Repare Therapeutics Inc. - Common shares, no par value (RPTX) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2019 to Q4 2025

Type / Class
Equity / Common shares, no par value
Symbol
RPTX
Shares outstanding
42,837,925
Price per share
$2.59
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
25,162,567
Total reported value
$65,418,419
% of total 13F portfolios
0%
Share change
-988,874
Value change
+$649,419
Number of holders
45
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Repare Therapeutics Inc. - Common shares, no par value (RPTX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Shay Capital LLC 6.7% $7,462,367 2,870,141 Shay Capital LLC 20 Jan 2026
ARK Investment Management LLC 4.7% $2,199,996 1,999,996 ARK Investment Management LLC 31 Dec 2024
MPM BioVentures 2014, L.P. 4.6% -10% $2,135,366 -$228,990 1,941,242 -9.7% ANSBERT GADICKE 31 Jan 2025

As of 31 Dec 2025, 45 institutional investors reported holding 25,162,567 shares of Repare Therapeutics Inc. - Common shares, no par value (RPTX). This represents 59% of the company’s total 42,837,925 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Repare Therapeutics Inc. - Common shares, no par value (RPTX) together control 58% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BVF INC/IL 24% 10,333,600 0% 0.9% $26,867,360
Blue Owl Capital Holdings LP 8% 3,443,659 0% 2.8% $8,953,513
ORBIMED ADVISORS LLC 7.8% 3,322,488 0% 0.18% $8,638,469
Redmile Group, LLC 3.7% 1,586,174 0% 0.3% $4,124,052
Rangeley Capital, LLC 3% 1,287,829 +99% 2.9% $3,348,355
MARSHALL WACE, LLP 2.6% 1,115,744 0% $2,900,935
RENAISSANCE TECHNOLOGIES LLC 2.3% 981,360 +36% 0% $2,551,536
ACADIAN ASSET MANAGEMENT LLC 1.4% 618,672 +8.9% 0% $1,606,000
TWO SIGMA INVESTMENTS, LP 0.78% 333,694 +2943% 0% $867,604
JANE STREET GROUP, LLC 0.65% 278,304 0% $723,590
Yakira Capital Management, Inc. 0.62% 266,601 0.23% $693,162
NORTHERN TRUST CORP 0.61% 260,311 -0.72% 0% $676,809
CITADEL ADVISORS LLC 0.56% 238,912 -66% 0% $621,171
BlackRock, Inc. 0.34% 144,219 -1.6% 0% $374,969
Militia Capital Partners, LP 0.28% 119,176 0% 0.12% $309,857
EQUITEC PROPRIETARY MARKETS, LLC 0.28% 118,375 1.5% $307,775
XTX Topco Ltd 0.27% 116,933 +146% 0.01% $304,026
Walleye Capital LLC 0.25% 106,683 0% $277,376
BANK OF MONTREAL /CAN/ 0.24% 104,919 0% 0% $272,789
TWO SIGMA ADVISERS, LP 0.13% 54,200 +96% 0% $140,920
Point72 Asset Management, L.P. 0.12% 51,252 0% $133,255
HRT FINANCIAL LP 0.1% 42,301 0% $109,000
Quinn Opportunity Partners LLC 0.09% 40,000 0% 0% $104,000
FNY Investment Advisers, LLC 0.08% 35,000 0.03% $91,000
NewEdge Wealth, LLC 0.08% 32,959 0% 0% $85,694

Institutional Holders of Repare Therapeutics Inc. - Common shares, no par value (RPTX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 25,162,567 $65,418,419 +$649,419 $2.60 45
2025 Q3 27,272,759 $47,994,480 -$585,720 $1.76 44
2025 Q2 27,751,924 $38,574,670 -$1,382,414 $1.39 49
2025 Q1 29,510,013 $29,086,692 -$1,273,490 $0.99 49
2024 Q4 30,627,189 $40,115,894 -$3,245,437 $1.31 53
2024 Q3 32,384,039 $111,394,012 -$4,678,067 $3.44 56
2024 Q2 33,787,071 $111,563,077 -$7,679,698 $3.30 60
2024 Q1 35,509,240 $167,234,827 -$6,368,867 $4.71 70
2023 Q4 36,516,609 $266,618,743 +$7,114,924 $7.30 69
2023 Q3 36,251,577 $437,732,348 +$5,862,256 $12.08 75
2023 Q2 35,816,579 $379,155,366 +$27,699,133 $10.58 77
2023 Q1 33,203,752 $326,704,500 -$3,869,255 $9.84 77
2022 Q4 33,439,349 $491,913,773 +$9,270,562 $14.71 81
2022 Q3 32,825,390 $398,104,252 -$27,705,169 $12.13 68
2022 Q2 33,241,732 $451,682,656 +$10,057,776 $13.99 71
2022 Q1 32,606,123 $464,339,399 -$15,992,556 $14.24 61
2021 Q4 32,686,703 $689,483,446 +$73,866,430 $21.09 65
2021 Q3 26,958,565 $707,727,594 +$8,752,319 $26.24 66
2021 Q2 26,541,561 $828,248,052 +$17,346,878 $31.18 61
2021 Q1 25,991,734 $797,739,395 +$23,245,092 $30.69 64
2020 Q4 27,148,766 $931,197,865 +$31,433,436 $34.30 61
2020 Q3 23,874,907 $734,608,729 +$25,936,109 $30.77 37
2020 Q2 22,517,975 $698,109,449 +$698,106,449 $31.02 47
2020 Q1 100 $3,000 $30.00 1
2019 Q4 100 $3,000 $30.00 1
2019 Q3 100 $3,000 $30.00 1
2019 Q2 100 $3,000 $30.00 1
2019 Q1 100 $3,000 $30.00 1