Anaptysbio, Inc (ANAB) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

28,691,000Shares Outstanding
28,235,347Shares held by institutions
$1,650,920,774Value of institutional holdings
98.41%Institutional ownership %
3.02%Shares Changed QoQ
203No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Anaptysbio, Inc (NASDAQ:ANAB) showed up in the 13F filings of 203 institutional investors as of March 2026.

203 Institutional Holders

28,235,347 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
EcoR1 Capital, LLC 31 Mar, 2026 7,880,094 0 0.00% $437,030,013.00
BlackRock, Inc. 31 Mar, 2026 1,681,380 -53,050 -3.06% $93,249,334.00
TANG CAPITAL MANAGEMENT LLC 31 Mar, 2026 1,330,879 -1,208 -0.09% $73,810,549.00
Morgan Stanley 31 Mar, 2026 993,905 -40,657 -3.93% $55,121,984.00
State Street Corp 31 Mar, 2026 992,445 -61,029 -5.79% $55,041,000.00
Affinity Asset Advisors, LLC 31 Mar, 2026 940,000 495,308 111.38% $52,132,400.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 853,151 853,151 0.00% $47,315,754.00
Sanofi 31 Mar, 2026 821,917 0 0.00% $30,384,545.00
Palo Alto Investors LP 31 Mar, 2026 638,161 -51,871 -7.52% $35,392,409.00
683 Capital Management, LLC 31 Mar, 2026 625,000 -23,093 -3.56% $34,662,500.00
D. E. Shaw & Co., Inc. 31 Mar, 2026 579,296 -90,992 -13.58% $32,127,756.00
First Light Asset Management, LLC 31 Mar, 2026 565,431 -80,807 -12.50% $31,358,803.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 520,241 50,747 10.81% $28,858,610.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 519,870 519,870 0.00% $28,831,990.00
Bank Of America Corp /De/ 31 Mar, 2026 501,086 370,319 283.19% $27,790,230.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 31 Mar, 2026 492,120 -67,624 -12.08% $27,292,975.00
MILLENNIUM MANAGEMENT LLC 31 Mar, 2026 475,572 -337,999 -41.55% $26,375,223.00
FMR LLC 31 Mar, 2026 472,704 445,596 1,643.78% $26,216,167.00
TWO SIGMA INVESTMENTS, LP 31 Mar, 2026 465,083 208,448 81.22% $25,793,503.00
Federated Hermes, Inc. 31 Mar, 2026 364,121 64,705 21.61% $20,194,150.00