ANNEXON INC (ANNX): Institutional Ownership
Hedge funds and institutional managers reporting a position in ANNX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
13
13F filers
Aggregate Value
$72.6M
Across holders
Last Price
$5.48
2026-06-26
Sector
Health Care
GICS
Holder activity3 new5 added5 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 4.30M | $23.8M | 32.8% | 0.0% | Reduced | $-6.6M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 3.89M | $21.5M | 29.6% | 0.0% | Added | +$3.3M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 3.11M | $17.3M | 23.7% | 0.0% | Added | +$4.1M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 544K | $3.0M | 4.2% | 0.0% | Reduced | $-1.4M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 471K | $2.6M | 3.6% | 0.0% | Added | +$772K | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 795K | $1.9M | 2.6% | 0.0% | New | — | Q2 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 123K | $683K | 0.9% | 0.0% | Reduced | $-2.2M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 112K | $619K | 0.9% | 0.0% | Added | +$424K | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 109K | $605K | 0.8% | 0.0% | New | — | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 58K | $324K | 0.4% | 0.0% | Reduced | $-362K | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 29K | $163K | 0.2% | 0.0% | Added | +$111K | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 15K | $83K | 0.1% | 0.0% | New | — | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 5K | $27K | 0.0% | 0.0% | Reduced | $-16K | Q1 2026 |
Reduced
Hedge Fund
$23.8M· 32.8% of total· 0.0% port· 4.30M sh· $-6.6M QoQ· Q1 2026
Added
Hedge Fund
$21.5M· 29.6% of total· 0.0% port· 3.89M sh· +$3.3M QoQ· Q1 2026
Added
Hedge Fund
$17.3M· 23.7% of total· 0.0% port· 3.11M sh· +$4.1M QoQ· Q1 2026
Reduced
Hedge Fund
$3.0M· 4.2% of total· 0.0% port· 544K sh· $-1.4M QoQ· Q1 2026
Added
Hedge Fund
$2.6M· 3.6% of total· 0.0% port· 471K sh· +$772K QoQ· Q1 2026
New
Hedge Fund
$1.9M· 2.6% of total· 0.0% port· 795K sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$683K· 0.9% of total· 0.0% port· 123K sh· $-2.2M QoQ· Q1 2026
Added
Hedge Fund
$619K· 0.9% of total· 0.0% port· 112K sh· +$424K QoQ· Q1 2026
New
Hedge Fund
$605K· 0.8% of total· 0.0% port· 109K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$324K· 0.4% of total· 0.0% port· 58K sh· $-362K QoQ· Q1 2026
Added
Hedge Fund
$163K· 0.2% of total· 0.0% port· 29K sh· +$111K QoQ· Q1 2026
New
Hedge Fund
$83K· 0.1% of total· 0.0% port· 15K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$27K· 0.0% of total· 0.0% port· 5K sh· $-16K QoQ· Q1 2026