ANNEXON INC COM is a security (CUSIP 03589W102) tracked across SEC portfolio filings. 211 institutional managers reported $832.6M on Form 13F as of 2026-06-30; 19 registered fund positions totaling $8.8M via N-PORT as of 2026-05-31.
Showing 15 of 211 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| Redmile Group, LLC | San Francisco, CA | $80.6M | 14,549,768 |
| BlackRock, Inc. | New York, NY | $60.6M | 10,938,509 |
| FMR LLC | BOSTON, MA | $58.9M | 10,635,648 |
| BVF INC/IL | San Francisco, CA | $48.2M | 8,698,173 |
| VANGUARD GROUP INC | Valley Forge, PA | $38.9M | 7,753,387 |
| STATE STREET CORP | BOSTON, MA | $38.3M | 6,919,255 |
| Bain Capital Life Sciences Investors, LLC | Boston, MA | $28.9M | 5,212,674 |
| Bellevue Group AG | Kuesnacht, V8 | $28.6M | 5,157,290 |
| MAK CAPITAL ONE LLC | NEW YORK, NY | $26.2M | 4,724,043 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Boston, MA | $23.8M | 4,300,000 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $23.6M | 4,259,995 |
| Nuveen, LLC | CHARLOTTE, NC | $23.5M | 4,246,330 |
| Siren, L.L.C. | New York, NY | $21.9M | 3,958,646 |
| Balyasny Asset Management L.P. | Chicago, IL | $21.5M | 3,886,909 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $18.7M | 3,377,823 |
Showing 15 of 19 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD HEALTH CARE INDEX FUND | VANGUARD WORLD FUND | $1.9M | 1.02% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $1.2M | 2.46% |
| Fidelity Series Total Market Index Fund | Fidelity Concord Street Trust | $1.1M | 0.10% |
| MOA SMALL CAP VALUE FUND | MoA Funds Corp | $1.0M | 27.41% |
| T. Rowe Price Health Sciences Fund, Inc. | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $978K | 0.90% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $535K | 0.72% |
| Schwab U.S. Broad Market ETF | SCHWAB STRATEGIC TRUST | $430K | 0.10% |
| Russell Investments U.S. Small Cap Equity ETF | Russell Investments Exchange Traded Funds | $401K | 81.15% |
| Fidelity Nasdaq Composite Index ETF | Fidelity Commonwealth Trust | $379K | 0.35% |
| Small Cap Index Fund | Northern Funds | $337K | 2.43% |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO | STATE STREET INSTITUTIONAL INVESTMENT TRUST | $249K | 0.95% |
| CORNERCAP SMALL-CAP VALUE FUND | CORNERCAP GROUP OF FUNDS | $138K | 11.43% |
| CVT Russell 2000 Small Cap Index Portfolio | Calvert Variable Trust, Inc. | $60K | 2.36% |
| VIP Extended Market Index Portfolio | Variable Insurance Products Fund II | $48K | 1.03% |
| State Street Total Return V.I.S. Fund | STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | $17K | 0.17% |