Prime Medicine, Inc. - COMMON STOCK (PRME)

CUSIP: 74168J101

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
+459,922
SEC-reported price per share
$3.06
Number of holders
42
Value change
+$1,368,418
Number of buys
20
Number of sells
16
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
181,672,212

Security key

74168J101

Report period

Q3 2026

Institutions

42

Top holders

10

Ownership snapshot

Top reported holders of PRME - Prime Medicine, Inc. - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
GV 2019, L.P.
Disclosed value leader
GV 2019 GP, L.L.C.
Comparable rows
5/15
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 12% 10 rows are not safely comparable across share classes. 13D/G row: GV 2019, L.P. Showing 1-6 of 15 holder rows.

Quick read

GV 2019, L.P. leads the comparable SEC ownership view at 12%.

5 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens GV 2019, L.P.'s linked filing trail.
Comparable ownership Top 5
GV 2019, L.P. 12%
ARCH Venture Fund XII, L.P. 10%
Newpath Partners, L.P. 4.7%
FMR LLC 3.8%
T. Rowe Price Investment Manageme... 3.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
GV 2019, L.P.
13D/G
Alphabet Holdings LLC
12%
Reported 13D/G · 30 Sep 2025
$91,756,239
16,562,498 shares
$0 30 Sep 2025
ARCH Venture Fund XII, L.P.
13D/G
Robert Nelsen
10%
Reported 13D/G · 07 Aug 2025
$80,853,607
18,587,036 shares
$0 07 Aug 2025
Newpath Partners, L.P.
13D/G
4.7%
Reported 13D/G · 31 Dec 2024
$9,769,086
6,105,679 shares
$0 31 Dec 2024
FMR LLC
3/4/5 13D/G 13F
Other* · Company
3.8%
Reported 13D/G · 30 Sep 2025
$126,699,612
8,462,946 shares
— 24 Oct 2022
T. Rowe Price Investment Management, Inc.
13D/G 13F
Company
3.3%
Reported 13D/G · 31 Dec 2025
$25,659,383
5,995,183 shares
-$13,874,784 31 Dec 2025
GV 2019 GP, L.L.C.
3/4/5
10%+ Owner
—
denominator unverified
$177,594,643
11,862,498 shares
— 20 Jun 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
42
Shares
21,453,869
Rows available
42
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
186
Q3 2026 holders
42
Holder diff
-144
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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