Institutional Ownership Annexon, Inc. (ANNX)
This table provides information about the institutional ownership of Annexon, Inc. (ANNX). We have compiled data on the 136 institutions that hold shares in the stock, with a total of 96.3 Million shares, which have been reported (via 13F filing form) to have a value of $235 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Satter Management Co., L.P.
|
Feb 14, 2025 Q4 2024 |
7,406,024
shares
|
$18.1 Million
71.99% of portfolio
|
Q4 2023
Added 4.96%
|
|
|
Bvf Inc
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
7,000,000
shares
|
$17.1 Million
0.66% of portfolio
|
Q4 2023
New holding
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
6,587,287
shares
|
$16.1 Million
0.0% of portfolio
|
Q2 2024
Added 30.61%
|
|
|
Redmile Group, LLC
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
6,300,644
shares
|
$15.4 Million
1.84% of portfolio
|
Q4 2024
Reduced 1.97%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
5,366,039
shares
|
$13.1 Million
0.0% of portfolio
|
Q2 2025
Reduced 0.25%
|
|
|
Bain Capital Life Sciences Investors, LLC
Boston, MA |
Aug 14, 2025 Q2 2025 |
5,249,069
shares
|
$12.8 Million
3.78% of portfolio
|
Q4 2024
Reduced 37.88%
|
|
|
Bellevue Group Ag
Kuesnacht, V8 |
Aug 14, 2025 Q2 2025 |
5,157,290
shares
|
$12.6 Million
0.28% of portfolio
|
Q2 2024
Added 136.32%
|
|
|
Sio Capital Management, LLC
New York, NY |
Aug 13, 2025 Q2 2025 |
4,095,764
shares
|
$9.99 Million
4.7% of portfolio
|
Q2 2025
Added 20.54%
|
|
|
Tfg Asset Management Gp LTD
Grand Cayman, E9 |
Aug 14, 2025 Q2 2025 |
2,810,000
shares
|
$6.86 Million
1.7% of portfolio
|
Q2 2025
Added 6.04%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
2,720,485
shares
|
$6.64 Million
0.0% of portfolio
|
Q4 2024
Added 6.45%
|
|
|
Candriam S.C.A.
|
Aug 08, 2025 Q2 2025 |
2,534,230
shares
|
$6.18 Million
0.04% of portfolio
|
Q4 2024
Added 15.57%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
2,514,134
shares
|
$6.13 Million
0.0% of portfolio
|
Q2 2025
Added 1334.16%
|
|
|
Logos Global Management LP
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
2,410,000
shares
|
$5.88 Million
0.75% of portfolio
|
Q2 2025
Reduced 39.75%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
2,284,773
shares
|
$5.57 Million
0.0% of portfolio
|
Q2 2025
Added 1.77%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Aug 14, 2025 Q2 2025 |
2,166,178
shares
|
$5.29 Million
0.0% of portfolio
|
Q2 2025
Reduced 45.65%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
1,980,984
shares
|
$4.83 Million
0.0% of portfolio
|
Q2 2025
Reduced 2.88%
|
|
|
Pictet Asset Management Sa
Geneva 73, V8 |
Aug 10, 2023 Q2 2023 |
1,879,575
shares
|
$4.59 Million
0.01% of portfolio
|
Q2 2023
Added 52.47%
|
|
|
Sphera Funds Management Ltd.
Tel Aviv, L3 |
Aug 14, 2025 Q2 2025 |
1,764,387
shares
|
$4.31 Million
1.17% of portfolio
|
Q1 2025
Added 41.94%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
1,630,649
shares
|
$3.98 Million
0.0% of portfolio
|
Q2 2025
Added 93.76%
|
|
|
Bank Of America Corp
Charlotte, NC |
Aug 14, 2025 Q2 2025 |
1,452,795
shares
|
$3.54 Million
0.0% of portfolio
|
Q2 2025
Added 39.86%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
1,431,965
shares
|
$3.49 Million
0.0% of portfolio
|
Q1 2025
Reduced 5.26%
|
|
|
Mutual Of America Capital Management LLC
New York, NY |
Jul 29, 2025 Q2 2025 |
1,078,961
shares
|
$2.63 Million
0.03% of portfolio
|
Q2 2025
Added 4.68%
|
|
|
Woodline Partners LP
San Francisco, CA |
Aug 14, 2025 Q2 2025 |
1,053,709
shares
|
$2.57 Million
0.01% of portfolio
|
Q2 2025
Reduced 50.17%
|
|
|
Sirios Capital Management L P
Boston, MA |
Aug 14, 2025 Q2 2025 |
989,577
shares
|
$2.41 Million
0.43% of portfolio
|
Q2 2025
Added 28.74%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Aug 08, 2025 Q2 2025 |
987,513
shares
|
$2.41 Million
0.0% of portfolio
|
Q2 2025
Reduced 3.22%
|