PRME

Prime Medicine Inc$3.22 7.74%
Health CareUSCUSIP 74168J101· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
151
+13 QoQ
13F Value (tracked)
$310.6M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)27 adding · 10 trimming
Insider net (180d)$0

Price & smart-money activity

$3.22 7.74%4Y -79.1%
$1.09$6.50$11.90$17.30$22.70202220232024202520266191343315716418123231924202217232024217182943918393443292
Hover for who · click for detailEnd-of-day closing prices52w $2.70 – $6.67
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Ask your agent what changed in PRME

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/PRME/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for PRME.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

151 tracked 13F filers
2 source-reported value rows are withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1Alphabet Inc.
$57.6M
16.6M
Held
Q1 2026
2BlackRock, Inc.
$29.6M
8.5M
+2.8%
Added · +233K sh
Q1 2026
3STATE STREET CORP
$22.1M
6.3M
+25%
Added · +1.2M sh
Q1 2026
4ARK Investment Management LLC
$21.7M
6.2M
+16%
Added · +878K sh
Q1 2026
5T. Rowe Price Investment Management, Inc.
Withheld
5.5M
−8.6%
Reduced · −513K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$15.6M
4.5M
New
+4.5M sh
Q1 2026
7BALYASNY ASSET MANAGEMENT L.P.
$14.3M
4.1M
+32%
Added · +999K sh
Q1 2026
8Casdin Capital, LLC
$11.0M
3.2M
Held
Q1 2026
9Woodline Partners LP
$10.5M
3.0M
~0%
Added · +469 sh
Q1 2026
10Sumitomo Mitsui Trust Group, Inc.
$10.2M
2.9M
−9.4%
Reduced · −305K sh
Q1 2026
11Amova Asset Management Americas, Inc.
$10.2M
2.9M
−9.4%
Reduced · −305K sh
Q1 2026
12UBS Group AG
$10.1M
2.9M
+18%
Added · +448K sh
Q1 2026
13GEODE CAPITAL MANAGEMENT, LLC
$9.6M
2.7M
+4.4%
Added · +115K sh
Q1 2026
14ADAR1 Capital Management, LLC
$6.9M
2.0M
New
+2.0M sh
Q1 2026
15FMR LLC
$6.2M
1.8M
−19%
Reduced · −407K sh
Q1 2026
16Redmile Group, LLC
$5.5M
1.6M
New
+1.6M sh
Q1 2026
17TWO SIGMA INVESTMENTS, LP
$5.5M
1.6M
−3.5%
Reduced · −57K sh
Q1 2026
18D. E. Shaw & Co., Inc.
$4.8M
1.4M
−10%
Reduced · −158K sh
Q1 2026
19FARALLON CAPITAL MANAGEMENT LLC
$4.3M
1.2M
Held
Q1 2026
20GOLDMAN SACHS GROUP INC
$3.4M
970K
−45%
Reduced · −785K sh
Q1 2026
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$3.2M
917K
−2.1%
Reduced · −20K sh
Q1 2026
22NORTHERN TRUST CORP
$3.1M
887K
+5.3%
Added · +45K sh
Q1 2026
23VANGUARD PORTFOLIO MANAGEMENT LLC
$3.0M
862K
New
+862K sh
Q1 2026
24JPMORGAN CHASE & CO
$2.7M
844K
+94%
Added · +408K sh
Q1 2026
25RENAISSANCE TECHNOLOGIES LLC
$2.6M
741K
−36%
Reduced · −408K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
11
funds
Added
16
funds
Reduced
10
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Jun 5, 2026NELSEN ROBERTDirector, 10% OwnerGrant (A)75K$0
Jun 5, 2026Kelly Michael AaronDirectorGrant (A)75K$0
Jun 5, 2026Foster-Cheek Kaye IDirectorGrant (A)75K$0
Jun 5, 2026Cahill ThomasDirectorGrant (A)75K$0
Jun 5, 2026Schenkein David PDirectorGrant (A)75K$0
Jun 5, 2026Chung WendyDirectorGrant (A)75K$0
Jun 5, 2026Marrazzo Jeffrey DDirectorGrant (A)75K$0
Apr 16, 2026Makhni Svetlana NiChief Financial OfficerGrant (A)800K$0
Feb 26, 2026Reine AllanChief Executive Officer, DirectorGrant (A)1.3M$0
Feb 23, 2026Alenson CarmanSee RemarksGrant (A)140K$0
Feb 23, 2026LEE ANN L.Chief Technical OfficerGrant (A)375K$0
Aug 1, 2025GV 2021 GP, L.L.C.10% OwnerBuy (P)1.5M$5.0M

Institutional ownership over time

149 funds+63 since Q3 2024
075149Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $310.3M · 2 values withheld

Funds that own PRME also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT58 funds$23.0B
BROADCOM INCAVGO58 funds$13.7B
ELI LILLY & COLLY58 funds$6.0B
TESLA INCTSLA57 funds$8.4B
LAM RESEARCH CORPLRCX57 funds$3.1B
UNITEDHEALTH GROUP INCUNH57 funds$2.8B
AMAZON.COM INCAMZN56 funds$17.4B
META PLATFORMS INC-CLASS AMETA56 funds$10.7B
COSTCO WHOLESALE CORPCOST56 funds$4.7B
VISA INC-CLASS A SHARESV56 funds$4.6B
PALANTIR TECHNOLOGIES INC-APLTR56 funds$4.4B
ADVANCED MICRO DEVICESAMD56 funds$4.2B

Ranked by how many of PRME's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PRME. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.