We are live on
!
Find out more
AnaptysBio
ANAB
ANAB
179 hedge funds and large institutions have $1.42B invested in AnaptysBio in 2025 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 51 increasing their positions, 64 reducing their positions, and 24 closing their positions.
New
Increased
Maintained
Reduced
Closed
54% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 24
45% more capital invested
Capital invested by funds: $980M → $1.42B (+$443M)
8% more funds holding
Funds holding: 166 → 179 (+13)
7.11% less ownership
Funds ownership: 113.12% → 106.02% (-7.1%)
14% less call options, than puts
Call options by funds: $20.8M | Put options by funds: $24.2M
20% less funds holding in top 10
Funds holding in top 10: 5 → 4 (-1)
20% less repeat investments, than reductions
Existing positions increased: 51 | Existing positions reduced: 64
Holders
179
Holders Change
+13
Holders Change %
+7.83%
% of All Funds
2.18%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
37
Increased
51
Reduced
64
Closed
24
Calls
$20.8M
Puts
$24.2M
Net Calls
-$3.37M
Net Calls Change
+$2.37M
Top Buyers
| 1 |
AAA
Affinity Asset Advisors
New York
|
+$17.3M |
| 2 |
D.E. Shaw & Co
New York
|
+$12.5M |
| 3 |
Voloridge Investment Management
Jupiter,
Florida
|
+$8.57M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$7.38M |
| 5 |
State Street
Boston,
Massachusetts
|
+$7.02M |
Top Sellers
| 1 |
Millennium Management
New York
|
-$27.5M |
| 2 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$25.7M |
| 3 |
Morgan Stanley
New York
|
-$20.3M |
| 4 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
-$19.1M |
| 5 |
FLAM
First Light Asset Management
Edina,
Minnesota
|
-$13.4M |
