REPLIMUNE GROUP INC (REPL) Institutional Shareholders
REPLIMUNE GROUP INC (REPL) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $555.75M in REPL holdings during the latest filing period.
Baker Bros. Advisors Lp is currently the largest disclosed institutional shareholder of REPL tracked by InsiderSet, reporting ownership valued at approximately $84.50M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $123.71M, representing an estimated gain of +46.41% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 63% of the total disclosed REPL value among the investors covered in this analysis. Major shareholders include Baker Bros. Advisors Lp, Rtw Investments, Lp, Blackrock, Inc., and several other long-term asset managers with concentrated positions in REPLIMUNE GROUP INC (REPL).
This page ranks the largest institutional REPL shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
186
Total Reported Value
$555.75M
Largest Holder
Baker Bros. Advisors Lp
Largest Position
$84.50M
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
171
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Baker Bros. Advisors Lp | 0.49% | 11,045,336 | $84,496,820 | $123,707,763 | +$39,210,943 | +46.41% | |
| Rtw Investments, Lp | 0.56% | 7,356,916 | $56,280,407 | $82,397,459 | +$26,117,052 | +46.41% | |
| Blackrock, Inc. | 0.00% | 6,239,239 | $47,730,179 | $69,879,477 | +$22,149,298 | +46.41% | |
| Suvretta Capital Management, Llc | 0.88% | 4,221,836 | $32,297,045 | $47,284,563 | +$14,987,518 | +46.41% | |
| State Street Corp | 0.00% | 3,782,237 | $28,934,113 | $42,361,054 | +$13,426,941 | +46.41% | |
| Erste Asset Management Gmbh | 0.18% | 2,120,000 | $23,744,000 | $23,744,000 | $0 | 0.00% | |
| Fcpm Iii Services B.V. | 2.97% | 2,808,368 | $21,484,015 | $31,453,722 | +$9,969,707 | +46.41% | |
| Vanguard Capital Management Llc | 0.00% | 2,759,120 | $21,107,268 | $30,902,144 | +$9,794,876 | +46.41% | |
| D. E. Shaw & Co., Inc. | 0.01% | 2,336,528 | $17,874,440 | $26,169,114 | +$8,294,674 | +46.41% | |
| Goldman Sachs Group Inc | 0.00% | 2,277,276 | $17,421,161 | $25,505,491 | +$8,084,330 | +46.41% | |
| Fmr Llc | 0.00% | 2,045,490 | $15,647,999 | $22,909,488 | +$7,261,489 | +46.41% | |
| Geode Capital Management, Llc | 0.00% | 1,801,525 | $13,785,010 | $20,177,080 | +$6,392,070 | +46.37% | |
| Toronto Dominion Bank | 0.02% | 1,591,030 | $12,171,380 | $17,819,536 | +$5,648,156 | +46.41% | |
| Adar1 Capital Management, Llc | 0.73% | 1,582,987 | $12,109,851 | $17,729,454 | +$5,619,603 | +46.41% | |
| Boxer Capital Management, Llc | 1.18% | 1,175,000 | $8,988,750 | $13,160,000 | +$4,171,250 | +46.41% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,140,099 | $8,718,606 | $12,769,109 | +$4,050,503 | +46.46% | |
| Ecor1 Capital, Llc | 0.33% | 1,000,000 | $7,650,000 | $11,200,000 | +$3,550,000 | +46.41% | |
| Sio Capital Management, Llc | 0.79% | 720,036 | $5,508,275 | $8,064,403 | +$2,556,128 | +46.41% | |
| Jefferies Financial Group Inc. | 0.07% | 714,225 | $5,463,821 | $7,999,320 | +$2,535,499 | +46.41% | |
| Morgan Stanley | 0.00% | 646,213 | $4,943,537 | $7,237,586 | +$2,294,049 | +46.41% | |
| Susquehanna International Group, Llp | 0.01% | 623,979 | $4,773,439 | $6,988,565 | +$2,215,126 | +46.41% | |
| Charles Schwab Investment Management Inc | 0.00% | 611,759 | $4,679,956 | $6,851,701 | +$2,171,745 | +46.41% | |
| Northern Trust Corp | 0.00% | 589,120 | $4,506,767 | $6,598,144 | +$2,091,377 | +46.41% | |
| Ubs Group Ag | 0.00% | 581,210 | $4,446,257 | $6,509,552 | +$2,063,295 | +46.41% | |
| Vanguard Portfolio Management Llc | 0.00% | 552,576 | $4,227,206 | $6,188,851 | +$1,961,645 | +46.41% | |
| Vanguard Fiduciary Trust Co | 0.00% | 475,126 | $3,634,714 | $5,321,411 | +$1,686,697 | +46.41% | |
| Caption Management, Llc | 0.16% | 451,822 | $3,456,438 | $5,060,406 | +$1,603,968 | +46.41% | |
| Jane Street Group, Llc | 0.00% | 428,145 | $3,275,309 | $4,795,224 | +$1,519,915 | +46.41% | |
| Citadel Advisors Llc | 0.00% | 398,729 | $3,050,277 | $4,465,765 | +$1,415,488 | +46.41% | |
| Candriam S.C.A. | 0.02% | 394,027 | $3,014,307 | $4,413,102 | +$1,398,795 | +46.41% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 381,453 | $2,918,115 | $4,272,274 | +$1,354,159 | +46.41% |
| Woodline Partners Lp | 0.01% | 380,988 | $2,914,558 | $4,267,066 | +$1,352,508 | +46.41% | |
| Two Sigma Investments, Lp | 0.00% | 344,751 | $2,637,345 | $3,861,211 | +$1,223,866 | +46.41% | |
| Eversept Partners, Lp | 0.17% | 334,861 | $2,561,687 | $3,750,443 | +$1,188,756 | +46.41% | |
| Moore Capital Management, Lp | 0.09% | 311,124 | $2,380,099 | $3,484,589 | +$1,104,490 | +46.41% | |
| Adage Capital Partners Gp, L.L.C. | 0.00% | 307,368 | $2,351,365 | $3,442,522 | +$1,091,157 | +46.41% | |
| Millennium Management Llc | 0.00% | 300,833 | $2,301,372 | $3,369,330 | +$1,067,958 | +46.41% | |
| Summittx Capital, L.P. | 0.07% | 288,889 | $2,210,001 | $3,235,557 | +$1,025,556 | +46.41% | |
| Quinn Opportunity Partners Llc | 0.12% | 287,795 | $2,201,632 | $3,223,304 | +$1,021,672 | +46.41% | |
| Aqr Capital Management Llc | 0.00% | 255,495 | $1,954,538 | $2,861,544 | +$907,006 | +46.41% | |
| Bank Of America Corp | 0.00% | 253,449 | $1,938,885 | $2,838,629 | +$899,744 | +46.41% | |
| Omega Fund Management, Llc | 1.17% | 248,672 | $1,909,801 | $2,785,126 | +$875,325 | +45.83% | |
| Td Asset Management Inc | 0.00% | 242,614 | $1,855,997 | $2,717,277 | +$861,280 | +46.41% | |
| Bank Of New York Mellon Corp | 0.00% | 204,791 | $1,566,648 | $2,293,659 | +$727,011 | +46.41% | |
| Wellington Management Group Llp | 0.00% | 197,578 | $1,511,472 | $2,212,874 | +$701,402 | +46.41% | |
| Manufacturers Life Insurance Company, The | 0.00% | 192,350 | $1,471,478 | $2,154,320 | +$682,842 | +46.41% | |
| Invesco Ltd. | 0.00% | 190,925 | $1,460,576 | $2,138,360 | +$677,784 | +46.41% | |
| Panagora Asset Management Inc | 0.01% | 181,281 | $1,386,800 | $2,030,347 | +$643,547 | +46.41% | |
| Silverarc Capital Management, Llc | 0.15% | 171,936 | $1,315,310 | $1,925,683 | +$610,373 | +46.41% | |
| Bnp Paribas Financial Markets | 0.00% | 158,362 | $1,211,469 | $1,773,654 | +$562,185 | +46.41% |
Frequently asked questions about REPL
Who owns the most REPL stock?
The largest holders of REPL are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for REPLIMUNE GROUP INC (REPL).
Is REPL widely held by superinvestors?
Many widely followed stocks like REPL appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly REPL is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.