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SCHEDULE Filed 2026-01-13 Event 2026-01-09 SEC 0001193125-26-011881 →

Flagship Ventures Fund V, L.P. → Foghorn Therapeutics Inc. FHTX

Stake: 27.20% Shares: 20,774,885 CUSIP: 344174107 Class: Common Stock, $0.0001 par value per share
Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 23/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%
  • Passive Schedule 13G filer baseline
  • High conviction ownership stake (27.2%)
  • Held by 1 tracked 13F institutional manager
  • 7 NPORT-P mutual funds holding CUSIP
  • Short interest building (+14.1% vs prior settlement)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
1 13D/G filings on this issuer
0 other filings besides this one
Filer Track Record
7 filings by this filer
6 other filings in the data moat
Short Interest · settle 2026-10-15
DTC 1.17
2,455,127 shares short · +14.1% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $335K
Point72 Asset Mgmt

Post-Filing Returns · since 2026-01-09 on FHTX

+1 day
0.0%
+5 days
0.0%
+30 days
0.0%
+60 days
0.0%
+90 days
0.0%
+180 days
+2.8%

Anchor price 6.00 on closest trading day on/after 2026-01-09. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other Filings by Flagship Ventures Fund V, L.P.

FiledFormIssuerStakeShares
2023-07-13 SC Evelo Biosciences, Inc. — — view →
2023-02-27 SC Omega Therapeutics, Inc. — — view →
2021-02-10 SC Kaleido Biosciences, Inc. — — view →
2021-02-04 SC Evelo Biosciences, Inc. — — view →
2020-07-01 SC Evelo Biosciences, Inc. — — view →
2020-06-08 SC Kaleido Biosciences, Inc. — — view →

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