Security key
03589W102
Annexon, Inc. - Common Stock, par value $0.001 per share (ANNX)
CUSIP: 03589W102
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Shares outstanding
- 161,077,278
- Total 13F shares
- 101,380,733
- Share change
- +1,923,451
- Total reported value
- $309,219,194
- Put/Call ratio
- 37%
- Price per share
- $3.05
- Number of holders
- 143
- Value change
- +$11,142,271
- Number of buys
- 81
- Number of sells
- 52
Report period
Q3 2025
Institutions
143
Top holders
10
ANNX full security history
Newer quarter: Q4 2025
Previous quarter: Q2 2025
Annexon, Inc. SEC filings
Annexon, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03589W102
Recent filing periods:
Top shareholders of ANNX - Annexon, Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.
13D/G
13F
3/4/5
Evidence coverage
50 holder rows
Latest evidence as of 30 Jun 2025.
Highest disclosed value: $37,668,544.
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Fund, L.P. |
13D/G
BCLS I Investco, LP
|
4.9%
|
$9,973,231
5,249,069 shares
|
$0 | 31 Dec 2024 |
| Point72 Asset Management, L.P. |
13D/G
|
0.1%
|
$181,317
95,430 shares
|
$0 | 31 Mar 2025 |
| FMR LLC |
13F
Company
|
9.7%
|
$37,668,544
15,695,226 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
4.9%
|
$19,109,683
7,962,368 shares
|
— | 30 Jun 2025 |
| BVF INC/IL |
13F
Company
|
4.3%
|
$16,800,000
7,000,000 shares
|
— | 30 Jun 2025 |
| Redmile Group, LLC |
13F
Company
|
3.9%
|
$15,121,546
6,300,644 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.3%
|
$12,878,493
5,366,039 shares
|
— | 30 Jun 2025 |
| Bain Capital Life Sciences Investors, LLC |
3/4/5
13F
10%+ Owner · Company
|
3.3%
from 13F
|
$24,428,590
5,401,926 shares
|
— | 25 May 2023 |
| Bellevue Group AG |
13F
Company
|
3.2%
|
$12,377,496
5,157,290 shares
|
— | 30 Jun 2025 |
| Sio Capital Management, LLC |
13F
Company
|
2.5%
|
$9,829,834
4,095,764 shares
|
— | 30 Jun 2025 |
| Tetragon Partners GP Ltd |
13F
Company
|
1.7%
|
$6,744,000
2,810,000 shares
|
— | 30 Jun 2025 |
| S.c.a. Candriam |
13F
Individual
|
1.6%
|
$6,082,411
2,534,230 shares
|
— | 30 Jun 2025 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
1.6%
|
$6,033,922
2,514,134 shares
|
— | 30 Jun 2025 |
| Logos Global Management LP |
13F
Company
|
1.5%
|
$5,784,000
2,410,000 shares
|
— | 30 Jun 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.4%
|
$5,484,459
2,284,773 shares
|
— | 30 Jun 2025 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
1.3%
|
$5,198,826
2,166,178 shares
|
— | 30 Jun 2025 |
| STATE STREET CORP |
13F
Company
|
1.2%
|
$4,754,362
1,980,984 shares
|
— | 30 Jun 2025 |
| SPHERA FUNDS MANAGEMENT LTD. |
13F
Company
|
1.1%
|
$4,234,529
1,764,387 shares
|
— | 30 Jun 2025 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
1%
|
$3,913,557
1,630,649 shares
|
— | 30 Jun 2025 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
0.9%
|
$3,486,708
1,452,795 shares
|
— | 30 Jun 2025 |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC |
13F
Company
|
0.67%
|
$2,589,506
1,078,961 shares
|
— | 30 Jun 2025 |
| Woodline Partners LP |
13F
Company
|
0.65%
|
$2,528,902
1,053,709 shares
|
— | 30 Jun 2025 |
| SIRIOS CAPITAL MANAGEMENT L P |
13F
Company
|
0.61%
|
$2,374,985
989,577 shares
|
— | 30 Jun 2025 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
0.61%
|
$2,370,031
987,513 shares
|
— | 30 Jun 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
0.55%
|
$2,135,739
889,863 shares
|
— | 30 Jun 2025 |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
Company
|
0.53%
|
$2,053,375
855,573 shares
|
— | 30 Jun 2025 |
| MORGAN STANLEY |
13F
Company
|
0.52%
|
$1,998,096
832,540 shares
|
— | 30 Jun 2025 |
| Walleye Capital LLC |
13F
Company
|
0.49%
|
$1,907,134
794,639 shares
|
— | 30 Jun 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
0.48%
|
$1,866,960
777,900 shares
|
— | 30 Jun 2025 |
| NORTHERN TRUST CORP |
13F
Company
|
0.46%
|
$1,783,737
743,224 shares
|
— | 30 Jun 2025 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
0.45%
|
$1,748,134
728,389 shares
|
— | 30 Jun 2025 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
0.36%
|
$1,401,391
583,913 shares
|
— | 30 Jun 2025 |
| DEUTSCHE BANK AG\ |
13F
Company
|
0.32%
|
$1,227,475
511,448 shares
|
— | 30 Jun 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
0.32%
|
$1,221,000
508,103 shares
|
— | 30 Jun 2025 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) |
13F
Company
|
0.31%
|
$1,182,475
492,698 shares
|
— | 30 Jun 2025 |
| Hennion & Walsh Asset Management, Inc. |
13F
Company
|
0.3%
|
$1,163,119
484,633 shares
|
— | 30 Jun 2025 |
| Board of Trustees of The Leland Stanford Junior University |
13F
Company
|
0.3%
|
$1,158,120
482,550 shares
|
— | 30 Jun 2025 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
0.29%
|
$1,125,000
469,209 shares
|
— | 30 Jun 2025 |
| Rhenman & Partners Asset Management AB |
13F
Company
|
0.29%
|
$1,104,000
460,000 shares
|
— | 30 Jun 2025 |
| Qube Research & Technologies Ltd |
13F
Company
|
0.26%
|
$1,019,328
424,720 shares
|
— | 30 Jun 2025 |
| Parkman Healthcare Partners LLC |
13F
Company
|
0.25%
|
$970,066
404,194 shares
|
— | 30 Jun 2025 |
| J. Safra Sarasin Holding AG |
13F
Company
|
0.24%
|
$915,458
381,441 shares
|
— | 30 Jun 2025 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
0.23%
|
$904,737
376,974 shares
|
— | 30 Jun 2025 |
| AQR CAPITAL MANAGEMENT LLC |
13F
Company
|
0.21%
|
$796,875
332,031 shares
|
— | 30 Jun 2025 |
| UBS Group AG |
13F
Company
|
0.2%
|
$780,292
325,122 shares
|
— | 30 Jun 2025 |
| Bank of New York Mellon Corp |
13F
Company
|
0.19%
|
$722,516
301,048 shares
|
— | 30 Jun 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
0.17%
|
$640,349
266,812 shares
|
— | 30 Jun 2025 |
| Schonfeld Strategic Advisors LLC |
13F
Company
|
0.17%
|
$638,518
266,050 shares
|
— | 30 Jun 2025 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
Company
|
0.16%
|
$48,615
258,314 shares
|
— | 30 Jun 2025 |
| Nuveen, LLC |
13F
Company
|
0.16%
|
$614,203
255,918 shares
|
— | 30 Jun 2025 |
Institutional Holders of Annexon, Inc. - Common Stock, par value $0.001 per share (ANNX) as of Q3 2025
As of 30 Sep 2025,
Annexon, Inc. - Common Stock, par value $0.001 per share (ANNX) was held by
143 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
101,380,733 shares.
The largest 10 holders included
FMR LLC, BlackRock, Inc., BVF INC/IL, Redmile Group, LLC, VANGUARD GROUP INC, Bain Capital Life Sciences Investors, LLC, Bellevue Group AG, MORGAN STANLEY, MILLENNIUM MANAGEMENT LLC, and Woodline Partners LP.
This page lists
144
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
127
Q3 2025 holders
143
Holder diff
16
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.