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AnaptysBio

207 hedge funds and large institutions have $1.55B invested in AnaptysBio in 2026 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 58 increasing their positions, 70 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

364% more call options, than puts

Call options by funds: $1.41M | Put options by funds: $305K

155% more first-time investments, than exits

New positions opened: 51 | Existing positions closed: 20

50% more funds holding in top 10

Funds holding in top 10: 46 (+2)

16% more funds holding

Funds holding: 179207 (+28)

9% more capital invested

Capital invested by funds: $1.42B → $1.55B (+$128M)

7.8% less ownership

Funds ownership: 106.02%98.22% (-7.8%)

17% less repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 70

Holders
207
Holders Change
+28
Holders Change %
+15.64%
% of All Funds
2.55%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
51
Increased
58
Reduced
70
Closed
20
Calls
$1.41M
Puts
$305K
Net Calls
+$1.11M
Net Calls Change
+$4.48M
Name Holding Trade Value Shares
Change
Change in
Stake
Rafferty Asset Management
76
Rafferty Asset Management
New York
$1.51M -$434K -8,061 -23%
EP
77
Eversept Partners
New York
$1.5M -$5.05M -93,838 -78%
Susquehanna International Group
78
Susquehanna International Group
Pennsylvania
$1.47M +$1.43M +26,577 New
SG Americas Securities
79
SG Americas Securities
New York
$1.38M +$776K +14,423 +138%
HT
80
Headlands Technologies
Illinois
$1.36M -$38.7K -720 -3%
RhumbLine Advisers
81
RhumbLine Advisers
Massachusetts
$1.32M -$63.7K -1,184 -5%
YIH
82
Y-Intercept (HK)
Hong Kong
$1.26M -$560K -10,400 -31%
JGC
83
J. Goldman & Co
New York
$1.18M +$1.14M +21,205 New
HSA
84
Hussman Strategic Advisors
Maryland
$1.16M +$1.13M +21,000 New
Credit Agricole
85
Credit Agricole
France
$1.11M -$1.08M -20,000 -50%
DA
86
DCF Advisers
Connecticut
$1.04M -$886K -16,475 -47%
Walleye Capital
87
Walleye Capital
New York
$1.02M +$991K +18,425 New
PP
88
PDT Partners
New York
$976K -$1.37M -25,406 -59%
Creative Planning
89
Creative Planning
Kansas
$934K +$85.1K +1,582 +10%
Los Angeles Capital Management
90
Los Angeles Capital Management
California
$869K +$30.3K +563 +4%
Canada Pension Plan Investment Board
91
Canada Pension Plan Investment Board
Ontario, Canada
$826K +$802K +14,900 New
TC
92
TwinBeech Capital
New York
$805K +$781K +14,518 New
VOYA Investment Management
93
VOYA Investment Management
Georgia
$796K +$85.3K +1,586 +12%
California State Teachers Retirement System (CalSTRS)
94
California State Teachers Retirement System (CalSTRS)
California
$776K -$7.42K -138 -1%
GAM
95
Gotham Asset Management
New York
$775K +$752K +13,972 New
CAM
96
Cresset Asset Management
Illinois
$769K -$67.4K -1,253 -8%
Legal & General Group
97
Legal & General Group
United Kingdom
$767K -$234K -4,349 -24%
BIG
98
Brookwood Investment Group
Arizona
$741K +$719K +13,362 New
Russell Investments Group
99
Russell Investments Group
United Kingdom
$737K -$346K -6,426 -33%
Acadian Asset Management
100
Acadian Asset Management
Massachusetts
$730K +$399K +7,410 +128%