SEC ownership of Replimune Group, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001737953.

Comparable stake leader

BAKER BROS. ADVISORS LP

Disclosed value leader

BAKER BROS. ADVISORS LP

Comparable rows

50/50

Latest evidence

14 May 2026

Ownership snapshot 2 signals
Latest 13D/G holder
BAKER BROS. ADVISORS LP
Latest parsed evidence date
14 May 2026
Issuer 2 identity fields
CIK
0001737953
Location
Woburn, MA

Ownership snapshot

Top shareholders of Replimune Group, Inc. (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
BAKER BROS. ADVISORS LP
Disclosed value leader
BAKER BROS. ADVISORS LP
Comparable rows
50/50
Latest evidence
14 May 2026
3/4/5 13D/G 13F Lead comparable stake: 14% 13D/G row: BAKER BROS. ADVISORS LP Showing 1-8 of 50 holder rows.

Quick read

BAKER BROS. ADVISORS LP leads the comparable SEC ownership view at 14%.

50 of 50 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.

Comparable ownership Top 5
BAKER BROS. ADVISORS LP 14%
RTW INVESTMENTS, LP 8.9%
Ridgeback Capital Investments L.P. 7.6%
SUVRETTA CAPITAL MANAGEMENT, LLC 5.1%
VANGUARD GROUP INC 4.8%

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

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BAKER BROS. ADVISORS LP
3/4/5 13D/G 13F
Director, 10%+ Owner · Company
14%
from 13D/G
$125,641,900
10,160,595 shares
mixed-class rows
01 Apr 2026
RTW INVESTMENTS, LP
13F 13D/G
Company
8.9%
from 13D/G
$56,280,407
7,356,916 shares
31 Mar 2026
Ridgeback Capital Investments L.P.
13D/G
7.6%
$11,629,931
6,252,651 shares
$0 14 May 2026
SUVRETTA CAPITAL MANAGEMENT, LLC
13F 13D/G
Company
5.1%
from 13D/G
$32,297,045
4,221,836 shares
31 Mar 2026
VANGUARD GROUP INC
13D/G
The Vanguard Group
4.8%
$32,542,424
3,595,848 shares
$0 31 Dec 2024
Point72 Asset Management, L.P.
13D/G
4.7%
$15,209,289
3,629,902 shares
-$3,488,586 30 Sep 2025
Forbion Capital Fund III Cooperatief U.A.
13D/G
3.5%
$22,579,279
2,808,368 shares
-$11,344,215 31 Dec 2025
Redmile Group, LLC
13D/G
0.7%
$2,245,077
535,818 shares
-$18,279,751 30 Sep 2025
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.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$832,976.

Buys
$0
Insiders: 0
Sells
$832,976
Insiders: 7
Net
-$832,976
Shares: -134,615
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 134,615
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 99,836 $0 $526,212 -$526,212
3-6 0 3,169 $0 $32,958 -$32,958
6-9 0 22,456 $0 $224,650 -$224,650
9-12 0 9,154 $0 $49,157 -$49,157

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 29 reporting-owner rows connected to Replimune Group, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
29
Largest Forms 3/4/5 holder
BAKER BROS. ADVISORS LP
Net 12M change
-$832,978
Latest report
18 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
BAKER BROS. ADVISORS LP Director, 10%+ Owner $125,641,900 Mixed 01 Apr 2026
Omega Fund IV, L.P. 10%+ Owner $103,049,420 Mixed 14 Mar 2022
Robert Coffin Director $11,787,512 Filing P/S 16 May 2024
Philip Astley-Sparke Director $7,175,063 -$89,698 -1.2% Filing P/S 18 May 2026
Colin Love Chief Operating Officer $5,029,422 Filing P/S 16 May 2024
Sushil Patel Chief Executive Officer, Director $3,797,259 -$300,906 -7.3% Filing P/S 18 May 2026
Pamela Esposito Chief Business Officer $2,876,721 Mixed 11 Sep 2023
Tanya Lewis Chief Dev. Op. Officer $1,477,400 Mixed 13 Jun 2023
Jean M. Franchi Chief Financial Officer $1,405,928 Mixed 16 May 2023
Emily Luisa Hill Chief Financial Officer $1,201,704 -$88,842 -6.9% Filing P/S 18 May 2026
Konstantinos Xynos Chief Medical Officer $1,197,162 -$137,194 -10% Filing P/S 18 May 2026
Christopher Sarchi Chief Commercial Officer $980,246 -$143,278 -13% Filing P/S 18 May 2026
Andrew Schwendenman Chief Accounting Officer $543,849 -$40,102 -6.9% Filing P/S 18 May 2026
Kapil Dhingra Director $0 -$32,958 -100% Mixed 01 Apr 2026
Hugo Alexander Slootweg Director Mixed 01 Apr 2023
Christy J. Oliger Director Mixed 01 Apr 2026
Veleka Peeples-Dyer Director Mixed 01 Apr 2026
Hyam Levitsky Director Mixed 01 Apr 2024
Baker Bros. Advisors (GP) LLC Director, 10%+ Owner Mixed 01 Apr 2026
667, L.P. Director, 10%+ Owner Mixed 01 Apr 2026

Recent insider transactions for Replimune Group, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Konstantinos Xynos REPL Common Stock Sale -5.62% $71,237 $5.08 -14,023 235,662 18 May 2026 Direct
Andrew Schwendenman REPL Common Stock Sale -6.87% $40,102 $5.08 -7,894 107,057 18 May 2026 Direct
Christopher Sarchi REPL Common Stock Sale -4.28% $43,820 $5.08 -8,626 192,962 18 May 2026 Direct
Philip Astley-Sparke REPL Common Stock Sale -1.23% $89,698 $5.08 -17,657 1,412,414 18 May 2026 Direct
Sushil Patel REPL Common Stock Sale -4.76% $189,606 $5.08 -37,324 747,492 18 May 2026 Direct
Emily Luisa Hill REPL Common Stock Sale -3.2% $39,685 $5.08 -7,812 236,556 18 May 2026 Direct
Christopher Sarchi REPL Common Stock Sale -4.11% $52,065 $8.01 -6,500 151,588 02 Apr 2026 Direct
BAKER BROS. ADVISORS LP REPL Non-Qualified Stock Option (right to buy)uy) Award 89,000 44,500 01 Apr 2026 See Footnotes
BAKER BROS. ADVISORS LP REPL Non-Qualified Stock Option (right to buy)uy) Award 89,000 44,500 01 Apr 2026 See Footnotes
Baker Bros. Advisors Lp REPL Non-Qualified Stock Option (right to buy)uy) Award 89,000 44,500 01 Apr 2026 See Footnotes
Baker Bros. Advisors Lp REPL Non-Qualified Stock Option (right to buy)uy) Award 89,000 44,500 01 Apr 2026 See Footnotes
Baker Bros. Advisors Lp REPL Non-Qualified Stock Option (right to buy)uy) Award 89,000 44,500 01 Apr 2026 See Footnotes
Baker Bros. Advisors Lp REPL Non-Qualified Stock Option (right to buy)uy) Award 89,000 44,500 01 Apr 2026 See Footnotes
Christopher Sarchi REPL Common Stock Award 33% 50,000 201,588 01 Apr 2026 Direct
Christopher Sarchi REPL Employee Stock Option (right to buy) Award 75,000 75,000 01 Apr 2026 Direct
Philip Astley-Sparke REPL Common Stock Award 3.62% 50,000 1,430,071 01 Apr 2026 Direct
Philip Astley-Sparke REPL Stock Option (right to buy) Award 75,000 75,000 01 Apr 2026 Direct
Christy J. Oliger REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Konstantinos Xynos REPL Common Stock Award 25% 50,000 249,685 01 Apr 2026 Direct
Konstantinos Xynos REPL Employee Stock Option (right to buy) Award 75,000 75,000 01 Apr 2026 Direct
Madhavan Balachandran REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Andrew Schwendenman REPL Common Stock Award -24.2% -36,667 114,951 01 Apr 2026 Direct
Andrew Schwendenman REPL Employee Stock Option (right to buy) Award 55,000 55,000 01 Apr 2026 Direct
Sushil Patel REPL Common Stock Award 47.1% 251,240 784,816 01 Apr 2026 Direct
Sushil Patel REPL Employee Stock Option (right to buy) Award 376,860 376,860 01 Apr 2026 Direct
Kapil Dhingra REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Paolo Pucci REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Joseph P. Slattery REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Veleka Peeples-Dyer REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Emily Luisa Hill REPL Common Stock Award 25.7% 50,000 244,368 01 Apr 2026 Direct
Emily Luisa Hill REPL Employee Stock Option (right to buy) Award 75,000 75,000 01 Apr 2026 Direct
Dieter Weinand REPL Stock Option (right to buy) Award 44,500 44,500 01 Apr 2026 Direct
Philip Astley-Sparke REPL Common Stock Gift -1.78% -25,000 1,380,071 18 Feb 2026 Direct
Sushil Patel REPL Common Stock Award 60% 200,000 533,576 19 Dec 2025 Direct
Konstantinos Xynos REPL Common Stock Award 43% 60,000 199,685 19 Dec 2025 Direct
Emily Luisa Hill REPL Common Stock Award 44.6% 60,000 194,368 19 Dec 2025 Direct
Christopher Sarchi REPL Common Stock Award 28.4% 35,000 158,088 19 Dec 2025 Direct
Andrew Schwendenman REPL Common Stock Award 14.6% 10,000 78,284 19 Dec 2025 Direct
Kapil Dhingra REPL Common Stock Sale -100% $32,958 $10.40 -3,169 0 09 Dec 2025 Direct
Kapil Dhingra REPL Common Stock Options Exercise 3,169 3,169 09 Dec 2025 Direct
Kapil Dhingra REPL Stock Option (right to buy) Options Exercise -100% -3,169 0 09 Dec 2025 Direct
Sushil Patel REPL Common Stock Sale -2.91% $111,300 $11.13 -10,000 333,576 02 Dec 2025 Direct
Christopher Sarchi REPL Common Stock Sale -4.06% $47,393 $9.10 -5,208 123,088 17 Nov 2025 Direct
Konstantinos Xynos REPL Common Stock Sale -4.93% $65,957 $9.10 -7,248 139,685 17 Nov 2025 Direct
Emily Luisa Hill REPL Common Stock Sale -6.38% $49,157 $5.37 -9,154 134,368 15 Aug 2025 Direct
* marks a reported price that did not pass the local price check.
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