- Type / Class
- Equity / Common Stock
- Shares outstanding
- 155,837,030
- Total 13F shares
- 136,910,694
- Share change
- +35,062,169
- Total reported value
- $687,231,703
- Put/Call ratio
- 62%
- Price per share
- $5.02
- Number of holders
- 167
- Value change
- +$183,803,680
- Number of buys
- 110
- Number of sells
- 45
Quarterly Holders Quick Answers
What is CUSIP 03589W102?
CUSIP 03589W102 identifies ANNX - Annexon, Inc. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
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Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 03589W102:
Top shareholders of ANNX - Annexon, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Redmile Group, LLC |
13D/G
13F
|
Company |
9.9%
|
15,427,866
|
$85,778,935 | $0 | 31 Dec 2025 | |
| FMR LLC |
13D/G
13F
|
Company |
7.1%
|
10,222,470
|
$51,316,801 | -$4,310,639 | 31 Dec 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
6.1%
|
8,868,755
|
$44,521,150 | $0 | 31 Dec 2025 | |
| Muneer A. Satter |
3/4/5
13D/G
|
Director · Satter Muneer A |
7.2%
from 13D/G
|
9,783,637
mixed-class rows
|
$41,638,566 | +$8,655,784 | 20 Nov 2025 | |
| Bain Capital Life Sciences Investors, LLC |
3/4/5
13F
|
10%+ Owner · Company |
3.4%
from 13F
|
5,401,926
|
$24,428,590 | — | 25 May 2023 | |
| BVF INC/IL |
13F
|
Company |
4.5%
|
7,000,000
|
$21,350,000 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.7%
|
5,835,112
|
$17,797,091 | — | 30 Sep 2025 | |
| Bellevue Group AG |
13F
|
Company |
3.3%
|
5,157,290
|
$15,729,735 | — | 30 Sep 2025 | |
| Bain Capital Life Sciences Fund, L.P. |
13D/G
|
BCLS I Investco, LP |
4.9%
|
5,249,069
|
$9,973,231 | $0 | 31 Dec 2024 | |
| MORGAN STANLEY |
13F
|
Company |
1.9%
|
3,029,848
|
$9,241,037 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.8%
|
2,822,823
|
$8,609,610 | — | 30 Sep 2025 | |
| Woodline Partners LP |
13F
|
Company |
1.7%
|
2,638,275
|
$8,046,739 | — | 30 Sep 2025 | |
| Opaleye Management Inc. |
13F
|
Company |
1.7%
|
2,600,000
|
$7,930,000 | — | 30 Sep 2025 | |
| S.c.a. Candriam |
13F
|
Individual |
1.6%
|
2,534,230
|
$7,729,402 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.6%
|
2,436,944
|
$7,434,061 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.5%
|
2,406,432
|
$7,339,618 | — | 30 Sep 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.4%
|
2,192,354
|
$6,686,681 | — | 30 Sep 2025 | |
| Tetragon Partners GP Ltd |
13F
|
Company |
1.4%
|
2,112,455
|
$6,442,988 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.3%
|
2,050,308
|
$6,253,439 | — | 30 Sep 2025 | |
| SPHERA FUNDS MANAGEMENT LTD. |
13F
|
Company |
1.2%
|
1,794,387
|
$5,472,880 | — | 30 Sep 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.97%
|
1,504,349
|
$4,588,264 | — | 30 Sep 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.96%
|
1,500,000
|
$4,575,000 | — | 30 Sep 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.83%
|
1,297,260
|
$3,956,643 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.83%
|
1,294,302
|
$3,947,621 | — | 30 Sep 2025 | |
| J. Goldman & Co LP |
13F
|
Company |
0.71%
|
1,107,001
|
$3,376,353 | — | 30 Sep 2025 | |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.68%
|
1,066,932
|
$3,254,143 | — | 30 Sep 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.63%
|
980,285
|
$2,989,869 | — | 30 Sep 2025 | |
| SIRIOS CAPITAL MANAGEMENT L P |
13F
|
Company |
0.62%
|
970,200
|
$2,959,110 | — | 30 Sep 2025 | |
| Rhenman & Partners Asset Management AB |
13F
|
Company |
0.53%
|
823,000
|
$2,510,150 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.51%
|
790,250
|
$2,410,263 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.51%
|
787,708
|
$2,402,510 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.49%
|
766,955
|
$2,339,688 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.48%
|
753,579
|
$2,298,416 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.44%
|
682,558
|
$2,081,802 | — | 30 Sep 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.41%
|
640,460
|
$1,953,403 | — | 30 Sep 2025 | |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
|
Company |
0.37%
|
583,913
|
$1,780,935 | — | 30 Sep 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.37%
|
574,123
|
$1,751,075 | — | 30 Sep 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.37%
|
572,644
|
$1,746,564 | — | 30 Sep 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.34%
|
532,363
|
$1,621,000 | — | 30 Sep 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.31%
|
484,775
|
$1,479,000 | — | 30 Sep 2025 | |
| Board of Trustees of The Leland Stanford Junior University |
13F
|
Company |
0.31%
|
482,550
|
$1,471,778 | — | 30 Sep 2025 | |
| Hennion & Walsh Asset Management, Inc. |
13F
|
Company |
0.31%
|
475,929
|
$1,451,583 | — | 30 Sep 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.26%
|
409,477
|
$1,248,904 | — | 30 Sep 2025 | |
| Parkman Healthcare Partners LLC |
13F
|
Company |
0.26%
|
405,953
|
$1,238,157 | — | 30 Sep 2025 | |
| Susquehanna Portfolio Strategies, LLC |
13F
|
Company |
0.23%
|
353,744
|
$1,078,919 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.22%
|
346,139
|
$1,055,724 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.2%
|
308,188
|
$939,975 | — | 30 Sep 2025 | |
| Point72 Europe (London) LLP |
13F
|
Company |
0.19%
|
302,861
|
$923,726 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.18%
|
285,848
|
$871,000 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.18%
|
279,134
|
$851,359 | — | 30 Sep 2025 |
Institutional Holders of Annexon, Inc. - Common Stock (ANNX) as of Q4 2025
As of 31 Dec 2025,
Annexon, Inc. - Common Stock (ANNX) was held by
167 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
136,910,694 shares.
The largest 10 holders included
FMR LLC, Redmile Group, LLC, BVF INC/IL, BlackRock, Inc., VANGUARD GROUP INC, ADAGE CAPITAL PARTNERS GP, L.L.C., Bain Capital Life Sciences Investors, LLC, Bellevue Group AG, STATE STREET CORP, and AMERIPRISE FINANCIAL INC.
This page lists
167
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
143
Q4 2025 holders
167
Holder diff
24
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 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.