GBIO Insider Trading

Insider Ownership Percentage: 20.70%
Insider Buying (Last 12 Months): $284,270.54
Insider Selling (Last 12 Months): $54,001.34

Generation Bio Insider Trading History Chart

This chart shows the insider buying and selling history at Generation Bio by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Generation Bio Share Price & Price History

Current Price: $5.22
Price Change: Price Decrease of -0.77 (-12.85%)
As of 12/5/2022 06:21 PM ET

This chart shows the closing price history over time for GBIO up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Generation Bio Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/27/2022Antoinette PaoneCOOSell2,914$5.03$14,657.42View SEC Filing Icon  
9/29/2022Antoinette PaoneCOOSell2,828$5.24$14,818.72View SEC Filing Icon  
9/19/2022Charles A Rowland JrDirectorBuy15,750$5.26$82,845.00191,797View SEC Filing Icon  
9/15/2022Antoinette PaoneCOOSell4,610$5.32$24,525.202,828View SEC Filing Icon  
9/15/2022Charles A Rowland JrDirectorBuy17,147$5.41$92,765.27142,566View SEC Filing Icon  
9/13/2022Charles A Rowland JrDirectorBuy18,784$5.20$97,676.80119,819View SEC Filing Icon  
3/9/2022Donald William NicholsonDirectorBuy2,293$4.79$10,983.47View SEC Filing Icon  
9/29/2021Jason P. RhodesDirectorSell16,586$24.59$407,849.74View SEC Filing Icon  
9/29/2021Venture Associates X L AtlasMajor ShareholderSell16,556$24.59$407,112.04View SEC Filing Icon  
9/27/2021Jason P. RhodesDirectorSell51,389$25.70$1,320,697.30View SEC Filing Icon  
9/27/2021Venture Associates X L AtlasMajor ShareholderSell51,294$25.70$1,318,255.80View SEC Filing Icon  
9/24/2021Jason P. RhodesDirectorSell28,916$25.84$747,189.44View SEC Filing Icon  
9/24/2021Venture Associates X L AtlasMajor ShareholderSell28,862$25.84$745,794.08View SEC Filing Icon  
9/22/2021Jason P. RhodesDirectorSell30,617$25.89$792,674.13View SEC Filing Icon  
9/22/2021Venture Associates X L AtlasMajor ShareholderSell30,560$25.89$791,198.40View SEC Filing Icon  
8/23/2021Matthew StantonInsiderSell1,500$25.04$37,560.00View SEC Filing Icon  
8/10/2021Matthew StantonInsiderSell1,500$22.63$33,945.00View SEC Filing Icon  
7/12/2021Matthew StantonInsiderSell3,000$25.03$75,090.00View SEC Filing Icon  
7/8/2021Douglas KerrInsiderSell3,518$25.20$88,653.60330,076View SEC Filing Icon  
6/23/2021Jason P. RhodesDirectorSell62,609$25.36$1,587,764.24View SEC Filing Icon  
6/23/2021Venture Associates X L AtlasMajor ShareholderSell62,493$25.36$1,584,822.48View SEC Filing Icon  
6/21/2021Jason P. RhodesDirectorSell63,892$24.84$1,587,077.28View SEC Filing Icon  
6/21/2021Venture Associates X L AtlasMajor ShareholderSell63,774$24.84$1,584,146.16View SEC Filing Icon  
6/15/2021Matthew StantonInsiderSell1,500$28.08$42,120.00199,654View SEC Filing Icon  
6/10/2021Matthew StantonInsiderSell6,000$27.23$163,380.00204,154View SEC Filing Icon  
5/27/2021Matthew StantonInsiderSell1,500$34.05$51,075.00199,654View SEC Filing Icon  
5/11/2021Matthew StantonInsiderSell400$31.05$12,420.00206,754View SEC Filing Icon  
4/23/2021Geoff McDonoughCEOSell10,000$35.10$351,000.001,184,080View SEC Filing Icon  
4/22/2021Matthew StantonInsiderSell3,000$32.55$97,650.00
4/16/2021Matthew StantonInsiderSell1,500$28.03$42,045.00199,654View SEC Filing Icon  
4/14/2021Jason P. RhodesDirectorSell23,413$26.61$623,019.93View SEC Filing Icon  
4/13/2021Venture Associates X L AtlasMajor ShareholderSell43,145$25.16$1,085,528.20View SEC Filing Icon  
4/12/2021Jason P. RhodesDirectorSell74,124$26.15$1,938,342.60View SEC Filing Icon  
4/12/2021Matthew StantonInsiderSell6,000$26.24$157,440.00204,154View SEC Filing Icon  
4/9/2021Venture Associates X L AtlasMajor ShareholderSell43,681$27.61$1,206,032.41View SEC Filing Icon  
4/8/2021Jason P. RhodesDirectorSell43,550$28.50$1,241,175.00View SEC Filing Icon  
4/7/2021Venture Associates X L AtlasMajor ShareholderSell39,864$28.51$1,136,522.64View SEC Filing Icon  
4/5/2021Douglas KerrInsiderSell14,072$30.09$423,426.48340,630View SEC Filing Icon  
3/10/2021Matthew StantonInsiderSell10,500$34.97$367,185.00208,654View SEC Filing Icon  
1/14/2021Matthew StantonInsiderSell5,630$32.54$183,200.20203,784View SEC Filing Icon  
1/11/2021Donald William NicholsonDirectorBuy4,081$24.50$99,984.50103,157View SEC Filing Icon  
1/11/2021Douglas KerrInsiderSell11,267$27.58$310,743.86337,825View SEC Filing Icon  
12/10/2020Matthew StantonInsiderSell10,540$37.62$396,514.80208,694View SEC Filing Icon  
6/16/2020James E FlynnInsiderBuy225,000$19.00$4,275,000.00
See Full Table

SEC Filings (Institutional Ownership Changes) for Generation Bio (NASDAQ:GBIO)

93.89% of Generation Bio stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at GBIO by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Generation Bio Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/15/2022Alliancebernstein L.P.53,006$0.28M0.0%+5.8%0.089%Search for SEC Filing on Google Icon
11/15/2022State Street Corp918,491$4.88M0.0%+0.4%1.546%Search for SEC Filing on Google Icon
11/15/2022Public Employees Retirement System of Ohio13,500$72K0.0%N/A0.023%Search for SEC Filing on Google Icon
11/15/2022Jacobs Levy Equity Management Inc.146,267$0.78M0.0%+302.5%0.246%Search for SEC Filing on Google Icon
11/15/2022Algert Global LLC27,746$0.15M0.0%N/A0.047%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Advisers LP37,200$0.20M0.0%+78.8%0.063%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Investments LP31,567$0.17M0.0%+163.1%0.053%Search for SEC Filing on Google Icon
11/15/2022Trexquant Investment LP32,905$0.18M0.0%N/A0.055%Search for SEC Filing on Google Icon
11/15/2022Vanguard Group Inc.2,218,522$11.78M0.0%+0.4%3.733%Search for SEC Filing on Google Icon
11/15/2022PFM Health Sciences LP3,013,712$16M0.6%+8.7%5.072%Search for SEC Filing on Google Icon
11/15/2022Price T Rowe Associates Inc. MD7,395,573$39.27M0.0%-17.2%12.446%Search for SEC Filing on Google Icon
11/15/2022Farallon Capital Management LLC2,500,000$13.28M0.1%-13.7%4.207%Search for SEC Filing on Google Icon
11/15/2022BVF Inc. IL361,824$1.92M0.1%-76.7%0.609%Search for SEC Filing on Google Icon
11/15/2022Bank of New York Mellon Corp165,415$0.88M0.0%+13.3%0.278%Search for SEC Filing on Google Icon
11/15/2022BlackRock Inc.3,616,045$19.20M0.0%+3.3%6.086%Search for SEC Filing on Google Icon
11/15/2022Citadel Advisors LLC21,482$0.11M0.0%-60.7%0.036%Search for SEC Filing on Google Icon
11/14/2022PDT Partners LLC40,607$0.22M0.0%-30.2%0.068%Search for SEC Filing on Google Icon
11/14/2022Renaissance Technologies LLC290,200$1.54M0.0%+1.1%0.488%Search for SEC Filing on Google Icon
11/14/2022Nuveen Asset Management LLC358,648$1.91M0.0%+14.6%0.604%Search for SEC Filing on Google Icon
11/10/2022Dimensional Fund Advisors LP332,973$1.77M0.0%+159.8%0.560%Search for SEC Filing on Google Icon
11/10/2022Tower Research Capital LLC TRC 6,178$33K0.0%-42.4%0.010%Search for SEC Filing on Google Icon
11/10/2022UBS Group AG371,942$1.98M0.0%+3,591.0%0.626%Search for SEC Filing on Google Icon
11/9/2022Massachusetts Financial Services Co. MA25,678$0.14M0.0%N/A0.044%Search for SEC Filing on Google Icon
11/7/2022Nisa Investment Advisors LLC36,200$0.19M0.0%-5.2%0.061%Search for SEC Filing on Google Icon
11/7/2022TD Asset Management Inc.231,461$1.18M0.0%+10.2%0.392%Search for SEC Filing on Google Icon
11/7/2022ProShare Advisors LLC10,251$54K0.0%N/A0.017%Search for SEC Filing on Google Icon
11/4/2022Russell Investments Group Ltd.23,196$0.12M0.0%N/A0.039%Search for SEC Filing on Google Icon
11/3/2022Teacher Retirement System of Texas14,078$75K0.0%N/A0.024%Search for SEC Filing on Google Icon
10/31/2022SG Americas Securities LLC15,764$84K0.0%-12.6%0.027%Search for SEC Filing on Google Icon
10/25/2022Denali Advisors LLC7,400$39K0.0%N/A0.013%Search for SEC Filing on Google Icon
8/18/2022Goldman Sachs Group Inc.213,622$1.40M0.0%+4.1%0.362%Search for SEC Filing on Google Icon
8/16/2022Jane Street Group LLC47,628$0.31M0.0%+92.7%0.081%Search for SEC Filing on Google Icon
8/16/2022Price T Rowe Associates Inc. MD8,931,613$58.59M0.0%+1.9%15.136%Search for SEC Filing on Google Icon
8/16/2022Corton Capital Inc.15,493$0.10M0.1%N/A0.026%Search for SEC Filing on Google Icon
8/16/2022Delphia USA Inc.16,850$0.11M0.1%N/A0.029%Search for SEC Filing on Google Icon
8/15/2022State Street Corp914,928$6M0.0%+6.5%1.550%Search for SEC Filing on Google Icon
8/15/2022PDT Partners LLC58,164$0.38M0.0%-39.2%0.099%Search for SEC Filing on Google Icon
8/15/2022Cubist Systematic Strategies LLC21,027$0.14M0.0%N/A0.036%Search for SEC Filing on Google Icon
8/15/2022Citadel Advisors LLC54,639$0.36M0.0%+12.7%0.093%Search for SEC Filing on Google Icon
8/15/2022Millennium Management LLC70,560$0.46M0.0%N/A0.120%Search for SEC Filing on Google Icon
8/13/2022Quantbot Technologies LP4,592$30K0.0%-42.6%0.008%Search for SEC Filing on Google Icon
8/13/2022Renaissance Technologies LLC287,129$1.88M0.0%+296.0%0.487%Search for SEC Filing on Google Icon
8/12/2022Northern Trust Corp412,585$2.71M0.0%+2.1%0.699%Search for SEC Filing on Google Icon
8/12/2022Credit Suisse AG30,606$0.20M0.0%+15.6%0.052%Search for SEC Filing on Google Icon
8/12/2022FMR LLC8,562,941$56.17M0.0%+0.1%14.511%Search for SEC Filing on Google Icon
8/12/2022Rhumbline Advisers64,777$0.43M0.0%+46.7%0.110%Search for SEC Filing on Google Icon
8/11/2022Deutsche Bank AG148,196$0.97M0.0%-2.9%0.251%Search for SEC Filing on Google Icon
8/11/2022UBS Group AG10,077$66K0.0%+63.1%0.017%Search for SEC Filing on Google Icon
8/11/2022Martingale Asset Management L P74,310$0.49M0.0%-5.1%0.126%Search for SEC Filing on Google Icon
8/11/2022JPMorgan Chase & Co.644,256$4.23M0.0%-2.4%1.092%Search for SEC Filing on Google Icon
8/9/2022Swiss National Bank100,700$0.66M0.0%+15.2%0.171%Search for SEC Filing on Google Icon
8/5/2022Los Angeles Capital Management LLC65,332$0.43M0.0%-4.5%0.114%Search for SEC Filing on Google Icon
8/3/2022Nisa Investment Advisors LLC38,200$0.25M0.0%+10.1%0.067%Search for SEC Filing on Google Icon
7/29/2022SG Americas Securities LLC18,032$0.12M0.0%N/A0.032%Search for SEC Filing on Google Icon
7/28/2022Arizona State Retirement System11,586$76K0.0%N/A0.020%Search for SEC Filing on Google Icon
7/26/2022Mirae Asset Global Investments Co. Ltd.13,765$91K0.0%N/A0.024%Search for SEC Filing on Google Icon
6/30/2022Amalgamated Bank7,040$52K0.0%N/A0.012%Search for SEC Filing on Google Icon
6/7/2022Bank of America Corp DE21,945$0.16M0.0%-87.0%0.038%Search for SEC Filing on Google Icon
5/20/2022The Manufacturers Life Insurance Company 152,529$1.10M0.0%+555.8%0.267%Search for SEC Filing on Google Icon
5/17/2022Jane Street Group LLC24,715$0.18M0.0%-293.1%0.043%Search for SEC Filing on Google Icon
5/17/2022Quantbot Technologies LP8,000$58K0.0%+2,566.7%0.014%Search for SEC Filing on Google Icon
5/17/2022Royal Bank of Canada9,043$67K0.0%-44.0%0.016%Search for SEC Filing on Google Icon
5/16/2022California State Teachers Retirement System50,354$0.37M0.0%-8.5%0.088%Search for SEC Filing on Google Icon
5/16/2022Goldman Sachs Group Inc.205,168$1.51M0.0%+189.0%0.359%Search for SEC Filing on Google Icon
5/16/2022PDT Partners LLC95,615$0.70M0.1%+159.5%0.167%Search for SEC Filing on Google Icon
5/16/2022State Street Corp858,936$6.31M0.0%-55.9%1.505%Search for SEC Filing on Google Icon
5/16/2022Prelude Capital Management LLC10,098$74K0.0%N/A0.018%Search for SEC Filing on Google Icon
5/16/2022UBS Group AG6,177$45K0.0%-94.3%0.011%Search for SEC Filing on Google Icon
5/13/2022Renaissance Technologies LLC72,500$0.53M0.0%-68.3%0.127%Search for SEC Filing on Google Icon
5/13/2022Bellevue Group AG3,682,180$27.03M0.3%-4.9%6.450%Search for SEC Filing on Google Icon
5/13/2022Northern Trust Corp404,176$2.97M0.0%-3.8%0.708%Search for SEC Filing on Google Icon
5/13/2022Charles Schwab Investment Management Inc.291,712$2.14M0.0%-8.4%0.511%Search for SEC Filing on Google Icon
5/13/2022Vanguard Group Inc.3,549,177$26.05M0.0%-1.3%6.217%Search for SEC Filing on Google Icon
5/13/2022Dimensional Fund Advisors LP124,736$0.92M0.0%-5.6%0.218%Search for SEC Filing on Google Icon
5/12/2022MetLife Investment Management LLC19,788$0.15M0.0%+476.7%0.035%Search for SEC Filing on Google Icon
5/12/2022Martingale Asset Management L P78,336$0.58M0.0%+336.3%0.137%Search for SEC Filing on Google Icon
5/12/2022Citigroup Inc.19,921$0.15M0.0%-82.3%0.035%Search for SEC Filing on Google Icon
5/11/2022Bank of New York Mellon Corp143,405$1.05M0.0%-76.4%0.251%Search for SEC Filing on Google Icon
5/11/2022JPMorgan Chase & Co.660,275$4.85M0.0%+17.5%1.157%Search for SEC Filing on Google Icon
5/10/2022ProShare Advisors LLC14,115$0.10M0.0%-19.6%0.025%Search for SEC Filing on Google Icon
5/10/2022TD Asset Management Inc.209,961$1.54M0.0%-11.6%0.368%Search for SEC Filing on Google Icon
5/9/2022Swiss National Bank87,400$0.64M0.0%+7.4%0.153%Search for SEC Filing on Google Icon
5/6/2022Los Angeles Capital Management LLC68,392$0.50M0.0%+221.6%0.120%Search for SEC Filing on Google Icon
5/5/2022New York State Common Retirement Fund17,268$0.13M0.0%-45.1%0.030%Search for SEC Filing on Google Icon
5/4/2022Victory Capital Management Inc.17,736$0.11M0.0%-81.6%0.031%Search for SEC Filing on Google Icon
4/29/2022Nisa Investment Advisors LLC34,700$0.26M0.0%+4,237.5%0.061%Search for SEC Filing on Google Icon
4/28/2022DekaBank Deutsche Girozentrale19,400$0.14M0.0%+10.2%0.034%Search for SEC Filing on Google Icon
4/21/2022Virginia Retirement Systems ET AL11,400$84K0.0%N/A0.020%Search for SEC Filing on Google Icon
3/3/2022Walleye Capital LLC62,139$0.44M0.0%N/A0.109%Search for SEC Filing on Google Icon
2/14/2022PDT Partners LLC36,843$0.26M0.0%N/A0.065%Search for SEC Filing on Google Icon
2/14/2022GSA Capital Partners LLP17,739$0.13M0.0%N/A0.031%Search for SEC Filing on Google Icon
2/10/2022Qube Research & Technologies Ltd23,503$0.17M0.0%N/A0.041%Search for SEC Filing on Google Icon
2/10/2022Rafferty Asset Management LLC114,516$0.81M0.0%+90.0%0.201%Search for SEC Filing on Google Icon
2/10/2022TD Asset Management Inc.237,621$1.68M0.0%+25.5%0.418%Search for SEC Filing on Google Icon
2/10/2022Bellevue Group AG3,872,180$27.42M0.3%+56.6%6.804%Search for SEC Filing on Google Icon
2/8/2022Northern Trust Corp420,184$2.98M0.0%-3.5%0.738%Search for SEC Filing on Google Icon
2/7/2022Victory Capital Management Inc.96,571$0.68M0.0%-92.4%0.170%Search for SEC Filing on Google Icon
2/1/2022Qube Research & Technologies Ltd23,503$0.17M0.0%N/A0.041%Search for SEC Filing on Google Icon
12/14/2021UBS Asset Management Americas Inc.25,159$0.63M0.0%+11.9%0.044%Search for SEC Filing on Google Icon
11/19/2021American International Group Inc.23,981$0.60M0.0%-2.3%0.042%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Generation Bio logo
Generation Bio Co., a genetic medicines company, develops therapies for the treatment of rare and prevalent diseases. The company provides a portfolio of programs, including programs for rare and prevalent diseases of the liver and retina. It also focuses on the diseases of skeletal muscle, central nervous system, and oncology. The company was formerly known as Torus Therapeutics, Inc. and changed its name to Generation Bio Co. in November 2017. Generation Bio Co. was incorporated in 2016 and is headquartered in Cambridge, Massachusetts.
Read More on Generation Bio

Today's Range

Now: $5.22
Low: $5.10
High: $5.88

50 Day Range

MA: $5.53
Low: $4.68
High: $6.49

52 Week Range

Now: $5.22
Low: $3.96
High: $16.11

Volume

137,338 shs

Average Volume

354,553 shs

Market Capitalization

$310.19 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.5

Who are the company insiders with the largest holdings of Generation Bio?

Generation Bio's top insider shareholders include:
  1. Geoff Mcdonough (CEO)
  2. Douglas Kerr (Insider)
  3. Matthew Stanton (Insider)
  4. Charles A Rowland Jr (Director)
  5. Donald William Nicholson (Director)
  6. Antoinette Paone (COO)
  7. Evan Spiegel (CEO)
  8. Jason P Rhodes (Director)
  9. Venture Associates X L Atlas (Major Shareholder)
Learn More about top insider investors at Generation Bio.

Who are the major institutional investors of Generation Bio?

Generation Bio's top institutional investors include:
  1. Price T Rowe Associates Inc. MD — 12.45%
  2. BlackRock Inc. — 6.09%
  3. PFM Health Sciences LP — 5.07%
  4. Farallon Capital Management LLC — 4.21%
  5. Vanguard Group Inc. — 3.73%
  6. State Street Corp — 1.55%
Learn More about top institutional investors of Generation Bio stock.

Which institutional investors are selling Generation Bio stock?

In the previous quarter, GBIO stock was sold by these institutional investors:
  1. Price T Rowe Associates Inc. MD
  2. BVF Inc. IL
  3. Farallon Capital Management LLC
  4. Citadel Advisors LLC
  5. PDT Partners LLC
  6. Tower Research Capital LLC TRC
  7. SG Americas Securities LLC
  8. Nisa Investment Advisors LLC

Which institutional investors are buying Generation Bio stock?

In the last quarter, GBIO stock was purchased by institutional investors including:
  1. UBS Group AG
  2. PFM Health Sciences LP
  3. Dimensional Fund Advisors LP
  4. BlackRock Inc.
  5. Jacobs Levy Equity Management Inc.
  6. Nuveen Asset Management LLC
  7. Trexquant Investment LP
  8. Algert Global LLC
In the last year, these company insiders have bought Generation Bio stock:
  1. Geoff Mcdonough (CEO)
  2. Douglas Kerr (Insider)
Learn More investors buying Generation Bio stock.