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Prime Medicine, Inc.

PRME
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001894562

No open-market purchases or sales by Prime Medicine, Inc. insiders were filed in the last 90 days; 187 institutions reported holding it in 13F filings for Q2 2026, worth $393.5M in total; ARK Invest is the only superinvestor holding it.

13F holders, Q3 2024

Institutional positions in Prime Medicine, Inc. as of Sep 30, 2024. 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
116
−3 vs. Q2 2024
Shares held
68.7M
+5.01M (+7.9%) vs. Q2 2024
Total value
$265.9M
−$61.5M (−18.8%) vs. Q2 2024
New holders
15
38 more added
Sold out
18
33 more reduced

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PRME 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 holdersQ3 2024: 116 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 66 institutionsQ1 2023: 76 institutionsQ2 2023: 79 institutionsQ3 2023: 83 institutionsQ4 2023: 105 institutionsQ1 2024: 115 institutionsQ2 2024: 122 institutionsQ3 2024: 116 institutionsQ4 2024: 132 institutionsQ1 2025: 125 institutionsQ2 2025: 121 institutionsQ3 2025: 167 institutionsQ4 2025: 183 institutionsQ1 2026: 192 institutionsQ2 2026: 187 institutions
Value heldQ3 2024: $265.9M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $767.8MQ1 2023: $512.1MQ2 2023: $675.7MQ3 2023: $472.3MQ4 2023: $431.4MQ1 2024: $466.6MQ2 2024: $354.0MQ3 2024: $265.9MQ4 2024: $188.0MQ1 2025: $120.4MQ2 2025: $145.0MQ3 2025: $511.5MQ4 2025: $336.5MQ1 2026: $342.6MQ2 2026: $393.5M
Institutions holding PRME and their total value by quarter
QuarterHoldersValue
Q2 2026187$393.5M
Q1 2026192$342.6M
Q4 2025183$336.5M
Q3 2025167$511.5M
Q2 2025121$145.0M
Q1 2025125$120.4M
Q4 2024132$188.0M
Q3 2024116$265.9M
Q2 2024122$354.0M
Q1 2024115$466.6M
Q4 2023105$431.4M
Q3 202383$472.3M
Q2 202379$675.7M
Q1 202376$512.1M
Q4 202266$767.8M
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Prime Medicine, Inc.; share changes are against Q2 2024.

Institutions holding PRME in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Alphabet Inc.15,062,498$58.3M3.16%00.0%Unchanged
ARK Investment Management LLCSuperinvestorARK Invest5,660,719$21.9M0.20%−466,054−7.6%Reduced
BlackRock, Inc.5,266,775$20.4M0.00%+5,266,775New
Vanguard Group Inc4,890,313$18.9M0.00%−1,188,540−19.6%Reduced
T. Rowe Price Investment Management, Inc.3,807,287$14.7M0.01%+81,560+2.2%Added
FMR LLC3,743,312$14.5M0.00%−184,541−4.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.3,190,455$12.3M0.01%−47,930−1.5%Reduced
Nikko Asset Management Americas, Inc.3,182,455$12.3M0.14%−55,930−1.7%Reduced
Millennium Management LLC2,198,240$8.51M0.01%+867,313+65.2%Added
Redmile Group, LLC2,074,350$8.03M0.47%00.0%Unchanged
MWG Management Limited1,792,210$6.94M7.68%00.0%Unchanged
Price T Rowe Associates Inc1,545,961$5.98M0.00%00.0%Unchanged
Geode Capital Management, LLC1,359,979$5.26M0.00%+63,456+4.9%Added
State Street Corp1,146,949$4.44M0.00%+43,086+3.9%Added
Vestal Point Capital, LP1,070,000$4.14M0.33%+620,000+137.8%Added
Baker Bros. Advisors LP1,028,466$3.98M0.04%00.0%Unchanged
Deerfield Management Company, L.P. (Series C)896,960$3.47M0.05%00.0%Unchanged
Farallon Capital Management, L.L.C.750,000$2.90M0.02%00.0%Unchanged
Greenwich Wealth Management LLC733,001$2.84M0.19%+80,000+12.3%Added
EcoR1 Capital, LLC700,000$2.71M0.09%00.0%Unchanged
Avidity Partners Management LP694,000$2.69M0.14%00.0%Unchanged
Samsara BioCapital, LLC540,304$2.09M0.40%00.0%Unchanged
Northern Trust Corp524,548$2.03M0.00%+131,031+33.3%Added
Moore Capital Management, LP500,000$1.94M0.06%00.0%Unchanged
Bank of America Corp485,125$1.88M0.00%+57,729+13.5%Added
Charles Schwab Investment Management Inc463,977$1.80M0.00%−28,284−5.7%Reduced
Westwood Holdings Group Inc.449,476$1.74M0.01%+90,896+25.3%Added
Nuveen Asset Management, LLC392,443$1.52M0.00%00.0%Unchanged
Casdin Capital, LLC367,175$1.42M0.09%00.0%Unchanged
Bollard Group LLC361,136$1.40M0.04%00.0%Unchanged
Two Sigma Investments, LP318,573$1.23M0.00%−362,903−53.3%Reduced
Morgan Stanley300,391$1.16M0.00%+116,426+63.3%Added
Trexquant Investment LP242,160$937.2K0.01%+13,945+6.1%Added
Goldman Sachs Group Inc220,144$852.0K0.00%+140,777+177.4%Added
Wells Fargo & Company171,468$663.6K0.00%+151,110+742.3%Added
D. E. Shaw & Co., Inc.139,451$539.7K0.00%+94,016+206.9%Added
FIL Ltd129,861$502.6K0.00%−8,415−6.1%Reduced
Bank of New York Mellon Corp129,714$502.0K0.00%−40,849−23.9%Reduced
Squarepoint Ops LLC124,369$481.3K0.00%+60,908+96.0%Added
Two Sigma Advisers, LP119,900$464.0K0.00%−56,600−32.1%Reduced
Susquehanna International Group, LLP115,054$445.3K0.00%+9,162+8.7%Added
Deutsche Bank AG114,907$444.7K0.00%−346,088−75.1%Reduced
Walleye Capital LLC108,374$419.4K0.00%+108,374New
Gsa Capital Partners LLP99,060$383.0K0.03%+99,060New
Vestmark Advisory Solutions, Inc.90,036$348.4K0.01%−13,476−13.0%Reduced
Barclays PLC84,697$327.8K0.00%+65,593+343.3%Added
Chelsea Counsel Co78,690$304.5K0.15%+1,000+1.3%Added
Sphera Funds Management Ltd.76,456$295.9K0.05%−50,968−40.0%Reduced
Alliancebernstein L.P.76,000$294.1K0.00%+5,810+8.3%Added
Rhumbline Advisers70,047$271.1K0.00%−60−0.1%Reduced
Jane Street Group, LLC57,548$222.7K0.00%−110,869−65.8%Reduced
Citadel Advisors LLC50,995$197.4K0.00%+38,269+300.7%Added
Citigroup Inc48,071$186.0K0.00%+30,560+174.5%Added
SG Americas Securities, LLC46,982$182.0K0.00%+46,982New
PEAK6 Investments LLC45,013$174.2K0.01%+11,013+32.4%Added
TD Asset Management Inc46,434$160.7K0.00%00.0%Unchanged
Verition Fund Management LLC38,545$149.2K0.00%+38,545New
JPMorgan Chase & Co37,382$144.7K0.00%−805−2.1%Reduced
UBS Group AG35,021$135.5K0.00%+12,482+55.4%Added
MetLife Investment Management34,128$132.1K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.31,127$120.5K0.00%+11,603+59.4%Added
Corebridge Financial, Inc.30,325$117.4K0.00%−187−0.6%Reduced
Levin Capital Strategies, L.P.30,000$116.1K0.01%+30,000New
Ameriprise Financial Inc28,801$111.5K0.00%−1,095−3.7%Reduced
Envestnet Asset Management Inc28,355$109.7K0.00%+6,695+30.9%Added
Davy Global Fund Management Ltd28,113$108.8K0.01%+9,199+48.6%Added
Voloridge Investment Management, LLC27,119$105.0K0.00%−18,634−40.7%Reduced
Manufacturers Life Insurance Company, The23,395$90.5K0.00%−743−3.1%Reduced
Benjamin Edwards Inc23,196$89.6K0.00%+23,010+12,371.0%Added
China Universal Asset Management Co., Ltd.23,086$89.3K0.01%+8,985+63.7%Added
HighTower Advisors, LLC21,675$83.0K0.00%−559−2.5%Reduced
Renaissance Technologies LLC20,000$77.4K0.00%+20,000New
Corsair Capital Management, L.P.20,000$77.4K0.02%+20,000New
Voya Investment Management LLC19,184$74.2K0.00%00.0%Unchanged
Oppenheimer & Co Inc17,871$69.2K0.00%−3,160−15.0%Reduced
ProShare Advisors LLC17,811$68.9K0.00%+5,104+40.2%Added
Clarius Group, LLC16,080$62.2K0.00%00.0%Unchanged
Pathstone Holdings, LLC14,370$55.6K0.00%+14,370New
Intech Investment Management LLC14,102$54.6K0.00%+14,102New
Invesco Ltd.14,023$54.3K0.00%+586+4.4%Added
Virtus ETF Advisers LLC11,670$45.2K0.02%+211+1.8%Added
Paloma Partners Management Co11,587$44.8K0.00%+11,587New
State Board of Administration of Florida Retirement System11,420$44.2K0.00%00.0%Unchanged
Acadian Asset Management LLC10,886$42.0K0.00%+10,886New
Royal Bank of Canada10,685$41.0K0.00%+4,547+74.1%Added
CIBC World Markets Inc.10,222$40.0K0.00%−1,113−9.8%Reduced
Brown Brothers Harriman & Co10,065$39.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.9,901$38.3K0.00%−800−7.5%Reduced
New York State Common Retirement Fund8,434$32.6K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)8,049$31.1K0.00%+2,892+56.1%Added
Legal & General Group Plc6,279$24.3K0.00%00.0%Unchanged
National Bank of Canada4,522$17.5K0.00%−1,678−27.1%Reduced
California State Teachers Retirement System4,110$15.9K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.3,901$15.1K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.4,341$15.0K0.00%+757+21.1%Added
Signaturefd, LLC1,410$5.46K0.00%+410+41.0%Added
Amalgamated Bank1,347$5.00K0.00%00.0%Unchanged
Abich Financial Wealth Management LLC1,247$4.83K0.01%+941+307.5%Added
First Horizon Advisors, Inc.1,109$4.29K0.00%−25−2.2%Reduced
Quadrant Capital Group LLC966$3.74K0.00%+966New