SC Filed 2020-01-13 Event — SEC 0000947871-20-000022 →

ORBIMED ADVISORS LLC → Alector, Inc. ALEC

Stake: — Shares: —

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

7 13D/G filings on this issuer

6 other filings besides this one

Filer Track Record

137 filings by this filer

136 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 10.19

5,664,933 shares short · -0.9% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $36K

Point72 Asset Mgmt

Other 13D/G Filings on Alector, Inc.

Filed	Form	Filer	Stake	Shares
2020-07-10	SC	ORBIMED ADVISORS LLC	—	—	view →
2020-06-04	SC	ORBIMED ADVISORS LLC	—	—	view →
2020-03-04	SC	ORBIMED ADVISORS LLC	—	—	view →
2020-02-05	SC	ORBIMED ADVISORS LLC	—	—	view →
2019-12-19	SC	ORBIMED ADVISORS LLC	—	—	view →
2019-08-12	SC	ORBIMED ADVISORS LLC	—	—	view →

Other Filings by ORBIMED ADVISORS LLC

Filed	Form	Issuer	Stake	Shares
2026-07-29	SCHEDULE 13D	Scribe Therapeutics, Inc.	7.20%	1,348,825	view →
2026-07-20	SCHEDULE 13D/A	Q32 Bio Inc.	—	4,127,987	view →
2026-06-24	SCHEDULE 13D/A	Enliven Therapeutics, Inc. ELVN	—	6,774,507	view →
2026-06-17	SCHEDULE 13D/A	Enliven Therapeutics, Inc. ELVN	10.93%	7,634,630	view →
2026-06-15	SCHEDULE 13D/A	Shattuck Labs, Inc. STTK	—	9,021,127	view →
2026-06-01	SCHEDULE 13D/A	Q32 Bio Inc. QTTB	—	4,127,987	view →
2026-04-10	SCHEDULE 13D/A	Adicet Bio, Inc. ACET	8.80%	844,787	view →
2026-01-27	SCHEDULE	Corvus Pharmaceuticals, Inc. CRVS	10.30%	8,609,091	view →
2025-10-10	SCHEDULE	Adicet Bio, Inc. ACET	9.60%	14,772,598	view →
2025-09-30	SCHEDULE	MBX Biosciences, Inc. MBX	9.00%	4,002,887	view →
2025-07-21	SCHEDULE	Passage BIO, Inc. PASG	7.82%	243,878	view →
2025-05-14	SCHEDULE	Corvus Pharmaceuticals, Inc. CRVS	12.20%	9,785,423	view →
2025-04-11	SCHEDULE	Compass Therapeutics, Inc. CMPX	11.00%	15,219,994	view →
2025-01-29	SCHEDULE	Traws Pharma, Inc. TRAW	19.90%	760,824	view →
2024-11-12	SC	Third Harmonic Bio, Inc.	—	—	view →
2024-10-25	SC	TELA Bio, Inc. TELA	—	—	view →
2024-10-01	SC	TELA Bio, Inc. TELA	—	—	view →
2024-07-02	SC	TELA Bio, Inc. TELA	—	—	view →
2024-06-20	SC	Disc Medicine, Inc. IRON	—	—	view →
2024-04-12	SC	Passage BIO, Inc. PASG	—	—	view →

Showing 20 of 136

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