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 on Nasdaq
Shares outstanding
43,056,667
Price per share
$2.60
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
27,272,759
Total reported value
$47,994,480
% of total 13F portfolios
0%
Share change
-479,165
Value change
-$585,721
Number of holders
44
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
BIOTECHNOLOGY VALUE FUND L P 24% $18,497,144 10,333,600 BVF PARTNERS L P/IL 20 Nov 2025
ARK Investment Management LLC 4.7% $1,999,996 1,999,996 ARK Investment Management LLC 31 Dec 2024
MPM BioVentures 2014, L.P. 4.6% -10% $1,941,242 -$208,173 1,941,242 -9.7% ANSBERT GADICKE 31 Jan 2025

As of 30 Sep 2025, 44 institutional investors reported holding 27,272,759 shares of Repare Therapeutics Inc. - Common Shares, no par value (RPTX). This represents 63% of the company’s total 43,056,667 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Repare Therapeutics Inc. - Common Shares, no par value (RPTX) together control 63% 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% 0.74% $18,187,136
Blue Owl Capital Holdings LP 8% 3,443,659 0% 1.9% $6,060,840
ORBIMED ADVISORS LLC 7.7% 3,322,488 0% 0.14% $5,847,579
Versant Venture Management, LLC 6.1% 2,646,657 0% 2.2% $4,658,116
Redmile Group, LLC 3.7% 1,586,174 0% 0.27% $2,791,666
MPM ASSET MANAGEMENT LLC 2.6% 1,121,318 0% 4.4% $1,973,520
MPM BIOIMPACT LLC 1.9% 819,924 0% 0.24% $1,443,066
RENAISSANCE TECHNOLOGIES LLC 1.7% 724,160 +39% 0% $1,274,522
CITADEL ADVISORS LLC 1.6% 699,297 -25% 0% $1,230,763
Rangeley Capital, LLC 1.5% 645,876 +82% 1.1% $1,136,742
ACADIAN ASSET MANAGEMENT LLC 1.3% 568,301 -17% 0% $996,000
NORTHERN TRUST CORP 0.61% 262,201 -8.3% 0% $461,474
Affinity Asset Advisors, LLC 0.46% 200,000 0% 0.03% $352,000
BlackRock, Inc. 0.34% 146,550 0% 0% $257,928
Militia Capital Partners, LP 0.28% 119,176 0% 0.1% $209,750
BANK OF MONTREAL /CAN/ 0.24% 104,919 0% 0% $184,657
STIFEL FINANCIAL CORP 0.18% 77,600 -3.7% 0% $136,576
Squarepoint Ops LLC 0.15% 65,243 0% $114,828
XTX Topco Ltd 0.11% 47,547 +10% 0% $83,683
Quinn Opportunity Partners LLC 0.09% 40,000 0% 0.01% $70,400
Vontobel Holding Ltd. 0.09% 40,000 0% 0% $70,400
IEQ CAPITAL, LLC 0.09% 38,382 0% 0% $67,552
NewEdge Wealth, LLC 0.08% 32,959 0% 0% $57,020
TWO SIGMA ADVISERS, LP 0.06% 27,700 0% 0% $48,752
Blackstone Inc. 0.06% 25,957 0% 0% $45,684

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 35,000 $91,000 +$91,000 $2.60 1
2025 Q3 27,272,759 $47,994,480 -$585,721 $1.76 44
2025 Q2 27,751,924 $38,574,670 -$1,382,413 $1.39 49
2025 Q1 29,510,013 $29,086,692 -$1,273,496 $0.99 49
2024 Q4 30,627,189 $40,115,894 -$3,245,880 $1.31 53
2024 Q3 32,384,039 $111,394,461 -$4,678,069 $3.44 56
2024 Q2 33,787,071 $111,562,711 -$7,679,712 $3.30 60
2024 Q1 35,509,240 $167,234,596 -$6,153,478 $4.71 70
2023 Q4 39,603 $289,102 +$171,129 $7.30 1
2023 Q3 36,240,652 $437,600,392 +$5,743,679 $12.08 73
2023 Q2 35,815,470 $379,143,636 +$27,699,133 $10.58 76
2023 Q1 33,202,643 $326,693,587 -$3,870,754 $9.84 76
2022 Q4 33,436,266 $491,868,460 +$9,666,159 $14.71 78
2022 Q3 32,649,914 $395,975,800 -$27,671,034 $12.13 64
2022 Q2 30,288,220 $423,732,141 +$10,295,871 $13.99 66
2022 Q1 32,478,727 $462,525,607 -$16,841,368 $14.24 58
2021 Q4 32,191,267 $679,035,057 +$74,274,738 $21.09 61
2021 Q3 26,957,484 $707,699,494 +$10,202,814 $26.24 66
2021 Q2 26,407,814 $824,077,473 +$15,150,404 $31.18 60
2021 Q1 25,991,083 $797,719,096 +$23,857,003 $30.69 63
2020 Q4 24,189,829 $829,706,285 +$31,433,413 $34.30 58
2020 Q3 23,874,307 $734,590,267 +$25,951,571 $30.77 36
2020 Q2 20,129,638 $624,023,449 +$624,020,583 $31.02 46
2020 Q1 100 $3,000 $0 $30.00 1
2019 Q4 100 $3,000 $0 $30.00 1
2019 Q3 100 $3,000 $0 $30.00 1
2019 Q2 100 $3,000 $0 $30.00 1
2019 Q1 100 $3,000 $0 $30.00 1