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Icosavax, Inc.

ICVXDelisted
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001786255

Icosavax, Inc. was delisted in 2024; its insiders filed their last Form 4 on Feb 20, 2024; 93 institutions reported holding it in 13F filings for Q4 2023, worth $664.5M in total; no superinvestor held it.

13F holders, Q4 2023

Institutional positions in Icosavax, Inc. as of Dec 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

ICVX is no longer listed, so this page shows Q4 2023. 13F filings for later quarters list far fewer holders.

Institutional holders
93
+29 vs. Q3 2023
Shares held
42.1M
−640.9K (−1.5%) vs. Q3 2023
Total value
$663.0M
+$332.0M (+100.3%) vs. Q3 2023
New holders
38
30 more added
Sold out
9
14 more reduced

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ICVX 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 holdersQ4 2023: 93 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 42 institutionsQ4 2021: 53 institutionsQ1 2022: 65 institutionsQ2 2022: 57 institutionsQ3 2022: 73 institutionsQ4 2022: 65 institutionsQ1 2023: 66 institutionsQ2 2023: 62 institutionsQ3 2023: 64 institutionsQ4 2023: 93 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2023: $664.5M
Q1 2021: $0Q2 2021: $0Q3 2021: $669.8MQ4 2021: $759.8MQ1 2022: $223.4MQ2 2022: $188.3MQ3 2022: $101.5MQ4 2022: $258.3MQ1 2023: $229.8MQ2 2023: $423.2MQ3 2023: $331.0MQ4 2023: $664.5MQ1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding ICVX and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 202393$664.5M
Q3 202364$331.0M
Q2 202362$423.2M
Q1 202366$229.8M
Q4 202265$258.3M
Q3 202273$101.5M
Q2 202257$188.3M
Q1 202265$223.4M
Q4 202153$759.8M
Q3 202142$669.8M
Q2 20210$0
Q1 20210$0

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Icosavax, Inc.; share changes are against Q3 2023.

Institutions holding ICVX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.5,963,565$94.0M1.47%00.0%Unchanged
T. Rowe Price Investment Management, Inc.3,926,407$61.9M0.04%−909,244−18.8%Reduced
TCG Crossover Management, LLC3,703,704$58.4M6.47%00.0%Unchanged
Qiming U.S. Ventures Management, LLC3,510,228$55.3M50.66%00.0%Unchanged
Pentwater Capital Management LP3,000,000$47.3M0.89%+3,000,000New
BlackRock Inc.2,581,530$40.7M0.00%+585,250+29.3%Added
FMR LLC2,240,524$35.3M0.00%−3,213,424−58.9%Reduced
Vanguard Group Inc1,830,058$28.8M0.00%−68,229−3.6%Reduced
Vivo Capital, LLC1,704,568$26.9M2.20%00.0%Unchanged
Alpine Associates Management Inc.1,456,700$23.0M1.18%+1,456,700New
Platinum Investment Management Ltd1,380,618$21.8M0.88%−955,374−40.9%Reduced
Laurion Capital Management LP952,060$15.0M0.54%+209,706+28.2%Added
Water Island Capital LLC876,000$13.8M1.42%+876,000New
Rock Springs Capital Management LP868,409$13.7M0.34%00.0%Unchanged
Geode Capital Management, LLC709,322$11.2M0.00%+28,943+4.3%Added
State Street Corp617,999$9.74M0.00%+83,966+15.7%Added
Segantii Capital Management Ltd515,000$8.12M0.47%+515,000New
TIG Advisors, LLC507,122$7.99M1.20%+507,122New
Marshall Wace, LLP494,715$7.80M0.01%+494,715New
Citigroup Inc440,892$6.95M0.01%+126,390+40.2%Added
Ikarian Capital, LLC440,000$6.93M1.90%+440,000New
Logos Global Management LP300,000$4.73M0.53%−2,465,741−89.2%Reduced
Goldman Sachs Group Inc295,984$4.66M0.00%+267,148+926.4%Added
Northern Trust Corp282,513$4.45M0.00%+10,904+4.0%Added
Citadel Advisors LLC275,779$4.35M0.00%−1,326,993−82.8%Reduced
UBS Group AG256,869$4.05M0.00%+242,325+1,666.2%Added
Gabelli Funds LLC254,257$4.01M0.03%+254,257New
Syquant Capital SAS190,654$3.00M13.56%+190,654New
CNH Partners LLC190,269$3.00M0.12%+190,269New
Gabelli & Co Investment Advisers, Inc.167,000$2.63M0.49%+167,000New
CSS LLC163,879$2.58M0.20%+163,879New
Renaissance Technologies LLC151,200$2.38M0.00%+151,200New
Millennium Management LLC116,443$1.84M0.00%+116,443New
Boothbay Fund Management, LLC105,555$1.66M0.06%+105,555New
Tudor Investment Corp Et Al100,001$1.58M0.02%+100,001New
Nuveen Asset Management, LLC99,101$1.56M0.00%+9,843+11.0%Added
Yakira Capital Management, Inc.98,061$1.55M0.50%+98,061New
Bank of New York Mellon Corp92,835$1.46M0.00%+872+0.9%Added
Charles Schwab Investment Management Inc82,642$1.30M0.00%+10,783+15.0%Added
Harvest Management LLC79,000$1.25M1.41%+79,000New
Polar Asset Management Partners Inc.75,000$1.18M0.03%+75,000New
Morgan Stanley65,803$1.04M0.00%+31,218+90.3%Added
HighTower Advisors, LLC59,096$931.0K0.00%+200.0%Added
Verition Fund Management LLC51,693$814.7K0.01%+51,693New
TD Asset Management Inc43,118$679.5K0.00%−14,000−24.5%Reduced
Rhumbline Advisers42,538$670.4K0.00%+1,767+4.3%Added
Y-Intercept (Hong Kong) Ltd39,135$616.8K0.06%+39,135New
Gamco Investors, Inc. Et Al38,994$614.5K0.01%+38,994New
Barclays PLC37,775$595.3K0.00%−164,407−81.3%Reduced
Equitec Proprietary Markets, LLC36,000$567.4K0.61%+36,000New
Alps Advisors Inc35,434$558.4K0.00%+35,434New
Bank of America Corp35,272$555.9K0.00%+1,967+5.9%Added
Dimensional Fund Advisors LP35,129$553.6K0.00%00.0%Unchanged
Jane Street Group, LLC33,981$535.5K0.00%+33,981New
JPMorgan Chase & Co29,594$466.4K0.00%+10,765+57.2%Added
Susquehanna Portfolio Strategies, LLC28,545$449.9K0.01%+28,545New
Alliancebernstein L.P.27,270$429.8K0.00%+1,880+7.4%Added
American Century Companies Inc25,785$406.4K0.00%+9,809+61.4%Added
Bank of Montreal24,900$393.4K0.00%+24,900New
D. E. Shaw & Co., Inc.23,715$373.7K0.00%+23,715New
Schonfeld Strategic Advisors LLC20,500$323.1K0.00%+20,500New
Allspring Global Investments Holdings, LLC18,708$294.8K0.00%+5,280+39.3%Added
PenderFund Capital Management Ltd.13,388$279.6K0.09%+13,388New
HRT Financial LP15,867$250.0K0.00%+15,867New
SG Americas Securities, LLC15,502$244.0K0.00%+963+6.6%Added
Balyasny Asset Management LLC15,381$242.4K0.00%+15,381New
MetLife Investment Management15,059$237.3K0.00%+2,361+18.6%Added
New York State Common Retirement Fund14,862$234.2K0.00%+3,847+34.9%Added
Susquehanna International Group, LLP13,981$220.3K0.00%+13,981New
American International Group, Inc.13,690$215.8K0.00%−56−0.4%Reduced
Voya Investment Management LLC11,560$182.2K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.11,449$180.4K0.00%+1,251+12.3%Added
Manufacturers Life Insurance Company, The11,065$174.4K0.00%−507−4.4%Reduced
Deutsche Bank AG11,003$173.4K0.00%+349+3.3%Added
Wells Fargo & Company8,547$134.7K0.00%+1,679+24.4%Added
Royal Bank of Canada8,509$134.0K0.00%+2,433+40.0%Added
Tower Research Capital LLC (TRC)6,728$106.0K0.00%+4,546+208.3%Added
China Universal Asset Management Co., Ltd.5,793$91.3K0.02%+5,793New
California State Teachers Retirement System4,533$71.4K0.00%−1,544−25.4%Reduced
Nisa Investment Advisors, LLC3,138$49.5K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,705$42.6K0.00%+830+44.3%Added
Federated Hermes, Inc.2,613$41.2K0.00%−1,072−29.1%Reduced
Legal & General Group Plc2,359$37.2K0.00%+128+5.7%Added
Amalgamated Bank2,078$33.0K0.00%−232−10.0%Reduced
Metropolitan Life Insurance Co1,497$23.6K0.00%00.0%Unchanged
Clearstead Advisors, LLC1,426$22.5K0.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.850$13.4K0.00%00.0%Unchanged
Simplex Trading, LLC675$10.0K0.00%+271+67.1%Added
Fortitude Family Office, LLC559$8.81K0.01%+559New
Cutler Group LP500$7.00K0.00%+500New
Group One Trading, L.P.393$6.19K0.00%−2,107−84.3%Reduced
Covestor Ltd412$6.00K0.00%+412New
Daiwa Securities Group Inc.205$3.00K0.00%+205New
Adams Street Partners LLC0$00.00%−2,179,964−100.0%Sold out
Velan Capital Investment Management LP0$00.00%−160,630−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−123,200−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−35,000−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−25,618−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−17,600−100.0%Sold out
Franklin Resources Inc0$00.00%−10,000−100.0%Sold out