REPLIGEN CORP - COMMON STOCK (RGEN) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
RGEN on Nasdaq
Shares outstanding
56,222,082
Price per share
$163.86
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
59,799,482
Total reported value
$7,995,510,806
% of total 13F portfolios
0.01%
Share change
+1,236,145
Value change
+$187,488,207
Number of holders
445
Price from insider filings
$163.86
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of REPLIGEN CORP - COMMON STOCK (RGEN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 9.3% $603,552,204 5,198,107 BlackRock, Inc. 31 Mar 2025
PRICE T ROWE ASSOCIATES INC /MD/ 6.1% -51% $436,066,901 -$471,286,434 3,429,547 -52% T. Rowe Price Associates, Inc. 31 Aug 2025
EDDLEMAN ROY T 4.8% $314,157,550 2,705,689 Roy T. Eddleman Living Trust 31 Dec 2024

As of 30 Sep 2025, 445 institutional investors reported holding 59,799,482 shares of REPLIGEN CORP - COMMON STOCK (RGEN). This represents 106% of the company’s total 56,222,082 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of REPLIGEN CORP - COMMON STOCK (RGEN) together control 70% 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
BlackRock, Inc. 11% 6,139,730 +1% 0.01% $820,697,703
VANGUARD GROUP INC 9% 5,044,191 -0.65% 0.01% $674,257,011
PRICE T ROWE ASSOCIATES INC /MD/ 6.2% 3,507,378 -47% 0.05% $468,832,000
UNITED CAPITAL FINANCIAL ADVISORS, LLC 4.9% 2,755,943 2.7% $368,386,901
FMR LLC 4.8% 2,691,212 +67% 0.02% $359,734,287
STATE STREET CORP 3.2% 1,801,536 +11% 0.01% $240,811,317
CITADEL ADVISORS LLC 3% 1,684,720 +58% 0.18% $225,196,523
Point72 Asset Management, L.P. 2.6% 1,440,721 -25% 0.42% $192,581,197
Holocene Advisors, LP 2.4% 1,377,104 +47% 0.42% $184,077,492
Champlain Investment Partners, LLC 2.4% 1,339,246 -4.4% 1.3% $179,017,013
Bank of New York Mellon Corp 2.3% 1,315,836 -0.67% 0.03% $175,887,845
ALLIANCEBERNSTEIN L.P. 2% 1,104,171 +22% 0.05% $147,594,538
GEODE CAPITAL MANAGEMENT, LLC 1.8% 1,032,439 +5.3% 0.01% $138,029,697
Conestoga Capital Advisors, LLC 1.7% 956,913 -2% 2.1% $127,910,561
Invesco Ltd. 1.6% 873,040 -37% 0.02% $116,699,257
MILLENNIUM MANAGEMENT LLC 1.5% 817,056 +17% 0.09% $109,215,876
DIMENSIONAL FUND ADVISORS LP 1.4% 799,510 +4.1% 0.02% $106,825,785
Balyasny Asset Management L.P. 1.4% 767,239 +391% 0.21% $102,556,837
Impax Asset Management Group plc 1.3% 703,237 -7.6% 0.54% $93,031,780
BROWN CAPITAL MANAGEMENT LLC 1.2% 668,858 -33% 3.7% $89,406,249
Stephens Investment Management Group LLC 1.1% 598,356 +14% 1% $79,982,247
GENEVA CAPITAL MANAGEMENT LLC 1.1% 596,768 +22% 1.4% $79,769,980
T. Rowe Price Investment Management, Inc. 1% 572,078 +2.2% 0.05% $76,470,000
DF DENT & CO INC 0.95% 534,719 -8.8% 0.92% $71,475,843
AMERIPRISE FINANCIAL INC 0.91% 509,611 +6.1% 0.02% $68,119,911

Institutional Holders of REPLIGEN CORP - COMMON STOCK (RGEN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 1,642,796 $269,377,770 +$88,153,885 $163.86 44
2025 Q3 59,799,482 $7,995,510,806 +$187,488,207 $133.67 445
2025 Q2 58,417,175 $7,219,796,205 +$74,553,209 $124.38 442
2025 Q1 57,398,139 $7,304,074,046 +$139,148,092 $127.24 438
2024 Q4 56,237,415 $8,094,119,798 +$126,088,019 $143.94 427
2024 Q3 55,319,225 $8,225,035,102 +$2,813,655 $148.82 441
2024 Q2 56,097,077 $7,068,554,308 -$93,174,903 $126.06 445
2024 Q1 56,079,452 $10,306,080,578 -$396,582,655 $183.92 488
2023 Q4 731,082 $131,517,919 +$91,850,442 $179.80 5
2023 Q3 56,788,855 $9,027,253,663 +$368,155,521 $159.01 430
2023 Q2 54,411,443 $7,704,060,307 +$8,980,139 $141.46 437
2023 Q1 53,762,692 $9,049,151,613 +$69,185,811 $168.36 438
2022 Q4 52,045,384 $8,811,980,100 +$355,886,906 $169.31 429
2022 Q3 49,757,404 $9,314,767,665 +$136,192,623 $187.11 413
2022 Q2 49,809,467 $8,092,371,248 +$274,229,437 $162.40 382
2022 Q1 48,188,354 $9,057,191,835 +$206,442,131 $188.09 424
2021 Q4 46,978,082 $12,435,000,841 -$247,603,948 $264.84 481
2021 Q3 47,227,939 $13,641,071,434 +$279,156,595 $288.99 467
2021 Q2 46,331,242 $9,248,968,990 +$156,545,902 $199.62 422
2021 Q1 45,654,895 $8,872,284,938 +$75,587,801 $194.41 451
2020 Q4 45,720,562 $8,759,482,147 +$265,984,692 $191.63 439
2020 Q3 44,604,522 $6,583,007,717 -$39,413,856 $147.54 381
2020 Q2 45,107,658 $5,577,956,857 -$195,603,627 $123.61 361
2020 Q1 45,701,008 $4,409,982,651 +$308,388,840 $96.54 296
2019 Q4 43,536,727 $4,026,405,029 -$116,718,905 $92.50 294
2019 Q3 44,645,769 $3,422,654,573 -$7,846,781 $76.69 292
2019 Q2 44,747,389 $3,843,255,917 +$537,670,761 $85.95 264
2019 Q1 39,691,557 $2,344,839,121 +$48,456,461 $59.08 239
2018 Q4 39,007,695 $2,057,025,064 -$111,267,214 $52.74 233
2018 Q3 40,924,003 $2,269,627,403 +$69,214,614 $55.46 193
2018 Q2 40,520,491 $1,905,799,055 +$121,610,692 $47.04 186
2018 Q1 37,679,814 $1,363,320,226 +$31,538,966 $36.18 178
2017 Q4 36,738,255 $1,332,950,569 +$40,398,185 $36.28 174
2017 Q3 36,403,343 $1,394,672,142 +$29,811,372 $38.32 186
2017 Q2 33,920,691 $1,405,622,268 +$144,432,379 $41.44 192
2017 Q1 32,457,429 $1,142,458,808 +$157,883,467 $35.20 177
2016 Q4 32,122,072 $990,176,738 +$12,060,982 $30.82 177
2016 Q3 31,853,251 $961,196,212 +$47,294,779 $30.19 176
2016 Q2 30,394,996 $831,660,372 +$19,862,138 $27.36 180
2016 Q1 29,486,342 $790,843,927 +$36,501,853 $26.82 178
2015 Q4 28,418,668 $803,884,773 -$42,817,574 $28.29 172
2015 Q3 29,973,390 $834,757,582 -$19,609,939 $27.85 186
2015 Q2 29,801,268 $1,229,834,824 +$44,354,830 $41.27 170
2015 Q1 29,357,615 $890,241,268 +$18,855,390 $30.36 167
2014 Q4 28,790,553 $570,051,773 +$24,857,545 $19.80 160
2014 Q3 28,133,298 $560,133,714 -$3,441,993 $19.91 161
2014 Q2 28,119,042 $640,450,743 +$57,096,627 $22.79 161
2014 Q1 26,217,884 $337,427,505 +$14,818,211 $12.86 132