$6.00
-0.10 (-1.56%)
Market Cap
$703.2M
Shares Outstanding
119,595,051
Institutional Holders
148
Total Inst. Value
$217.0M
% of Float Held
90.1%
QoQ Holder Change
+36
Institutional data as of Q1 2025
New Positions
28
Closed Positions
30
Increased
55
Decreased
39
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | DEERFIELD MANAGEMENT COMPANY, L.P. | $31.6M | 16,349,564 |
| 2 | FMR LLC | $25.6M | 13,262,328 |
| 3 | BlackRock, Inc. | $16.5M | 8,526,506 |
| 4 | BVF INC/IL | $13.5M | 7,000,000 |
| 5 | Redmile Group, LLC | $12.2M | 6,300,644 |
| 6 | VANGUARD GROUP INC | $10.4M | 5,379,659 |
| 7 | Bain Capital Life Sciences Investors, LLC | $10.1M | 5,249,069 |
| 8 | Bellevue Group AG | $10.0M | 5,157,290 |
| 9 | Logos Global Management LP | $7.7M | 4,000,000 |
| 10 | AMERIPRISE FINANCIAL INC | $7.7M | 3,985,295 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| DEERFIELD MANAGEMENT COMPANY, L.P. | +15.8M | $31.6M |
| BlackRock, Inc. | +40K | $16.5M |
| Logos Global Management LP | +1.4M | $7.7M |
| AMERIPRISE FINANCIAL INC | +3.1M | $7.7M |
| Sio Capital Management, LLC | +1.0M | $6.6M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Point72 Asset Management, L.P. | -5.6M | $88K |
| STATE STREET CORP | -2.5M | $3.9M |
| FMR LLC | -962K | $25.6M |
| PRICE T ROWE ASSOCIATES INC /MD/ | -580K | $1.0M |
| Woodline Partners LP | -576K | $4.1M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold ANNX?
As of Q1 2025, 148 institutional investors report holding ANNX (Annexon, Inc.) in their 13F filings.
What percentage of Annexon, Inc. is owned by institutions?
Institutional investors hold approximately 90.1% of Annexon, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most ANNX?
The largest institutional holder of ANNX is DEERFIELD MANAGEMENT COMPANY, L.P. with $31.6M in shares.
Are institutions buying or selling ANNX?
This quarter, 28 institutions opened new positions in ANNX and 30 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.