Vault-13

FOGHORN THERAPEUTICS INC FHTX

COM · Common Stock · CUSIP 344174107

103 institutional holders -2 vs Q1 2026
44,916,69144.9m shares reported held*
75.6% of all shares outstanding*
$219.2mreported value*
14 new 40 added 26 reduced 14 sold out net bought ≈ $2.4m (+487.3k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($32.0k this quarter). Holder counts are more reliable. Shares outstanding: 59.4m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $4.88. Options: 1 managers hold calls ($488 notional), 0 hold puts (—).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 62Q4 22: 66Q1 23: 62Q2 23: 60Q3 23: 62Q4 23: 60Q1 24: 70Q2 24: 73Q3 24: 80Q4 24: 88Q1 25: 91Q2 25: 83Q3 25: 88Q4 25: 93Q1 26: 105Q2 26: 103103Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202262
Q4 202266
Q1 202362
Q2 202360
Q3 202362
Q4 202360
Q1 202470
Q2 202473
Q3 202480
Q4 202488
Q1 202591
Q2 202583
Q3 202588
Q4 202593
Q1 2026105
Q2 2026103

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 39 bought or addedQ3 24: 25 cut or sold outQ4 24: 42 bought or addedQ4 24: 20 cut or sold outQ4 24Q1 25: 34 bought or addedQ1 25: 34 cut or sold outQ2 25: 44 bought or addedQ2 25: 32 cut or sold outQ2 25Q3 25: 43 bought or addedQ3 25: 33 cut or sold outQ4 25: 45 bought or addedQ4 25: 35 cut or sold outQ4 25Q1 26: 58 bought or addedQ1 26: 30 cut or sold outQ2 26: 54 bought or addedQ2 26: 40 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20243925
Q4 20244220
Q1 20253434
Q2 20254432
Q3 20254333
Q4 20254535
Q1 20265830
Q2 20265440

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$1k$2k$3k$4kQ3 25 calls: $2.0kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $540Q4 25 puts: $3.8kQ4 25P/C 7.00Q1 26 calls: $478Q1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $488Q2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$2.0k$00.00
Q4 2025$540$3.8k7.00
Q1 2026$478$00.00
Q2 2026$488$00.00

Biggest buyers

BlackRock, Inc. Added +261,966+262.0k
Qube Research & Technologies Ltd Added +122,018+122.0k
AMERIPRISE FINANCIAL INC Added +109,709+109.7k
B Group, Inc. Added +98,000+98.0k
Palumbo Wealth Management LLC New +91,739+91.7k
GEODE CAPITAL MANAGEMENT, LLC Added +62,694+62.7k
Lynx1 Capital Management LP New +61,588+61.6k
Invesco Ltd. Added +60,399+60.4k
PANAGORA ASSET MANAGEMENT INC Added +60,343+60.3k
VANGUARD PORTFOLIO MANAGEMENT LLC Added +48,501+48.5k

Biggest sellers

FMR LLC Reduced -341,240-341.2k
Sio Capital Management, LLC Sold out -122,889-122.9k
RAYMOND JAMES FINANCIAL INC Reduced -112,404-112.4k
UBS Group AG Reduced -64,604-64.6k
CITADEL ADVISORS LLC Reduced -41,191-41.2k
Walleye Capital LLC Sold out -34,445-34.4k
BANK OF AMERICA CORP /DE/ Reduced -33,997-34.0k
Trexquant Investment LP Sold out -30,111-30.1k
RENAISSANCE TECHNOLOGIES LLC Reduced -28,489-28.5k
Point72 Asset Management, L.P. Sold out -27,646-27.6k

Biggest calls

SIMPLEX TRADING, LLC Unchanged $488100 shares

Biggest puts

None

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Flagship Ventures Fund V, L.P. 13D · may seek influence filed 2026-01-13 27.2% 20.8m≈ $86.7m 2026-01-13
BIOTECHNOLOGY VALUE FUND L P 13G · passive investor +4.3 pts · filed 2026-10-05 14.3% +4.3 pts 8.5m≈ $41.5m 2026-10-05
FMR LLC 13G · institution +1.4 pts · filed 2026-05-06 11.6% +1.4 pts 6.8m≈ $33.1m 2026-05-06
Flynn James E 13G · passive investor filed 2026-05-14 8.6% 5.1m≈ $25.1m 2026-05-14

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Flagship Pioneering, LLC 4.02% of their portfolio CAMBRIDGE, MA 12,674,12012.7m $61.8m $61.8m 4.02% Unchanged
2 BVF INC/IL 0.73% of their portfolio San Francisco, CA 5,842,0005.8m $28.5m $28.5m 0.73% Unchanged
3 FMR LLC 0.00% of their portfolio BOSTON, MA 5,705,9585.7m $27.8m $27.8m 0.00% Reduced -341.2k -341,240
4 DEERFIELD MANAGEMENT COMPANY, L.P. 0.22% of their portfolio New York, NY 4,394,3674.4m $21.4m $21.4m 0.22% Unchanged
5 BlackRock, Inc. 0.00% of their portfolio New York, NY 2,626,8322.6m $12.8m $12.8m 0.00% Added +262.0k +261,966
6 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 2,489,9782.5m $12.2m $12.2m 0.00% Reduced -112.4k -112,404
7 Euclidean Capital LLC 1.75% of their portfolio NEW YORK, NY 1,573,7611.6m $7.7m $7.7m 1.75% Unchanged
8 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 1,494,6111.5m $7.3m $7.3m 0.00% Reduced -478 -478
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 910,866910.9k $4.4m $4.4m 0.00% Added +62.7k +62,694
10 Siren, L.L.C. 0.07% of their portfolio New York, NY 720,720720.7k $3.5m $3.5m 0.07% Unchanged
11 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 697,469697.5k $3.4m $3.4m 0.00% Added +17.7k +17,682
12 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 558,685558.7k $2.7m $2.7m 0.00% Added +109.7k +109,709
13 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 377,936377.9k $1.8m $1.8m 0.00% Reduced -28.5k -28,489
14 Candriam S.C.A. 0.01% of their portfolio STRASSEN, N4 313,765313.8k $1.5m $1.5m 0.01% Unchanged
15 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 309,775309.8k $1.5m $1.5m 0.00% Added +33.9k +33,900
16 JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio FLORHAM PARK, NJ 305,434305.4k $1.5m $1.5m 0.01% Added +1.7k +1,677
17 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 304,432304.4k $1.5m $1.5m 0.00% Added +48.5k +48,501
18 Birchview Capital, LP 0.64% of their portfolio BURLINGTON, VT 281,937281.9k $1.4m $1.4m 0.64% Added +207 +207
19 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 264,422264.4k $1.3m $1.3m 0.00% Added +23.8k +23,836
20 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 203,296203.3k $992.1k $992.1k 0.00% Added +122.0k +122,018
21 Woodline Partners LP 0.00% of their portfolio San Francisco, CA 202,145202.1k $986.5k $986.5k 0.00% Added +21.8k +21,812
22 B Group, Inc. 0.55% of their portfolio DALLAS, TX 200,000200.0k $976.0k $976.0k 0.55% Added +98.0k +98,000
23 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 175,406175.4k $856.0k $856.0k 0.00% Added +60.3k +60,343
24 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 164,256164.3k $801.6k $801.6k 0.00% Added +28.1k +28,148
25 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 158,822158.8k $775.1k $775.1k 0.00% Reduced -41.2k -41,191
26 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 130,346130.3k $636.1k $636.1k 0.00% Added +26.6k +26,603
27 DAFNA Capital Management LLC 0.10% of their portfolio LOS ANGELES, CA 111,859111.9k $545.9k $545.9k 0.10% Unchanged
28 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 109,781109.8k $535.7k $535.7k 0.00% Added +6.3k +6,256
29 SCS Capital Management LLC 0.00% of their portfolio BOSTON, MA 106,980107.0k $522.1k $522.1k 0.00% Unchanged
30 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 92,09692.1k $449.4k $449.4k 0.00% Reduced -6.4k -6,380
31 Palumbo Wealth Management LLC 0.09% of their portfolio GREAT NECK, NY 91,73991.7k $447.7k $447.7k 0.09% New
32 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 89,60089.6k $437.2k $437.2k 0.01% Added +15.0k +15,000
33 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 79,35579.4k $387.3k $387.3k 0.00% Reduced -204 -204
34 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 78,13578.1k $381.3k $381.3k 0.00% Added +60.4k +60,399
35 DIADEMA PARTNERS LP 0.12% of their portfolio MORRISTOWN, NJ 66,90866.9k $326.5k $326.5k 0.12% Reduced -13.0k -13,036
36 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 66,23966.2k $323.2k $323.2k 0.00% Added +33.7k +33,679
37 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 65,03965.0k $317.4k $317.4k 0.00% Added +14.7k +14,661
38 Lynx1 Capital Management LP 0.03% of their portfolio DORADO, PR 61,58861.6k $300.5k $300.5k 0.03% New
39 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 58,09458.1k $283.5k $283.5k 0.00% Reduced -7.6k -7,551
40 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 53,50953.5k $261.1k $261.1k 0.00% Added +24.0k +23,957
41 Verdad Advisers, LP 0.25% of their portfolio BOSTON, MA 53,23153.2k $259.8k $259.8k 0.25% Added +28.8k +28,815
42 Persistent Asset Partners Ltd 0.07% of their portfolio HONG KONG, K3 46,87246.9k $228.7k $228.7k 0.07% Added +228 +228
43 SILVERARC CAPITAL MANAGEMENT, LLC 0.02% of their portfolio BOSTON, MA 45,97546.0k $224.4k $224.4k 0.02% New
44 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 39,58239.6k $193.2k $193.2k 0.00% Added +77 +77
45 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 38,78438.8k $187.0k $187.0k 0.00% Added +1.2k +1,153
46 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 36,53736.5k $178.3k $178.3k 0.00% Added +9.1k +9,116
47 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 36,38336.4k $177.5k $177.5k 0.00% Added +22.6k +22,643
48 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 35,30135.3k $172.3k $172.3k 0.00% Added +20.6k +20,560
49 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 29,76029.8k $142.3k $142.3k 0.00% Added +3.1k +3,100
50 GSA CAPITAL PARTNERS LLP 0.01% of their portfolio LONDON, X0 29,50629.5k $144.0k $144.0k 0.01% New
51 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 26,10326.1k $127.4k $127.4k 0.00% Reduced -34.0k -33,997
52 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 25,10025.1k $122.5k $122.5k 0.00% Unchanged
53 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 24,47824.5k $120.0k $120.0k 0.00% Unchanged
54 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 20,43320.4k $99.3k $99.3k 0.00% Added +1.7k +1,748
55 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 19,18919.2k $93.6k $93.6k 0.00% Reduced -244 -244
56 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 18,54418.5k $90.5k $90.5k 0.00% Added +15.1k +15,129
57 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 16,82216.8k $82.1k $82.1k 0.00% Added +586 +586
58 EntryPoint Capital, LLC 0.02% of their portfolio NEW YORK, NY 15,48315.5k $75.6k $75.6k 0.02% New
59 DIVERSIFIED TRUST CO 0.00% of their portfolio MEMPHIS, TN 14,83014.8k $72.4k $72.4k 0.00% Added +4.0k +3,978
60 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 14,42914.4k $70.4k $70.4k 0.00% Added +11.5k +11,531
61 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 12,83312.8k $62.6k $62.6k 0.00% Unchanged
62 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 12,44512.4k $60.7k $60.7k 0.00% New
63 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 11,32611.3k $55.3k $55.3k 0.00% Unchanged
64 UBS Group AG 0.00% of their portfolio ZURICH, V8 11,23111.2k $54.8k $54.8k 0.00% Reduced -64.6k -64,604
65 Fiduciary Trust Co 0.00% of their portfolio Boston, MA 10,87910.9k $53.1k $53.1k 0.00% Unchanged
66 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 10,45610.5k $51.0k $51.0k 0.00% Reduced -2.4k -2,393
67 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 9,3449.3k $45.6k $45.6k 0.00% Reduced -1.1k -1,052
68 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 8,6008.6k $42.0k $42.0k 0.00% Unchanged
69 Evelyn Partners Group Ltd 0.00% of their portfolio LONDON, X0 7,1007.1k $34.6k $34.6k 0.00% First filing
70 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 3,3433.3k $16.3k $16.3k 0.00% Unchanged
71 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,2823.3k $16.0k $16.0k 0.00% Reduced -13 -13
72 Legal & General Group Plc 0.00% of their portfolio London, X0 2,9853.0k $14.6k $14.6k 0.00% Unchanged
73 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 2,8762.9k $14.0k $14.0k 0.00% Unchanged
74 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 2,6262.6k $12.8k $12.8k 0.00% Reduced -430 -430
75 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 2,2512.3k $11.0k $11.0k 0.00% Reduced -12.0k -12,018
76 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 1,8921.9k $9.2k $9.2k 0.00% Added +1.8k +1,826
77 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 1,8711.9k $9.1k $9.1k 0.00% Unchanged
78 GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio GUANGZHOU, F4 1,2411.2k $6.1k $6.1k 0.00% Reduced -22 -22
79 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 1,1361.1k $5.5k $5.5k 0.00% New
80 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,0971.1k $5.0k $5.0k 0.00% Added +1.1k +1,073
81 INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.00% of their portfolio ORLANDO, FL 1,0001.0k $5.0k $5.0k 0.00% New
82 TD Waterhouse Canada Inc. 0.00% of their portfolio TORONTO, A6 1,0001.0k $5.0k $5.0k 0.00% New
83 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 635635 $3.1k $3.1k 0.00% Reduced -229 -229
84 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 484484 $2.4k $2.4k 0.00% Reduced -1.3k -1,317
85 Bare Financial Services, Inc 0.00% of their portfolio GAP, PA 247247 $1.2k $1.2k 0.00% New
86 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 240240 $1.2k $1.2k 0.00% Added +143 +143
87 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 200200 $974 $974 0.00% Unchanged
88 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 181181 $883 $883 0.00% Added +99 +99
89 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 128128 $625 $625 0.00% Added +35 +35
90 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 128128 $625 $625 0.00% Reduced -360 -360
91 TFC Financial Management, Inc. 0.00% of their portfolio BOSTON, MA 123123 $601 $601 0.00% Unchanged
92 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 100100 $488 $488 0.00% Unchanged
93 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 8686 $420 $420 0.00% New
94 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 7878 $381 $381 0.00% Reduced -5.2k -5,160
95 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 6565 $317 $317 0.00% Added +56 +56
96 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 3535 $171 $171 0.00% Reduced -77 -77
97 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 3333 $161 $161 0.00% Reduced -1 -1
98 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 1717 $83 $83 0.00% New
99 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 1414 $69 $69 0.00% Reduced -6 -6
100 Clearstead Advisors, LLC 0.00% of their portfolio CLEVELAND, OH 99 $44 $44 0.00% New