FHTX

Foghorn Therapeutics Inc Cross-source read$4.83 1.83%
Health CareCUSIP 344174107· EOD Sep 8, 2026

Among active 13F managers last quarter, 11 opened and 14 added, while 12 reduced; the largest holder to move was Renaissance Technologies LLC (+37%). No open-market insider trades in the last 180 days.

Tracked 13F holders
100
36 in Q2 2026 filings
13F value (tracked)
$216.4M
Smart-money readBullish
Net sellingNet buying
Funds · active managers, latest 13F
25 adding · 12 trimming
Insiders · Form 4 open-market, 180d
0 buying · 0 selling
US House · STOCK Act, 180d
0 buying · 0 selling

Funds lean in and no leg opposes.

Price & smart-money activity

$4.83 1.83%5Y -61.5%
$1.49$7.06$12.63$18.21$23.7820212022202320242025202633636556655565385283841186156176141415131712201225131310
Hover for who · click for detailEnd-of-day closing prices52w $3.53 – $7.07

Who owns FHTX?

100 tracked 13F filers · ranked by shares held

100 tracked 13F filers disclose a position in FHTX as of the latest SEC 13F filings, a combined $216.4M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundSharesPosition valueLast moveAs ofHistory
1Flagship Pioneering, LLC12.7M
$61.8M
Held
Q2 2026
2BVF Inc5.8M
$28.5M
Held
Q2 2026
3FMR LLC5.7M
$27.8M
−5.6%
Reduced · −341K sh
Q2 2026
4Deerfield Management Company, L.P.4.4M
$21.4M
Held
Q2 2026
5BlackRock, Inc.2.6M
$12.8M
+11%
Added · +262K sh
Q2 2026
6Raymond James Financial Inc2.6M
$12.4M
+3.9%
Added · +97K sh
Q1 2026
7Euclidean Capital LLC1.6M
$7.7M
Held
Q2 2026
8Vanguard Capital Management LLC1.5M
$7.3M
~0%
Reduced · −478 sh
Q2 2026
9Geode Capital Management, LLC911K
$4.4M
+7.4%
Added · +63K sh
Q2 2026
10Siren, L.L.C.721K
$3.5M
Held
Q2 2026
11State Street Corp697K
$3.4M
+2.6%
Added · +18K sh
Q2 2026
12Ameriprise Financial Inc449K
$2.1M
−26%
Reduced · −159K sh
Q1 2026
13Renaissance Technologies LLC406K
$1.9M
+37%
Added · +109K sh
Q1 2026
14Candriam S.C.A.314K
$1.5M
Held
Q2 2026
15Jacobs Levy Equity Management, Inc305K
$1.5M
+0.6%
Added · +2K sh
Q2 2026
16Vanguard Portfolio Management LLC304K
$1.5M
+19%
Added · +49K sh
Q2 2026
17Birchview Capital, LP282K
$1.4M
+0.1%
Added · +207 sh
Q2 2026
18Northern Trust Corp276K
$1.3M
+5.1%
Added · +13K sh
Q1 2026
19Vanguard Fiduciary Trust Co264K
$1.3M
+9.9%
Added · +24K sh
Q2 2026
20Woodline Partners LP202K
$986K
+12%
Added · +22K sh
Q2 2026
21B Group, Inc.200K
$976K
+96%
Added · +98K sh
Q2 2026
22Panagora Asset Management Inc175K
$856K
+52%
Added · +60K sh
Q2 2026
23Citadel Advisors LLC159K
$775K
−21%
Reduced · −41K sh
Q2 2026
24Goldman Sachs Group Inc136K
$651K
+15%
Added · +17K sh
Q1 2026
25DAFNA Capital Management LLC112K
$546K
Held
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is FHTX being bought or sold by institutions?

Last quarter, 11 funds opened a new position in FHTX and 14 added to an existing one, while 12 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
11
funds took a first position
Added
14
added to an existing position
Reduced
12
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own FHTX also own

CompanyCo-held byTheir position there
Nvidia CorpNVDA40 funds$181.0B
Broadcom IncAVGO40 funds$74.1B
Lam Research CorpLRCX40 funds$21.0B
Bristol-Myers Squibb CoBMY40 funds$7.2B
Microsoft CorpMSFT39 funds$106.8B
Amazon.com IncAMZN39 funds$79.8B
Alphabet Inc-CL AGOOGL39 funds$74.3B
Eli Lilly & CoLLY39 funds$39.0B
Tesla IncTSLA39 funds$30.6B
Chevron CorpCVX39 funds$10.2B
Fortinet IncFTNT39 funds$3.0B
Revolution Medicines IncRVMD39 funds$2.6B

Ranked by how many of FHTX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in FHTX.

Insider activity (Form 4)

Full insider page →
Net · 180d
$0
0 open-market transactions
DateInsiderRoleActionSharesValue
Sep 23, 2024Costa CarlosChief People OfficerSell (S)857$9K
Sep 20, 2024Costa CarlosChief People OfficerSell (S)36K$359K
Sep 18, 2024Costa CarlosChief People OfficerSell (S)12K$116K
Sep 17, 2024Costa CarlosChief People OfficerSell (S)10K$103K
Sep 16, 2024Costa CarlosChief People OfficerSell (S)400$4K
Sep 9, 2024Bellon Steven F.Chief Scientific OfficerSell (S)20K$190K
Mar 11, 2024Cavalie FannyChief Strategy/Bus Ops OfficerSell (S)11K$72K
Aug 16, 2023Agresta SamuelChief Medical OfficerSell (S)311K$2.6M
Oct 27, 2020Flagship Ventures Opportunities Fund I General Partner LLC10% OwnerBuy (P)
3 lots, same day
150K$2.4M
Oct 27, 2020Decicco CarlChief Scientific OfficerBuy (P)6K$88K
Oct 27, 2020Abu Dhabi Investment AuthorityInsiderBuy (P)150K$2.4M

One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.

Do institutions, insiders and Congress agree?

Mixed signals

Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.

SEC EDGAR 13F + Form 4 + US House STOCK Act{ }get_ticker_confluence · API & MCP

Signals by source

Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive

SourceBuyingSellingNet
13F funds
Top 100 holders by value, passive included; the hero counts active managers only
3428
Insiders
Form 4 open-market
00$0
US House
STOCK Act trades
00$0

Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.

Institutional ownership over time

36 tracked filers in Q2 2026 filingsstill filing
05099Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $18.2M
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Recent filings

0 most recent

No filings captured for this ticker in the live stream yet.

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Connected entities for FHTX

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Ask your agent what changed in FHTX

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/FHTX/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for FHTX.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for FHTX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.