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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 2023

Institutional positions in Anaptysbio, Inc as of Mar 31, 2023. 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
113
−5 vs. Q4 2022
Shares held
31.0M
−1.84M (−5.6%) vs. Q4 2022
Total value
$675.4M
−$343.4M (−33.7%) vs. Q4 2022
New holders
15
35 more added
Sold out
20
36 more reduced

Compare with Q4 2022: 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 2023: 113 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 2023: $675.4M
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 2023

Shares, value and share of portfolio for each institution holding Anaptysbio, Inc; share changes are against Q4 2022.

Institutions holding ANAB in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
EcoR1 Capital, LLC7,521,024$163.7M5.28%00.0%Unchanged
Tang Capital Management LLC2,032,561$44.2M6.59%−596,117−22.7%Reduced
BlackRock Inc.1,895,494$41.2M0.00%+39,228+2.1%Added
Vanguard Group Inc1,819,126$39.6M0.00%+42,218+2.4%Added
Point72 Asset Management, L.P.1,681,147$36.6M0.13%−443,053−20.9%Reduced
Federated Hermes, Inc.1,339,758$29.2M0.07%−1,033,265−43.5%Reduced
Boxer Capital, LLC1,300,000$28.3M1.39%00.0%Unchanged
State Street Corp1,149,947$25.0M0.00%+48,766+4.4%Added
Braidwell LP973,073$21.2M0.70%+246,951+34.0%Added
Dimensional Fund Advisors LP958,660$20.9M0.01%+16,528+1.8%Added
Frazier Life Sciences Management, L.P.899,700$19.6M1.42%00.0%Unchanged
Great Point Partners LLC804,333$17.5M3.46%+789,333+5,262.2%Added
Baker Bros. Advisors LP775,924$16.9M0.09%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)613,000$13.3M0.30%−548,826−47.2%Reduced
Rock Springs Capital Management LP576,600$12.5M0.30%00.0%Unchanged
Assenagon Asset Management S.A.495,054$10.8M0.04%−198,100−28.6%Reduced
Woodline Partners LP459,562$10.0M0.14%−187,983−29.0%Reduced
Palo Alto Investors LP431,224$9.38M0.78%+2000.0%Added
Geode Capital Management, LLC398,406$8.67M0.00%+6,642+1.7%Added
5AM Venture Management, LLC357,733$7.78M1.99%00.0%Unchanged
Northern Trust Corp332,560$7.24M0.00%−7,105−2.1%Reduced
Blackstone Group Inc.328,720$7.15M0.03%00.0%Unchanged
FMR LLC292,117$6.36M0.00%+1,201+0.4%Added
Laurion Capital Management LP263,208$5.73M0.26%00.0%Unchanged
Millennium Management LLC260,113$5.66M0.01%−62,689−19.4%Reduced
JPMorgan Chase & Co213,741$4.65M0.00%−343−0.2%Reduced
D. E. Shaw & Co., Inc.207,052$4.51M0.01%+32,854+18.9%Added
Goldman Sachs Group Inc185,600$4.04M0.00%+78,025+72.5%Added
Jacobs Levy Equity Management, Inc159,507$3.47M0.02%+159,507New
Charles Schwab Investment Management Inc149,386$3.25M0.00%+555+0.4%Added
ExodusPoint Capital Management, LP134,042$2.92M0.03%+38,784+40.7%Added
UBS Oconnor LLC115,479$2.51M0.06%+115,479New
Bank of America Corp114,761$2.50M0.00%+36,383+46.4%Added
Morgan Stanley98,630$2.15M0.00%+2,714+2.8%Added
Macquarie Group Ltd93,732$2.04M0.00%00.0%Unchanged
Ameriprise Financial Inc86,831$1.89M0.00%+34,426+65.7%Added
Citadel Advisors LLC80,219$1.75M0.00%−200,323−71.4%Reduced
Rafferty Asset Management, LLC77,334$1.68M0.01%+7,040+10.0%Added
Nuveen Asset Management, LLC76,215$1.66M0.00%−83,479−52.3%Reduced
Bank of New York Mellon Corp76,004$1.65M0.00%−1,043−1.4%Reduced
Renaissance Technologies LLC71,600$1.56M0.00%+71,600New
Two Sigma Investments, LP70,945$1.54M0.00%+44,310+166.4%Added
Fisher Asset Management, LLC70,654$1.54M0.00%−6,896−8.9%Reduced
Two Sigma Advisers, LP68,900$1.50M0.00%−17,900−20.6%Reduced
Citigroup Inc64,722$1.41M0.00%+30,477+89.0%Added
Susquehanna International Group, LLP59,090$1.29M0.00%+42,760+261.8%Added
SG Americas Securities, LLC58,090$1.26M0.02%+23,855+69.7%Added
Ensign Peak Advisors, Inc43,442$945.3K0.00%00.0%Unchanged
Swiss National Bank36,900$802.9K0.00%−4,000−9.8%Reduced
FMB Wealth Management35,592$774.5K0.92%−3,667−9.3%Reduced
Barclays PLC34,354$747.5K0.00%−5,997−14.9%Reduced
Rhumbline Advisers33,474$728.0K0.00%+343+1.0%Added
BNP Paribas Arbitrage, SA32,565$708.6K0.00%+16,775+106.2%Added
Squarepoint Ops LLC30,102$655.0K0.00%+13,319+79.4%Added
Alliancebernstein L.P.28,600$622.3K0.00%−4,000−12.3%Reduced
Jupiter Asset Management Ltd27,991$607.7K0.01%−31,776−53.2%Reduced
Martingale Asset Management L P26,917$585.7K0.01%+800+3.1%Added
HighVista Strategies LLC25,219$548.8K0.45%+11,215+80.1%Added
Marshall Wace, LLP24,397$530.9K0.00%+24,397New
Trexquant Investment LP23,603$513.6K0.01%+23,603New
California State Teachers Retirement System22,520$490.0K0.00%−283−1.2%Reduced
Credit Suisse AG21,260$462.6K0.00%+1,880+9.7%Added
Candriam Luxembourg S.C.A.20,205$404.7K0.00%+20,205New
Alps Advisors Inc18,399$400.4K0.00%−887−4.6%Reduced
Public Employees Retirement System of Ohio17,972$391.0K0.00%+17,972New
UBS Asset Management Americas Inc16,921$368.2K0.00%+16,921New
Russell Investments Group, Ltd.16,892$367.6K0.00%+15,874+1,559.3%Added
Wells Fargo & Company16,480$358.6K0.00%+16,480New
State of Wisconsin Investment Board15,310$333.1K0.00%−1,703−10.0%Reduced
Tudor Investment Corp Et Al15,184$330.0K0.01%+15,184New
Deutsche Bank AG14,483$315.1K0.00%−21,818−60.1%Reduced
Profund Advisors LLC14,463$314.7K0.02%+14,463New
Dynamic Technology Lab Private Ltd12,820$279.0K0.03%+12,820New
New York State Common Retirement Fund12,642$275.1K0.00%−4,500−26.3%Reduced
Mirae Asset Global Investments Co., Ltd.12,235$266.2K0.00%+12,235New
Jane Street Group, LLC11,957$260.2K0.00%+2,310+23.9%Added
MetLife Investment Management11,043$240.3K0.00%00.0%Unchanged
Principal Financial Group Inc10,663$232.0K0.00%−265−2.4%Reduced
Walleye Capital LLC10,235$222.7K0.00%−1,144−10.1%Reduced
American International Group, Inc.9,780$212.8K0.00%+195+2.0%Added
Legal & General Group Plc9,369$203.9K0.00%+505+5.7%Added
Public Employees Retirement Association of Colorado6,224$135.0K0.00%00.0%Unchanged
Quantbot Technologies LP4,100$89.2K0.01%+4,100New
UBS Group AG3,504$76.2K0.00%−48,287−93.2%Reduced
Virtus ETF Advisers LLC3,448$75.0K0.04%−1,326−27.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)2,662$57.9K0.00%+123+4.8%Added
Amalgamated Bank2,045$44.0K0.00%−470−18.7%Reduced
Ameritas Investment Partners, Inc.1,512$32.9K0.00%00.0%Unchanged
Amundi1,538$32.8K0.00%00.0%Unchanged
Metropolitan Life Insurance Co1,211$26.4K0.00%00.0%Unchanged
Royal Bank of Canada1,142$25.0K0.00%−1,148−50.1%Reduced
Nisa Investment Advisors, LLC1,003$22.0K0.00%+100+11.1%Added
Tower Research Capital LLC (TRC)862$19.0K0.00%+433+100.9%Added
US Bancorp754$16.4K0.00%−28−3.6%Reduced
Great West Life Assurance Co750$16.0K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.385$8.38K0.00%+96+33.2%Added
Whittier Trust Co307$6.68K0.00%00.0%Unchanged
Signaturefd, LLC258$5.61K0.00%−74−22.3%Reduced
Advisory Services Network, LLC230$5.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.164$3.57K0.00%00.0%Unchanged