FHTX · Foghorn Therapeutics Inc. · Holdings

$2.07 +0.10 (+5.08%)

Russell 2000 member Rebalance outlook locked

Market Cap

$122.33M

59.39M

Volume · Oct 7 209.62K Avg daily vol (3M) 631.8K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

Quarter:

Holders: 102

Total Value: $219,224,923

Total Shares: 44,923,154

Showing 1–100 of 102 holdings by value · page 1 of 2

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 102 13F filers · Δ vs Mar 31, 2026

Top Holder

28.2%

−0.3 pts

Top 5

69.5%

−1.5 pts

Top 10

85.6%

−1.2 pts

HHI

1,326

Broadly held−44

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -3

Institutional value: +3.2%

Shares held: +1.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+261,966	2,626,832
Mega Qube Research & Technologies Ltd	+122,018	203,296
Mega AMERIPRISE FINANCIAL INC	+109,709	558,685
Small B Group, Inc.	+98,000	200,000
Mega GEODE CAPITAL MANAGEMENT, LLC	+62,694	910,866

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega FMR LLC	−341,240	5,705,958
Mega RAYMOND JAMES FINANCIAL INC	−112,404	2,489,978
Mega UBS Group AG	−64,604	11,231
Mega CITADEL ADVISORS LLC	−41,191	158,822
Mega BANK OF AMERICA CORP /DE/	−33,997	26,103

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Palumbo Wealth Management LLC	91,739	$447,686
Small Lynx1 Capital Management LP	61,588	$300,549
Small SILVERARC CAPITAL MANAGEMENT, LLC	45,975	$224,358
Mid GSA CAPITAL PARTNERS LLP	29,506	$143,989
Small EntryPoint Capital, LLC	15,483	$75,557

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small Sio Capital Management, LLC	122,889	$587,409
Large Walleye Capital LLC	34,445	$164,647
Large Trexquant Investment LP	30,111	$143,930
Large Point72 Asset Management, L.P.	27,646	$132,147
Mid ALGERT GLOBAL LLC	13,928	$66,575

Filter: New 14 Increased 40 Reduced 26 Sold out 17 Unchanged 22

Showing 100 of 102

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Flagship Pioneering, LLC

$61,849,705

28.21%

12,674,120

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Noubar Afeyan	12,674,120	$61,849,705	100.0%	Defined

BVF INC/IL

$28,508,960

13.00%

5,842,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BVF PARTNERS L P/IL	5,842,000	$28,508,960	100.0%	Defined

FMR LLC

$27,845,074

12.70%

5,705,958

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	2,981,880	$14,551,574	52.3%	Defined
FIDELITY MANAGEMENT TRUST CO	2,724,078	$13,293,500	47.7%	Defined

DEERFIELD MANAGEMENT COMPANY, L.P.

$21,444,510

9.78%

4,394,367

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Deerfield UGP, LLC	4,394,367	$21,444,510	100.0%	Defined

BlackRock, Inc.

$12,818,937

5.85%

2,626,832

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	11,316	$55,222	0.4%	Sole
BlackRock Asset Management Canada Ltd	366	$1,786	0.0%	Sole
BlackRock Investment Management, LLC	100,468	$490,283	3.8%	Sole
BLACKROCK ADVISORS LLC	73,182	$357,128	2.8%	Sole
BlackRock Fund Advisors	1,589,551	$7,757,008	60.5%	Sole
BlackRock Institutional Trust Company, N.A.	807,748	$3,941,810	30.7%	Sole
BlackRock Asset Management Ireland Ltd	43,305	$211,328	1.6%	Sole
Aperio Group, LLC	896	$4,372	0.0%	Sole

RAYMOND JAMES FINANCIAL INC

$12,151,092

5.54%

2,489,978

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	2,489,978	$12,151,092	100.0%	Defined

Euclidean Capital LLC

$7,679,953

3.50%

1,573,761

VANGUARD CAPITAL MANAGEMENT LLC

$7,293,701

3.33%

1,494,611

GEODE CAPITAL MANAGEMENT, LLC

$4,445,025

2.03%

910,866

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	135,513	$661,303	14.9%	Defined
Held directly	775,353	$3,783,722	85.1%	Defined

Siren, L.L.C.

$3,517,113

1.60%

720,720

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invus Group, LLC	720,720	$3,517,113	100.0%	Defined

STATE STREET CORP

$3,403,648

1.55%

697,469

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	697,469	$3,403,648	100.0%	Defined

AMERIPRISE FINANCIAL INC

$2,726,382

1.24%

558,685

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	558,685	$2,726,382	100.0%	Defined

RENAISSANCE TECHNOLOGIES LLC

$1,844,327

0.84%

377,936

Candriam S.C.A.

$1,531,173

0.70%

313,765

NORTHERN TRUST CORP

$1,511,700

0.69%

309,775

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	304,713	$1,486,998	98.4%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	5,062	$24,702	1.6%	Other

JACOBS LEVY EQUITY MANAGEMENT, INC

$1,490,517

0.68%

305,434

VANGUARD PORTFOLIO MANAGEMENT LLC

$1,485,628

0.68%

304,432

Birchview Capital, LP

$1,375,852

0.63%

281,937

VANGUARD FIDUCIARY TRUST CO

$1,290,379

0.59%

264,422

Qube Research & Technologies Ltd

$992,084

0.45%

203,296

Woodline Partners LP

$986,467

0.45%

202,145

B Group, Inc.

$976,000

0.45%

200,000

PANAGORA ASSET MANAGEMENT INC

$855,981

0.39%

175,406

GOLDMAN SACHS GROUP INC

$801,569

0.37%

164,256

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	44,424	$216,789	27.0%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	119,832	$584,780	73.0%	Defined

CITADEL ADVISORS LLC

$775,051

0.35%

158,822

Squarepoint Ops LLC

$636,088

0.29%

130,346

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	130,346	$636,088	100.0%	Defined

DAFNA Capital Management LLC

$545,871

0.25%

111,859

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$535,731

0.24%

109,781

SCS Capital Management LLC

$522,062

0.24%

106,980

MORGAN STANLEY

$449,424

0.21%

92,096

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	177	$863	0.2%	Defined
MORGAN STANLEY & CO. LLC	24,380	$118,974	26.5%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	9,993	$48,765	10.9%	Defined
MORGAN STANLEY SMITH BARNEY LLC	55,467	$270,678	60.2%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	2,079	$10,144	2.3%	Defined

Palumbo Wealth Management LLC

$447,686

0.20%

91,739

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$437,248

0.20%

89,600

Bank of New York Mellon Corp

$387,249

0.18%

79,355

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	22,417	$109,394	28.2%	Defined
The Bank of New York Mellon	54,067	$263,846	68.1%	Defined
BNY Mellon, NA joint	2,870	$14,005	3.6%	Defined
Held directly	1	$4	0.0%	Defined

Invesco Ltd.

$381,298

0.17%

78,135

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	5,271	$25,722	6.7%	Defined
Invesco Trust Co joint	14,441	$70,472	18.5%	Defined
Invesco Capital Management LLC	58,423	$285,104	74.8%	Defined

DIADEMA PARTNERS LP

$326,511

0.15%

66,908

AQR CAPITAL MANAGEMENT LLC

$323,242

0.15%

66,239

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	2	$9	0.0%	Other
Prism Planning Partners LLC	143	$697	0.2%	Other
Arax Advisory Partners	1,047	$5,109	1.6%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	277	$1,351	0.4%	Other
Stokes Family Office, LLC	102	$497	0.2%	Other
Held directly	64,668	$315,579	97.6%	Defined

Nuveen, LLC

$317,389

0.14%

65,039

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	1,305	$6,368	2.0%	Defined
TEACHERS ADVISORS, LLC joint	63,734	$311,021	98.0%	Defined

Lynx1 Capital Management LP

$300,549

0.14%

61,588

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Lynx1 Capital Advisors LLC	61,588	$300,549	100.0%	Other

STATE OF WISCONSIN INVESTMENT BOARD

$283,498

0.13%

58,094

MILLENNIUM MANAGEMENT LLC

$261,123

0.12%

53,509

Verdad Advisers, LP

$259,767

0.12%

53,231

Persistent Asset Partners Ltd

$228,735

0.10%

46,872

SILVERARC CAPITAL MANAGEMENT, LLC

$224,358

0.10%

45,975

RHUMBLINE ADVISERS

$193,160

0.09%

39,582

ACADIAN ASSET MANAGEMENT LLC

$189,265

0.09%

38,784

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	38,784	$189,265	100.0%	Defined

DEUTSCHE BANK AG\

$178,300

0.08%

36,537

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	954	$4,655	2.6%	Defined
DWS Investments UK Ltd	35,583	$173,645	97.4%	Defined

Jump Financial, LLC

$177,549

0.08%

36,383

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Leap GP LLC joint	36,383	$177,549	100.0%	Defined

WELLS FARGO & COMPANY/MN

$172,268

0.08%

35,301

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	33,271	$162,362	94.2%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	2,030	$9,906	5.8%	Defined

ALLIANCEBERNSTEIN L.P.

$145,228

0.07%

29,760

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	29,760	$145,228	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$143,989

0.07%

29,506

BANK OF AMERICA CORP /DE/

$127,382

0.06%

26,103

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	26,103	$127,382	100.0%	Defined

CANADA PENSION PLAN INVESTMENT BOARD

$122,488

0.06%

25,100

PRICE T ROWE ASSOCIATES INC /MD/

$119,452

0.05%

24,478

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	24,478	$119,452	100.0%	Defined

JPMORGAN CHASE & CO

$99,712

0.05%

20,433

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	15,120	$73,785	74.0%	Defined
J.P. Morgan Securities plc	5,313	$25,927	26.0%	Defined

BARCLAYS PLC

$93,641

0.04%

19,189

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	18,404	$89,811	95.9%	Defined
BARCLAYS CAPITAL INC.	785	$3,830	4.1%	Defined

CITIGROUP INC

$90,494

0.04%

18,544

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	18,544	$90,494	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$82,091

0.04%

16,822

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	16,822	$82,091	100.0%	Defined

EntryPoint Capital, LLC

$75,557

0.03%

15,483

Diversified Trust Co

$72,370

0.03%

14,830

Russell Investments Group, Ltd.

$70,413

0.03%

14,429

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	14,429	$70,413	100.0%	Defined

Vanguard Global Advisers, LLC

$62,625

0.03%

12,833

TWO SIGMA INVESTMENTS, LP

$60,731

0.03%

12,445

Police & Firemen's Retirement System of New Jersey

$55,270

0.03%

11,326

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	11,326	$55,270	100.0%	Defined

UBS Group AG

$54,806

0.02%

11,231

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	6,919	$33,764	61.6%	Defined
UBS AG	4,312	$21,042	38.4%	Defined

Fiduciary Trust Co

$53,089

0.02%

10,879

BNP PARIBAS ARBITRAGE, SA

$51,025

0.02%

10,456

China Universal Asset Management Co., Ltd.

$45,598

0.02%

9,344

STRS OHIO

$41,968

0.02%

8,600

Evelyn Partners Group Ltd

$34,648

0.02%

7,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Evelyn Partners Asset Management Ltd	7,100	$34,648	100.0%	Sole

Ameritas Investment Partners, Inc.

$16,313

0.01%

3,343

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	3,343	$16,313	100.0%	Other

Tower Research Capital LLC (TRC)

$16,016

0.01%

3,282

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,282	$16,016	100.0%	Defined

Legal & General Group Plc

$14,566

0.01%

2,985

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	2,985	$14,566	100.0%	Defined

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$14,034

0.01%

2,876

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	2,876	$14,034	100.0%	Defined

Mirae Asset Global Investments Co., Ltd.

$12,814

0.01%

2,626

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$10,984

0.01%

2,251

SIMPLEX TRADING, LLC

$9,232

0.00%

1,892

NEW YORK STATE COMMON RETIREMENT FUND

$9,130

0.00%

1,871

GF FUND MANAGEMENT CO. LTD.

$6,056

0.00%

1,241

Arax Advisory Partners

$5,543

0.00%

1,136

ROYAL BANK OF CANADA

$5,353

0.00%

1,097

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,097	$5,353	100.0%	Defined

INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC

$4,880

0.00%

1,000

TD Waterhouse Canada Inc.

$4,880

0.00%

1,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	1,000	$4,880	100.0%	Defined

GAMMA Investing LLC

$3,098

0.00%

635

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$2,361

0.00%

484

Bare Financial Services, Inc

$1,205

0.00%

247

Allworth Financial LP

$1,171

0.00%

240

NATIONAL BANK OF CANADA /FI/

$976

0.00%

200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	200	$976	100.0%	Defined

EverSource Wealth Advisors, LLC

$882

0.00%

181

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	6	$29	3.3%	Sole
Held directly	175	$853	96.7%	Sole

PNC FINANCIAL SERVICES GROUP, INC.

$624

0.00%

128

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	128	$624	100.0%	Defined

Sterling Capital Management LLC

$624

0.00%

128

TFC Financial Management, Inc.

$600

0.00%

123

SBI Securities Co., Ltd.

$488

0.00%

100

NISA INVESTMENT ADVISORS, LLC

$380

0.00%

Farther Finance Advisors, LLC

$317

0.00%

Essential Partners LLC

$170

0.00%

ROTHSCHILD INVESTMENT LLC

$161

0.00%

Caitong International Asset Management Co., Ltd

$82

0.00%

True Wealth Design, LLC

$68

0.00%

SJS Investment Consulting Inc.

$43

0.00%

Clearstead Advisors, LLC

$43

0.00%

Key facts CIK 1822462 CUSIP 344174107 13F (30d) 1 filings 1 filers Visit website Investor relations