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REPL

Replimune Group, Inc.

Company with tickers: REPL

CIK
1737953
CUSIP
76029N106
Shares Outstanding
82,572,619
13F Activity (30d)
170 filings 168 filers
Holders: 187
Total Value: $676,443,765
Total Shares: 88,424,036
Showing 1–100 of 207 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 187 13F filers · Δ vs Dec 31, 2025
Top Holder
12.5%
Jun 2023 → Mar 2026 · range 9.6% – 15.8%
−0.5 pts
Top 5
41.8%
Jun 2023 → Mar 2026 · range 35.8% – 51.4%
−0.9 pts
Top 10
57.7%
Jun 2023 → Mar 2026 · range 54.7% – 70.0%
−1.9 pts
HHI
482
Jun 2023 → Mar 2026 · range 401 – 706
Broadly held −29

Quarterly Activity

vs Dec 31, 2025
New
46
Increased
65
Decreased
53
Sold Out
30
Unchanged
23
Holder count: +16
Institutional value: -18.1%
Shares held: +4.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid SUVRETTA CAPITAL MANAGEMENT, LLC +4,185,798 4,221,836
Mega GOLDMAN SACHS GROUP INC +1,619,180 2,277,276
Small DIADEMA PARTNERS LP +535,063 766,060
Large TUDOR INVESTMENT CORP ET AL +465,620 681,900
Small Boxer Capital Management, LLC +425,000 1,175,000

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large ADAGE CAPITAL PARTNERS GP, L.L.C. −1,500,000 307,368
Small Ally Bridge Group (NY) LLC −953,100 246,900
Mega FMR LLC −936,090 2,045,490
Large TORONTO DOMINION BANK −638,497 1,591,030
Mega MILLENNIUM MANAGEMENT LLC −501,129 483,433

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,759,120 $21,107,268
Mid Sofinnova Investments, Inc. 1,015,400 $7,767,810
Mid EcoR1 Capital, LLC 1,000,000 $7,650,000
Small Sio Capital Management, LLC 720,036 $5,508,275
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 552,576 $4,227,206

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 3,776,198 $36,704,643
Mid Commodore Capital LP 1,425,000 $13,851,000
Small Rosalind Advisors, Inc. 1,410,497 $13,710,030
Mid Redmile Group, LLC 1,099,756 $10,689,628
Large HRT FINANCIAL LP 183,592 $1,784,514
Filter: New 46 Increased 65 Reduced 53 Sold out 30 Unchanged 23
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Large BAKER BROS. ADVISORS LP $84,496,820 12.49% 11,045,336
Mega PRICE T ROWE ASSOCIATES INC /MD/ $62,128,962 9.18% 8,121,433
Large RTW INVESTMENTS, LP $56,280,407 8.32% 7,356,916
Mega BlackRock, Inc. $47,730,172 7.06% 6,239,239
Mid SUVRETTA CAPITAL MANAGEMENT, LLC $32,297,045 4.77% 4,221,836
Mega STATE STREET CORP $28,934,113 4.28% 3,782,237
Small FCPM III SERVICES B.V. $21,484,015 3.18% 2,808,368
Mega VANGUARD CAPITAL MANAGEMENT LLC $21,107,268 3.12% 2,759,120
Mega D. E. Shaw & Co., Inc. $17,874,438 2.64% 2,336,528
Mega GOLDMAN SACHS GROUP INC $17,421,161 2.58% 2,277,276
Large Erste Asset Management GmbH $16,218,000 2.40% 2,120,000
Mega FMR LLC $15,647,998 2.31% 2,045,490
Mega GEODE CAPITAL MANAGEMENT, LLC $13,781,665 2.04% 1,801,525
Large TORONTO DOMINION BANK Bank $12,171,379 1.80% 1,591,030
Mid ADAR1 Capital Management, LLC $12,109,850 1.79% 1,582,987
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $9,957,240 1.47% 1,301,600
Small Boxer Capital Management, LLC $8,988,750 1.33% 1,175,000
Mega DIMENSIONAL FUND ADVISORS LP $8,721,755 1.29% 1,140,099
Mid Sofinnova Investments, Inc. $7,767,810 1.15% 1,015,400
Mid EcoR1 Capital, LLC $7,650,000 1.13% 1,000,000
Large Caption Management, LLC $6,828,390 1.01% 892,600
Mega JPMORGAN CHASE & CO $6,043,123 0.89% 789,951
Small Sio Capital Management, LLC $5,508,275 0.81% 720,036
Large Jefferies Financial Group Inc. $5,463,821 0.81% 714,225
Mega MORGAN STANLEY $4,943,525 0.73% 646,213
Large TUDOR INVESTMENT CORP ET AL $4,834,035 0.71% 631,900
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,773,439 0.71% 623,979
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $4,679,956 0.69% 611,759
Mega NORTHERN TRUST CORP Bank $4,506,767 0.67% 589,120
Mega UBS Group AG $4,446,255 0.66% 581,210
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $4,227,206 0.62% 552,576
Mega VANGUARD FIDUCIARY TRUST CO Bank $3,634,713 0.54% 475,126
Small DIADEMA PARTNERS LP $3,518,235 0.52% 459,900
Large Caption Management, LLC $3,456,438 0.51% 451,822
Mega JANE STREET GROUP, LLC $3,275,308 0.48% 428,145
Mega CITADEL ADVISORS LLC $3,050,276 0.45% 398,729
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,024,045 0.45% 395,300
Large Candriam S.C.A. $3,014,306 0.45% 394,027
Large RENAISSANCE TECHNOLOGIES LLC $2,918,115 0.43% 381,453
Large Woodline Partners LP $2,914,558 0.43% 380,988
Mega TWO SIGMA INVESTMENTS, LP $2,637,345 0.39% 344,751
Mid Eversept Partners, LP $2,561,686 0.38% 334,861
Mid MOORE CAPITAL MANAGEMENT, LP $2,380,098 0.35% 311,124
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $2,351,365 0.35% 307,368
Mega MILLENNIUM MANAGEMENT LLC $2,301,372 0.34% 300,833
Mid Ikarian Capital, LLC $2,295,000 0.34% 300,000
Mid SummitTX Capital, L.P. $2,210,000 0.33% 288,889
Mid Quinn Opportunity Partners LLC $2,201,631 0.33% 287,795
Mega AQR CAPITAL MANAGEMENT LLC $1,954,533 0.29% 255,495
Mega BANK OF AMERICA CORP /DE/ Bank $1,938,883 0.29% 253,449
Mid ALGERT GLOBAL LLC $1,910,511 0.28% 249,740
Small Omega Fund Management, LLC $1,902,340 0.28% 248,672
Mega CITADEL ADVISORS LLC $1,889,550 0.28% 247,000
Small Ally Bridge Group (NY) LLC $1,888,785 0.28% 246,900
Mega BARCLAYS PLC $1,874,250 0.28% 245,000
Mega TD Asset Management Inc $1,855,997 0.27% 242,614
Small DIADEMA PARTNERS LP $1,572,075 0.23% 205,500
Mega Bank of New York Mellon Corp Bank $1,566,650 0.23% 204,791
Mega JANE STREET GROUP, LLC $1,518,525 0.22% 198,500
Mega WELLINGTON MANAGEMENT GROUP LLP $1,511,470 0.22% 197,578
Small NAN FUNG TRINITY (HK) LTD $1,501,901 0.22% 196,327
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $1,471,477 0.22% 192,350
Mega Invesco Ltd. $1,460,574 0.22% 190,925
Small DLD Asset Management, LP $1,412,190 0.21% 184,600
Large PANAGORA ASSET MANAGEMENT INC $1,386,799 0.21% 181,281
Mega CITADEL ADVISORS LLC $1,362,465 0.20% 178,100
Mid J. Goldman & Co LP $1,341,810 0.20% 175,400
Small SILVERARC CAPITAL MANAGEMENT, LLC $1,315,310 0.19% 171,936
Large ACADIAN ASSET MANAGEMENT LLC $1,300,806 0.19% 170,040
Mega BNP PARIBAS ARBITRAGE, SA $1,211,469 0.18% 158,362
Mid Susquehanna Portfolio Strategies, LLC $1,169,134 0.17% 152,828
Large SG Americas Securities, LLC Broker-Dealer $1,160,306 0.17% 151,674
Mid Engineers Gate Manager LP $1,151,279 0.17% 150,494
Mid READYSTATE ASSET MANAGEMENT LP $1,059,433 0.16% 138,488
Mid XTX Topco Ltd $1,005,401 0.15% 131,425
Large Hudson Bay Capital Management LP $1,002,111 0.15% 130,995
Small Seven Fleet Capital Management LP $921,060 0.14% 120,400
Large Rafferty Asset Management, LLC $906,341 0.13% 118,476
Large Quantinno Capital Management LP $829,849 0.12% 108,477
Mega MILLENNIUM MANAGEMENT LLC $822,375 0.12% 107,500
Mid Tema ETFs LLC Mutual Fund $817,670 0.12% 106,885
Large Tidal Investments LLC $817,670 0.12% 106,885
Mid SIMPLEX TRADING, LLC $802,293 0.12% 104,875
Mid Jump Financial, LLC $798,498 0.12% 104,379
Small DIADEMA PARTNERS LP $770,049 0.11% 100,660
Mid ADAR1 Capital Management, LLC $765,000 0.11% 100,000
Mega BARCLAYS PLC $685,607 0.10% 89,622
Mega RHUMBLINE ADVISERS $671,211 0.10% 87,740
Mid BOOTHBAY FUND MANAGEMENT, LLC $669,375 0.10% 87,500
Large Connor, Clark & Lunn Investment Management Ltd. $664,861 0.10% 86,910
Large Caption Management, LLC $612,000 0.09% 80,000
Mega MILLENNIUM MANAGEMENT LLC $574,515 0.08% 75,100
Mega RAYMOND JAMES FINANCIAL INC $551,908 0.08% 72,145
Large Walleye Capital LLC $547,678 0.08% 71,592
Large ZACKS INVESTMENT MANAGEMENT $538,254 0.08% 70,360
Mid Y-Intercept (Hong Kong) Ltd $527,681 0.08% 68,978
Mega ALLIANCEBERNSTEIN L.P. $475,371 0.07% 62,140
Small ACT CAPITAL MANAGEMENT, LLC $470,475 0.07% 61,500
Large Corient Private Wealth LLC $447,731 0.07% 58,527
Small DLD Asset Management, LP $443,700 0.07% 58,000
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