ALECTOR INC (ALEC): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in ALEC · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
11
13F filers
Aggregate Value
$25.2M
Across holders
Last Price
$2.30
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity5 increased5 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 3.25M | $6.5M | 25.9% | 0.0% | Added | +$627K | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 2.96M | $5.9M | 23.6% | 0.0% | Reduced | $-4.8M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 1.99M | $4.0M | 15.9% | 0.0% | Added | +$19K | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1.31M | $2.6M | 10.5% | 0.0% | Added | +$2.6M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 1.05M | $2.1M | 8.3% | 0.0% | Reduced | $-470K | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 935K | $1.9M | 7.5% | 0.0% | Reduced | $-709K | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 599K | $1.2M | 4.8% | 0.0% | Reduced | $-1.3M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 391K | $786K | 3.1% | 0.0% | Added | +$516K | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 27K | $54K | 0.2% | 0.0% | Reduced | $-107K | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 17K | $33K | 0.1% | 0.0% | Added | — | Q2 2026 |
Added
Hedge Fund
$6.5M· 25.9% of total· 0.0% port· 3.25M sh· +$627K QoQ· Q2 2026
Reduced
Hedge Fund
$5.9M· 23.6% of total· 0.0% port· 2.96M sh· $-4.8M QoQ· Q2 2026
Added
Hedge Fund
$4.0M· 15.9% of total· 0.0% port· 1.99M sh· +$19K QoQ· Q2 2026
Added
Hedge Fund
$2.6M· 10.5% of total· 0.0% port· 1.31M sh· +$2.6M QoQ· Q2 2026
Reduced
Hedge Fund
$2.1M· 8.3% of total· 0.0% port· 1.05M sh· $-470K QoQ· Q2 2026
Reduced
Hedge Fund
$1.9M· 7.5% of total· 0.0% port· 935K sh· $-709K QoQ· Q2 2026
Reduced
Hedge Fund
$1.2M· 4.8% of total· 0.0% port· 599K sh· $-1.3M QoQ· Q2 2026
Added
Hedge Fund
$786K· 3.1% of total· 0.0% port· 391K sh· +$516K QoQ· Q2 2026
Reduced
Hedge Fund
$54K· 0.2% of total· 0.0% port· 27K sh· $-107K QoQ· Q2 2026
Added
Hedge Fund
$33K· 0.1% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$738· 0.0% of total· 0.0% port· 367 sh· +$0 QoQ· Q2 2026
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