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ISSUER PROFILE · CIK 0001653087 · CUSIP 014442107

Alector, Inc.ALEC

10 13D/G filings 4 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
10
3 SCHEDULE 13G · 7 SC
Distinct filers
4
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-10-15

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $36K
Point72 Asset Mgmt

13D/G Filings Timeline · 10 total

FiledFormFilerStakeSharesIntent
2026-10-26 SCHEDULE 13G RA CAPITAL MANAGEMENT, L.P. — — view →
2026-10-23 SCHEDULE 13G Deep Track Capital, LP — — view →
2026-09-18 SCHEDULE 13G BIOTECHNOLOGY VALUE FUND L P — — view →
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 →
2020-01-13 SC ORBIMED ADVISORS LLC — — view →
2019-12-19 SC ORBIMED ADVISORS LLC — — view →
2019-08-12 SC ORBIMED ADVISORS LLC — — view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 10,254,239 1.00 +66.8%
2026-09-30 6,147,032 5.73 +0.7%
2026-09-15 6,104,803 3.34 -1.0%
2026-08-31 6,165,227 4.57 +4.5%
2026-08-14 5,901,581 3.46 +4.6%
2026-07-31 5,644,306 12.92 -0.4%
2026-07-15 5,664,933 10.19 -0.9%
2026-06-30 5,716,527 4.40 +8.9%
2026-06-15 5,247,655 7.64 +3.2%
2026-05-29 5,085,727 6.60 +4.7%
2026-05-15 4,857,513 9.19 -2.8%
2026-04-30 4,999,721 9.97 -3.0%

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