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Anaptysbio, Inc

ANAB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001370053

No open-market purchases or sales by Anaptysbio, Inc insiders were filed in the last 90 days; 213 institutions reported holding it in 13F filings for Q2 2026, worth $2.03B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Anaptysbio, Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
208
+31 vs. Q4 2025
Shares held
28.3M
+441.4K (+1.6%) vs. Q4 2025
Total value
$1.55B
+$203.4M (+15.1%) vs. Q4 2025
New holders
51
59 more added
Sold out
20
70 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ANAB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 208 institutions
Q1 2021: 122 institutionsQ2 2021: 122 institutionsQ3 2021: 127 institutionsQ4 2021: 136 institutionsQ1 2022: 131 institutionsQ2 2022: 124 institutionsQ3 2022: 114 institutionsQ4 2022: 118 institutionsQ1 2023: 113 institutionsQ2 2023: 116 institutionsQ3 2023: 116 institutionsQ4 2023: 119 institutionsQ1 2024: 133 institutionsQ2 2024: 135 institutionsQ3 2024: 160 institutionsQ4 2024: 136 institutionsQ1 2025: 153 institutionsQ2 2025: 148 institutionsQ3 2025: 166 institutionsQ4 2025: 179 institutionsQ1 2026: 208 institutionsQ2 2026: 213 institutions
Value heldQ1 2026: $1.55B
Q1 2021: $628.6MQ2 2021: $720.6MQ3 2021: $748.8MQ4 2021: $964.4MQ1 2022: $735.4MQ2 2022: $632.6MQ3 2022: $830.6MQ4 2022: $1.02BQ1 2023: $675.4MQ2 2023: $614.9MQ3 2023: $544.5MQ4 2023: $646.4MQ1 2024: $658.1MQ2 2024: $746.6MQ3 2024: $1.13BQ4 2024: $468.9MQ1 2025: $742.8MQ2 2025: $816.2MQ3 2025: $980.2MQ4 2025: $1.42BQ1 2026: $1.55BQ2 2026: $2.03B
Institutions holding ANAB and their total value by quarter
QuarterHoldersValue
Q2 2026213$2.03B
Q1 2026208$1.55B
Q4 2025179$1.42B
Q3 2025166$980.2M
Q2 2025148$816.2M
Q1 2025153$742.8M
Q4 2024136$468.9M
Q3 2024160$1.13B
Q2 2024135$746.6M
Q1 2024133$658.1M
Q4 2023119$646.4M
Q3 2023116$544.5M
Q2 2023116$614.9M
Q1 2023113$675.4M
Q4 2022118$1.02B
Q3 2022114$830.6M
Q2 2022124$632.6M
Q1 2022131$735.4M
Q4 2021136$964.4M
Q3 2021127$748.8M
Q2 2021122$720.6M
Q1 2021122$628.6M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Anaptysbio, Inc; share changes are against Q4 2025.

Institutions holding ANAB in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Mirae Asset Global ETFs Holdings Ltd.10,486$581.4K0.00%−155−1.5%Reduced
Brevan Howard Capital Management LP11,028$611.6K0.01%+11,028New
JPMorgan Chase & Co11,645$645.0K0.00%+729+6.7%Added
Vanguard Global Advisers, LLC11,754$651.9K0.00%+11,754New
Profund Advisors LLC12,202$676.7K0.02%−886−6.8%Reduced
Oxford Asset Management LLP12,676$703.0K0.28%+12,676New
Brinker Capital Investments, LLC13,129$728.1K0.01%−1,568−10.7%Reduced
Acadian Asset Management LLC13,219$730.0K0.00%+7,410+127.6%Added
Russell Investments Group, Ltd.13,288$737.0K0.00%−6,426−32.6%Reduced
Brookwood Investment Group LLC13,362$741.1K0.09%+13,362New
Legal & General Group Plc13,831$767.1K0.00%−4,349−23.9%Reduced
Cresset Asset Management, LLC13,868$769.1K0.00%−1,253−8.3%Reduced
Gotham Asset Management, LLC13,972$774.9K0.00%+13,972New
California State Teachers Retirement System14,000$776.4K0.00%−138−1.0%Reduced
Voya Investment Management LLC14,346$795.6K0.00%+1,586+12.4%Added
Twinbeech Capital LP14,518$805.2K0.08%+14,518New
Canada Pension Plan Investment Board14,900$826.4K0.00%+14,900New
Los Angeles Capital Management LLC15,664$868.7K0.00%+563+3.7%Added
Virginia Retirement Systems Et Al16,050$890.1K0.01%+10,200+174.4%Added
Creative Planning16,836$933.7K0.00%+1,582+10.4%Added
PDT Partners, LLC17,595$975.8K0.06%−25,406−59.1%Reduced
Walleye Capital LLC18,425$1.02M0.01%+18,425New
DCF Advisers, LLC18,775$1.04M0.39%−16,475−46.7%Reduced
Credit Agricole S A20,000$1.11M0.00%−20,000−50.0%Reduced
Hussman Strategic Advisors, Inc.21,000$1.16M0.25%+21,000New
J. Goldman & Co LP21,205$1.18M0.05%+21,205New
Y-Intercept (Hong Kong) Ltd22,701$1.26M0.02%−10,400−31.4%Reduced
Rhumbline Advisers23,848$1.32M0.00%−1,184−4.7%Reduced
Headlands Technologies LLC24,558$1.36M0.16%−720−2.8%Reduced
SG Americas Securities, LLC24,851$1.38M0.00%+14,423+138.3%Added
Susquehanna International Group, LLP26,577$1.47M0.00%+26,577New
Eversept Partners, LP27,089$1.50M0.10%−93,838−77.6%Reduced
Rafferty Asset Management, LLC27,249$1.51M0.01%−8,061−22.8%Reduced
Alliancebernstein L.P.31,320$1.52M0.00%+800+2.6%Added
Swiss National Bank27,600$1.53M0.00%00.0%Unchanged
State of Wisconsin Investment Board27,619$1.53M0.00%+18,664+208.4%Added
Engineers Gate Manager LP27,815$1.54M0.02%+16,935+155.7%Added
Martingale Asset Management L P28,142$1.56M0.04%+28,142New
Jacobs Levy Equity Management, Inc28,625$1.59M0.01%−26,463−48.0%Reduced
Price T Rowe Associates Inc29,691$1.65M0.00%+3,686+14.2%Added
UBS Asset Management Americas Inc30,727$1.70M0.00%+219+0.7%Added
Tema ETFs LLC31,069$1.72M0.12%+8,509+37.7%Added
AQR Capital Management LLC32,467$1.80M0.00%+6,158+23.4%Added
Wells Fargo & Company33,180$1.84M0.00%+10,973+49.4%Added
Virtu Financial LLC33,323$1.85M0.08%+33,323New
Mackenzie Financial Corp33,720$1.87M0.00%+9,492+39.2%Added
Susquehanna Portfolio Strategies, LLC35,948$1.99M0.03%00.0%Unchanged
Toroso Investments, LLC36,352$2.02M0.01%+36,352New
Moody Aldrich Partners LLC39,455$2.19M0.39%−8,146−17.1%Reduced
HRT Financial LP40,504$2.25M0.01%−29,626−42.2%Reduced
Bleakley Financial Group, LLC43,120$2.39M0.04%−427−1.0%Reduced
Penserra Capital Management LLC43,430$2.41M0.03%−12,922−22.9%Reduced
Wellington Management Group LLP46,881$2.60M0.00%−14,306−23.4%Reduced
XTX Topco Ltd50,537$2.80M0.05%+11,900+30.8%Added
Bank of New York Mellon Corp51,115$2.83M0.00%−4,230−7.6%Reduced
Deutsche Bank AG52,038$2.89M0.00%+37,657+261.9%Added
Point72 Asset Management, L.P.55,303$3.07M0.01%−1,877,587−97.1%Reduced
Fisher Asset Management, LLC56,596$3.14M0.00%+32+0.1%Added
Prudential Financial Inc64,050$3.55M0.00%+64,050New
Franklin Resources Inc65,820$3.65M0.00%+65,820New
Granahan Investment Management Inc66,182$3.67M0.18%−59,673−47.4%Reduced
Marshall Wace, LLP68,047$3.77M0.00%+68,047New
Citigroup Inc73,406$4.07M0.00%−47−0.1%Reduced
Voloridge Investment Management, LLC78,952$4.38M0.02%−150,185−65.5%Reduced
UBS Group AG79,670$4.42M0.00%+9,638+13.8%Added
Trexquant Investment LP85,167$4.72M0.03%+26,358+44.8%Added
Jane Street Group, LLC86,038$4.77M0.01%+1,591+1.9%Added
Renaissance Technologies LLC90,900$5.04M0.01%+14,600+19.1%Added
Nomura Asset Management International Inc.93,732$5.20M0.01%00.0%Unchanged
HighMark Wealth Management LLC94,050$5.22M2.12%00.0%Unchanged
BNP Paribas Arbitrage, SA96,971$5.38M0.00%−67,852−41.2%Reduced
Victory Capital Management Inc108,203$6.00M0.00%−2,380−2.2%Reduced
Invesco Ltd.121,103$6.72M0.00%−2,903−2.3%Reduced
Ensign Peak Advisors, Inc125,633$6.97M0.01%−89,821−41.7%Reduced
HSBC Holdings PLC125,717$7.14M0.00%+125,717New
Vanguard Fiduciary Trust Co135,082$7.49M0.00%+135,082New
Connor, Clark & Lunn Investment Management Ltd.158,562$8.79M0.02%+36,086+29.5%Added
Northern Trust Corp183,519$10.2M0.00%+1,635+0.9%Added
Charles Schwab Investment Management Inc192,687$10.7M0.00%−5,973−3.0%Reduced
Citadel Advisors LLC233,450$12.9M0.01%+123,967+113.2%Added
Apis Capital Advisors, LLC238,000$13.2M2.04%+238,000New
Sofinnova Investments, Inc.248,253$13.8M0.69%−39,437−13.7%Reduced
Qube Research & Technologies Ltd254,736$14.1M0.02%+145,771+133.8%Added
Squarepoint Ops LLC267,703$14.8M0.03%+106,972+66.6%Added
Nuveen, LLC316,065$17.5M0.00%−620−0.2%Reduced
Synergy Financial Management, LLC317,106$17.6M1.87%+317,106New
Goldman Sachs Group Inc332,743$18.5M0.00%−66,171−16.6%Reduced
Woodline Partners LP344,256$19.1M0.07%−156,767−31.3%Reduced
Federated Hermes, Inc.364,121$20.2M0.03%+64,705+21.6%Added
Two Sigma Investments, LP465,083$25.8M0.02%+208,448+81.2%Added
FMR LLC472,704$26.2M0.00%+445,596+1,643.8%Added
Millennium Management LLC475,572$26.4M0.02%−337,999−41.5%Reduced
Arrowstreet Capital, Limited Partnership492,120$27.3M0.01%−67,624−12.1%Reduced
Bank of America Corp501,086$27.8M0.00%+370,319+283.2%Added
Vanguard Portfolio Management LLC519,870$28.8M0.00%+519,870New
Geode Capital Management, LLC520,241$28.9M0.00%+50,747+10.8%Added
Sanofi821,917$30.4M9.04%00.0%Unchanged
First Light Asset Management, LLC565,431$31.4M2.81%−80,807−12.5%Reduced
D. E. Shaw & Co., Inc.579,296$32.1M0.03%−90,992−13.6%Reduced
683 Capital Management, LLC625,000$34.7M3.22%−23,093−3.6%Reduced