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Adaptimmune Therapeutics (ADAP) Institutional Ownership

Adaptimmune Therapeutics logo
$0.06 +0.01 (+10.89%)
Closing price 09/12/2025 04:00 PM Eastern
Extended Trading
$0.06 +0.00 (+8.75%)
As of 09/12/2025 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Adaptimmune Therapeutics (NASDAQ:ADAP)

Current
Institutional Ownership
Percentage
31.37%
Number of
Institutional Buyers
(last 12 months)
17
Total
Institutional Inflows
(last 12 months)
$25.21M
Number of
Institutional Sellers
(last 12 months)
9
Total
Institutional Outflows
(last 12 months)
$5.79M
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ADAP Institutional Buying and Selling by Quarter

Adaptimmune Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2025 MPM Bioimpact LLC4,411,821$1.06M0.2%-9.9%1.665%
8/14/2025 MPM Asset Management LLC4,809,677$1.15M2.7%-9.9%1.815%
8/13/2025 Two Seas Capital LP22,580,701$5.41M0.1%+10.0%8.519%
8/11/2025 Empirical Finance LLC800,000$192K0.0%N/A0.302%
7/14/2025 Clear Harbor Asset Management LLC145,400$35K0.0%-39.6%0.055%
5/21/2025Acadian Asset Management LLC2,218,215$424K0.0%+334.8%0.862%
5/16/2025Two Seas Capital LP20,529,685$4.04M0.1%+38.4%7.981%
5/15/2025MPM Bioimpact LLC4,894,344$964K0.2%-4.0%1.903%
5/15/2025MPM Asset Management LLC5,335,715$1.05M1.5%-4.0%2.074%
5/15/2025Long Focus Capital Management LLC23,756,687$4.68M0.2%+15.9%9.236%
4/10/2025Key Client Fiduciary Advisors LLC150,150$30K0.0%-41.2%0.058%
2/18/2025Two Seas Capital LP14,835,146$7.99M0.6%N/A5.798%
2/17/2025Two Sigma Investments LP76,347$41K0.0%+33.5%0.030%
2/17/2025Two Sigma Advisers LP70,735$38K0.0%+492.0%0.028%
2/17/2025Bank of America Corp DE2,862,330$1.54M0.0%-38.5%1.119%
2/14/2025Jane Street Group LLC326,937$176K0.0%+87.7%0.128%
2/14/2025Two Seas Capital LP14,835,146$7.99M0.7%N/A5.798%
2/14/2025Long Focus Capital Management LLC20,494,393$11.04M0.4%+54.1%8.009%
2/14/2025Rock Springs Capital Management LP2,483,468$1.34M0.1%+2.4%0.971%
2/13/2025Renaissance Technologies LLC2,526,524$1.36M0.0%+52.5%0.987%
2/13/2025Invesco Ltd.63,335$34K0.0%+82.0%0.025%
2/12/2025JPMorgan Chase & Co.916,941$494K0.0%-12.3%0.358%
2/11/2025LPL Financial LLC183,479$99K0.0%+106.5%0.072%
2/11/2025Virtu Financial LLC122,696$66K0.0%+21.5%0.048%
1/31/2025Baillie Gifford & Co.11,819,095$6.37M0.0%-29.5%4.619%
11/20/2024Virtu Financial LLC101,008$96K0.0%+27.5%0.039%
11/15/2024Jane Street Group LLC174,157$166K0.0%+130.4%0.068%
11/15/2024Matrix Capital Management Company LP37,681,515$35.81M1.7%-3.3%14.734%
11/14/2024PFM Health Sciences LP10,000,787$9.51M0.5%-4.9%3.911%
11/13/2024FMR LLC1,740,900$1.66M0.0%+3.0%0.681%
11/5/2024Baillie Gifford & Co.16,775,860$15.94M0.0%+10.7%6.560%
11/5/2024GSA Capital Partners LLP99,662$95K0.0%N/A0.039%
10/29/2024Fullcircle Wealth LLC35,000$33K0.0%N/A0.014%
10/16/2024Vontobel Holding Ltd.43,000$41K0.0%+230.8%0.017%
8/15/2024Long Focus Capital Management LLC12,346,417$12.04M0.5%+15.6%5.002%
8/14/2024Marshall Wace LLP144,880$141K0.0%-43.0%0.059%
8/9/2024Renaissance Technologies LLC1,786,341$1.74M0.0%+28.3%0.724%
7/25/2024Baillie Gifford & Co.15,149,203$14.77M0.0%-4.6%6.138%
5/15/2024Baker BROS. Advisors LP10,787,022$17.04M0.2%-1.7%4.370%
5/14/2024Boulder Hill Capital Management LP90,800$143K0.1%N/A0.037%
5/3/2024GSA Capital Partners LLP370,179$585K0.0%-27.2%0.150%
5/1/2024Baillie Gifford & Co.15,871,875$25.08M0.0%-0.3%6.431%
4/19/2024JTC Employer Solutions Trustee Ltd26,156$41K0.0%N/A0.003%
4/15/2024Key Client Fiduciary Advisors LLC268,655$424K0.2%-20.2%0.027%
4/15/2024Columbia Advisory Partners LLC15,585$25K0.0%N/A0.002%
3/5/2024Twin Focus Capital Partners LLC55,526$44K0.0%N/A0.006%
1/26/2024Baillie Gifford & Co.15,912,140$12.62M0.0%-7.2%1.600%
1/9/2024Key Client Fiduciary Advisors LLC336,620$267K0.2%+6.4%0.034%
1/8/2024Harbor Capital Advisors Inc.147,732$117K0.0%+9.9%0.015%
11/13/2023Baillie Gifford & Co.17,147,409$13.38M0.0%-0.2%1.725%
10/27/2023Marquette Asset Management LLC99,349$77K0.0%N/A0.010%
10/27/2023Acuitas Investments LLC479,764$374K0.2%N/A0.048%
10/20/2023Harbor Capital Advisors Inc.134,415$105K0.0%+19.5%0.014%
9/21/2023Barclays PLC50,061$46K0.0%N/A0.005%
9/7/2023MPM Asset Management LLC6,287,101$5.82M2.9%N/A0.632%
8/15/2023Black Maple Capital Management LP69,839$65K0.0%N/A0.007%
8/14/2023X Square Capital LLC26,771$25K0.0%N/A0.003%
8/14/2023CSS LLC IL90,702$84K0.0%N/A0.009%
8/11/2023Artal Group S.A.1,133,775$1.05M0.0%N/A0.114%
8/7/2023Acadian Asset Management LLC358,010$329K0.0%+15.1%0.036%
8/3/2023Oppenheimer & Co. Inc.68,171$63K0.0%N/A0.007%
7/28/2023Baillie Gifford & Co.17,176,135$15.89M0.0%+0.4%1.728%
7/11/2023Harbor Capital Advisors Inc.112,516$104K0.0%N/A0.073%
5/17/2023Long Focus Capital Management LLC5,435,439$5.93M0.3%+2.9%3.514%
5/12/2023Long Focus Capital Management LLC2,772,791$3.02M0.3%-47.5%1.793%
5/10/2023Simplify Asset Management Inc.150,000$164K0.0%N/A0.097%
5/3/2023Baillie Gifford & Co.17,112,002$18.65M0.0%-0.3%11.064%
5/1/2023Virtu Financial LLC88,234$96K0.0%+193.1%0.057%
4/25/2023Key Client Fiduciary Advisors LLC321,155$350K0.2%+8.2%0.208%
2/15/2023Endurant Capital Management LP1,733,236$2.53M1.0%-3.1%1.058%
2/14/2023Susquehanna International Group LLP28,126$41K0.0%N/A0.017%
2/9/2023HBK Sorce Advisory LLC70,000$65K0.0%+100.0%0.043%
1/17/2023Key Client Fiduciary Advisors LLC296,740$433K0.3%-31.9%0.181%
1/11/2023Vigilare Wealth Management28,800$42K0.0%-21.7%0.018%
11/15/2022PFM Health Sciences LP9,320,584$10.02M0.4%+2.3%5.689%
11/15/2022Long Focus Capital Management LLC4,789,490$5.15M0.5%+2.4%2.923%
11/15/2022Endurant Capital Management LP1,788,517$1.92M0.6%-1.9%1.092%
11/14/2022HBK Sorce Advisory LLC35,000$32K0.0%N/A0.021%
11/10/2022ExodusPoint Capital Management LP370,288$398K0.0%+23.4%0.227%
11/7/2022Virtu Financial LLC40,503$44K0.0%+133.7%0.025%
11/3/2022Barclays PLC340,068$366K0.0%+34.6%0.208%
10/27/2022Baillie Gifford & Co.14,664,936$15.76M0.0%-4.3%8.977%
10/12/2022Key Client Fiduciary Advisors LLC435,985$469K0.4%+4.8%0.267%
8/12/2022Rafferty Asset Management LLC217,123$369K0.0%-59.5%0.134%
8/11/2022Alps Advisors Inc.96,110$163K0.0%N/A0.059%
8/10/2022Hunter Associates Investment Management LLC28,500$49K0.0%+42.5%0.018%
8/8/2022Baillie Gifford & Co.15,321,346$26.05M0.0%-0.4%9.457%
7/11/2022Vigilare Wealth Management41,800$71K0.1%N/A0.026%
5/17/2022Endurant Capital Management LP2,160,890$4.45M1.2%+140.7%1.335%
5/16/2022Eversept Partners LP237,086$488K0.0%-32.0%0.151%
5/11/2022GSA Capital Partners LLP69,612$143K0.0%-17.3%0.044%
5/5/2022Baillie Gifford & Co.15,380,538$31.68M0.0%+11.8%9.805%
5/5/2022Levy Wealth Management Group LLC17,590$36K0.0%N/A0.011%
4/29/2022Daiwa Securities Group Inc.35,516$73K0.0%+44.9%0.023%
4/26/2022Hunter Associates Investment Management LLC20,000$41K0.0%+81.8%0.013%
4/21/2022Inspire Investing LLC31,928$66K0.0%+107.4%0.020%
4/21/2022Inspire Advisors LLC45,105$93K0.0%+193.0%0.029%
4/18/2022Key Client Fiduciary Advisors LLC420,447$866K0.7%+58.0%0.268%
2/14/2022Long Focus Capital Management LLC2,162,313$8.11M1.1%N/A1.384%
2/14/2022Point72 Asset Management L.P.565,208$2.12M0.0%+640.8%0.362%
(Data available from 1/1/2016 forward)

ADAP Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ADAP shares?

During the previous two years, 35 institutional investors and hedge funds held shares of Adaptimmune Therapeutics. The most heavily invested institutionals were Matrix Capital Management Company LP ($35.81M), Baker BROS. Advisors LP ($17.04M), PFM Health Sciences LP ($9.51M), Baillie Gifford & Co. ($6.37M), Two Seas Capital LP ($5.41M), Long Focus Capital Management LLC ($4.68M), and FMR LLC ($1.66M).Learn more on Adaptimmune Therapeutics' institutional investors.

What percentage of Adaptimmune Therapeutics' stock is owned by institutional investors?

31.37% of Adaptimmune Therapeutics' stock is owned by institutional investors. Learn more on ADAP's institutional investor holdings.

Which institutional investors have been buying Adaptimmune Therapeutics' stock?

Of the 26 institutional investors that purchased Adaptimmune Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Two Seas Capital LP ($37.42M), Long Focus Capital Management LLC ($12.12M), Acadian Asset Management LLC ($1.71M), Baillie Gifford & Co. ($1.63M), Renaissance Technologies LLC ($1.26M), Empirical Finance LLC ($800K), and Acuitas Investments LLC ($479.76K).

How much institutional buying is happening at Adaptimmune Therapeutics?

Institutional investors have bought a total of 53,646,230 shares in the last 24 months. This purchase volume represents approximately $25.21M in transactions.

Which of Adaptimmune Therapeutics' major shareholders have been selling company stock?

Of the 9 institutional investors that sold Adaptimmune Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Baillie Gifford & Co. ($4.96M), Bank of America Corp DE ($1.79M), Matrix Capital Management Company LP ($1.29M), MPM Asset Management LLC ($745.78K), MPM Bioimpact LLC ($684.09K), PFM Health Sciences LP ($519.44K), and JPMorgan Chase & Co. ($128.59K).

How much institutional selling is happening at Adaptimmune Therapeutics?

Institutional investors have sold a total of 10,318,875 shares in the last 24 months. This volume of shares sold represents approximately $5.79M in transactions.


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This page (NASDAQ:ADAP) was last updated on 9/13/2025 by MarketBeat.com Staff
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