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Generation Bio (GBIO) Institutional Ownership

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$4.20 -0.13 (-3.00%)
Closing price 04:00 PM Eastern
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$4.22 +0.02 (+0.60%)
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Institutional Ownership Changes (13F Filings) for Generation Bio (NASDAQ:GBIO)

Current
Institutional Ownership
Percentage
95.22%
Number of
Institutional Buyers
(last 12 months)
25
Total
Institutional Inflows
(last 12 months)
$90.03M
Number of
Institutional Sellers
(last 12 months)
17
Total
Institutional Outflows
(last 12 months)
$25.32M
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GBIO Institutional Buying and Selling by Quarter

Generation Bio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/27/2025Goldman Sachs Group Inc.1,086,098$440K0.0%-10.1%1.620%
5/21/2025Acadian Asset Management LLC1,159,135$468K0.0%+54.3%1.729%
5/16/2025Goldman Sachs Group Inc.1,086,098$440K0.0%-10.1%1.620%
5/16/2025Jacobs Levy Equity Management Inc.182,005$74K0.0%-41.6%0.272%
5/16/2025AQR Capital Management LLC89,014$36K0.0%N/A0.133%
5/12/2025Nuveen LLC169,265$69K0.0%N/A0.253%
5/9/2025Deutsche Bank AG108,771$45K0.0%-40.9%0.162%
5/8/2025Jefferies Financial Group Inc.173,659$70K0.0%-92.3%0.259%
4/22/2025 EWA LLC92,901$38K0.0%N/A0.139%
3/7/2025Aegis Wealth Management LLC88,890$94K0.1%N/A0.133%
2/27/2025Jefferies Financial Group Inc.2,261,817$2.40M0.0%N/A3.386%
2/17/2025Squarepoint Ops LLC65,628$70K0.0%N/A0.098%
2/17/2025Two Sigma Investments LP120,403$128K0.0%-19.7%0.180%
2/17/2025Two Sigma Advisers LP194,400$206K0.0%-10.5%0.291%
2/17/2025Millennium Management LLC91,578$97K0.0%N/A0.137%
2/17/2025Jacobs Levy Equity Management Inc.311,535$330K0.0%+13.9%0.466%
2/17/2025Jefferies Financial Group Inc.2,261,817$2.40M0.0%N/A3.386%
2/17/2025Deutsche Bank AG184,173$195K0.0%+688.7%0.276%
2/17/2025D. E. Shaw & Co. Inc.344,922$366K0.0%-29.3%0.516%
2/17/2025Bridgeway Capital Management LLC246,800$262K0.0%-23.8%0.370%
2/14/2025The Manufacturers Life Insurance Company145,094$154K0.0%-11.5%0.217%
2/14/2025Integrated Wealth Concepts LLC72,720$77K0.0%N/A0.109%
2/14/2025Price T Rowe Associates Inc. MD9,279,059$9.84M0.0%-0.8%13.893%
2/14/2025Dimensional Fund Advisors LP396,237$420K0.0%-10.2%0.593%
2/13/2025Renaissance Technologies LLC962,959$1.02M0.0%+62.0%1.442%
2/12/2025JPMorgan Chase & Co.297,705$316K0.0%+74.9%0.446%
2/11/2025Intech Investment Management LLC23,337$25K0.0%N/A0.035%
2/6/2025Charles Schwab Investment Management Inc.367,026$389K0.0%-13.3%0.550%
2/4/2025Los Angeles Capital Management LLC245,927$261K0.0%-16.8%0.368%
11/19/2024Barclays PLC76,430$189K0.0%+165.5%0.114%
11/15/2024Barclays PLC76,430$189K0.0%+165.5%0.114%
11/15/2024XTX Topco Ltd17,922$44K0.0%-86.5%0.027%
11/15/2024Jane Street Group LLC34,783$86K0.0%-29.9%0.052%
11/15/2024State Street Corp992,188$2.45M0.0%+1.2%1.486%
11/15/2024Jacobs Levy Equity Management Inc.273,445$675K0.0%-9.2%0.409%
11/15/2024Baker BROS. Advisors LP1,944,945$4.80M0.0%+61.1%2.912%
11/13/2024FMR LLC5,320,266$13.14M0.0%+0.3%7.966%
11/12/2024Charles Schwab Investment Management Inc.423,299$1.05M0.0%+2.1%0.634%
11/6/2024Cornercap Investment Counsel Inc.28,995$72K0.0%-49.5%0.043%
11/4/2024Los Angeles Capital Management LLC295,727$730K0.0%-13.5%0.443%
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10/3/2024SG Americas Securities LLC17,067$42K0.0%N/A0.026%
9/16/2024Cubist Systematic Strategies LLC19,046$54K0.0%+91.0%0.029%
8/15/2024The Manufacturers Life Insurance Company164,573$464K0.0%+8.7%0.247%
8/14/2024Cubist Systematic Strategies LLC19,046$54K0.0%+91.0%0.029%
8/12/2024XTX Topco Ltd132,716$374K0.0%-20.2%0.199%
8/9/2024Renaissance Technologies LLC636,400$1.80M0.0%-4.2%0.957%
8/9/2024Dimensional Fund Advisors LP485,396$1.37M0.0%-3.7%0.730%
8/8/2024Cornercap Investment Counsel Inc.57,424$162K0.0%-22.6%0.086%
8/8/2024American Century Companies Inc.31,786$90K0.0%+199.3%0.048%
8/6/2024Acadian Asset Management LLC594,569$1.68M0.0%+23.9%0.894%
8/6/2024Los Angeles Capital Management LLC341,861$964K0.0%-10.4%0.514%
8/1/2024Rhumbline Advisers78,903$222K0.0%+7.4%0.119%
7/26/2024Bank of New York Mellon Corp186,756$527K0.0%+31.2%0.281%
5/17/2024Artal Group S.A.2,830,591$11.52M0.3%+0.6%4.255%
5/16/2024Jacobs Levy Equity Management Inc.32,352$132K0.0%-63.5%0.049%
5/15/2024Baker BROS. Advisors LP371,219$1.51M0.0%N/A0.558%
5/15/2024Yiheng Capital Management L.P.191,530$780K0.0%N/A0.288%
5/15/2024Bellevue Group AG3,861,575$15.72M0.2%+6.8%5.808%
5/15/2024Price T Rowe Associates Inc. MD8,878,361$36.14M0.0%+28.2%13.353%
5/10/2024Acadian Asset Management LLC479,835$1.95M0.0%+113.9%0.722%
5/10/2024Vanguard Group Inc.2,570,456$10.46M0.0%+0.7%3.866%
5/7/2024PFG Advisors10,000$41K0.0%N/A0.015%
5/7/2024SG Americas Securities LLC16,626$68K0.0%-65.7%0.025%
5/1/2024 Mirae Asset Global Investments Co. Ltd.18,259$74K0.0%N/A0.027%
4/5/2024Los Angeles Capital Management LLC381,661$1.55M0.0%+38.4%0.574%
2/15/2024PFM Health Sciences LP1,622,487$2.68M0.2%-35.5%2.455%
2/12/2024Weiss Asset Management LP81,630$135K0.0%N/A0.124%
2/8/2024Panagora Asset Management Inc.29,638$49K0.0%N/A0.045%
2/6/2024Los Angeles Capital Management LLC275,834$455K0.0%+315.6%0.417%
2/5/2024Kestra Private Wealth Services LLC30,500$50K0.0%N/A0.046%
1/12/2024SG Americas Securities LLC48,470$80K0.0%+260.9%0.073%
11/13/2023FMR LLC8,432,773$31.96M0.0%-2.2%12.790%
10/27/2023TD Asset Management Inc406,598$1.54M0.0%+72.1%0.617%
10/13/2023SG Americas Securities LLC13,430$51K0.0%N/A0.020%
9/21/2023Barclays PLC17,395$95K0.0%-42.4%0.026%
8/11/2023SVB Financial Group27,882$153K0.3%-31.0%0.042%
8/11/2023Sectoral Asset Management Inc.356,740$1.96M0.3%-7.4%0.541%
8/9/2023TD Asset Management Inc236,255$1.30M0.0%+2.1%0.358%
8/3/2023Innovis Asset Management LLC10,022$55K0.0%-49.6%0.015%
7/24/2023Vontobel Holding Ltd.356,740$1.96M0.0%-7.4%0.543%
5/15/2023EcoR1 Capital LLC1,956,579$8.41M0.3%N/A3.279%
5/12/2023Sectoral Asset Management Inc.385,070$1.66M0.3%+40.6%0.645%
5/9/2023Y Intercept Hong Kong Ltd10,836$47K0.0%N/A0.018%
4/28/2023SG Americas Securities LLC12,699$55K0.0%-25.5%0.021%
4/12/2023Vontobel Holding Ltd.385,070$1.66M0.0%+40.6%0.645%
2/13/2023 GSA Capital Partners LLP86,154$339K0.0%+3.9%0.145%
2/10/2023Connor Clark & Lunn Investment Management Ltd.10,003$39K0.0%N/A0.017%
2/10/2023Sectoral Asset Management Inc.273,787$1.08M0.2%N/A0.461%
2/10/2023Cheyne Capital Management UK LLP51,126$201K0.4%N/A0.086%
2/9/2023Denali Advisors LLC10,600$42K0.0%+43.2%0.018%
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2/8/2023Swiss National Bank106,800$420K0.0%+6.1%0.180%
2/2/2023Nisa Investment Advisors LLC46,700$184K0.0%+29.0%0.079%
11/15/2022PFM Health Sciences LP3,013,712$16.00M0.6%+8.7%5.072%
11/15/2022Farallon Capital Management LLC2,500,000$13.28M0.1%-13.7%4.207%
11/15/2022BVF Inc. IL361,824$1.92M0.1%-76.7%0.609%
11/14/2022PDT Partners LLC40,607$216K0.0%-30.2%0.068%
11/10/2022UBS Group AG371,942$1.98M0.0%+3,591.0%0.626%
11/9/2022Massachusetts Financial Services Co. MA25,678$136K0.0%N/A0.044%
11/7/2022Nisa Investment Advisors LLC36,200$191K0.0%-5.2%0.061%
11/7/2022TD Asset Management Inc.231,461$1.18M0.0%+10.2%0.392%
(Data available from 1/1/2016 forward)

GBIO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of GBIO shares?

During the previous two years, 51 institutional investors and hedge funds held shares of Generation Bio. The most heavily invested institutionals were Bellevue Group AG ($15.72M), FMR LLC ($13.14M), Artal Group S.A. ($11.52M), Vanguard Group Inc. ($10.46M), Price T Rowe Associates Inc. MD ($9.84M), Baker BROS. Advisors LP ($4.80M), and PFM Health Sciences LP ($2.68M).Learn more on Generation Bio's institutional investors.

What percentage of Generation Bio's stock is owned by institutional investors?

95.22% of Generation Bio's stock is owned by institutional investors. Learn more on GBIO's institutional investor holdings.

Which institutional investors have been buying Generation Bio's stock?

Of the 37 institutional investors that purchased Generation Bio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Jefferies Financial Group Inc. ($4.52M), Price T Rowe Associates Inc. MD ($1.95M), Baker BROS. Advisors LP ($1.11M), Acadian Asset Management LLC ($778.05K), Renaissance Technologies LLC ($368.66K), Los Angeles Capital Management LLC ($315.29K), and Bellevue Group AG ($244.50K).

How much institutional buying is happening at Generation Bio?

Institutional investors have bought a total of 7,423,207 shares in the last 24 months. This purchase volume represents approximately $90.03M in transactions.

Which of Generation Bio's major shareholders have been selling company stock?

Of the 17 institutional investors that sold Generation Bio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Jefferies Financial Group Inc. ($2.09M), Goldman Sachs Group Inc. ($244.34K), Jacobs Levy Equity Management Inc. ($157.14K), XTX Topco Ltd ($148.29K), D. E. Shaw & Co. Inc. ($143.23K), Los Angeles Capital Management LLC ($135.73K), and Bridgeway Capital Management LLC ($77.20K).

How much institutional selling is happening at Generation Bio?

Institutional investors have sold a total of 3,421,215 shares in the last 24 months. This volume of shares sold represents approximately $25.32M in transactions.


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This page (NASDAQ:GBIO) was last updated on 7/24/2025 by MarketBeat.com Staff
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