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
59,801,004
Total reported value
$7,995,713,806
% of total 13F portfolios
0.01%
Share change
+1,636,145
Value change
+$240,956,108
Number of holders
446
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% $724,772,059 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% $377,254,217 2,705,689 Roy T. Eddleman Living Trust 31 Dec 2024

As of 30 Sep 2025, 446 institutional investors reported holding 59,801,004 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 1,694,043 $277,768,142 +$87,382,580 $163.86 54
2025 Q3 59,801,004 $7,995,713,806 +$240,956,108 $133.67 446
2025 Q2 58,017,175 $7,215,764,205 +$69,143,795 $124.38 442
2025 Q1 57,398,139 $7,304,074,415 +$139,148,090 $127.24 438
2024 Q4 56,237,230 $8,094,090,864 +$105,844,498 $143.94 427
2024 Q3 55,459,700 $8,245,941,080 +$30,279,223 $148.82 439
2024 Q2 56,044,624 $7,061,943,055 -$124,495,148 $126.06 443
2024 Q1 56,261,991 $10,338,765,280 -$351,039,614 $183.92 480
2023 Q4 58,123,283 $10,446,984,164 +$202,954,749 $179.80 463
2023 Q3 57,114,183 $9,078,983,361 +$388,815,346 $159.01 435
2023 Q2 54,662,151 $7,739,525,912 +$95,572,264 $141.46 441
2023 Q1 53,769,139 $9,050,236,781 +$70,900,818 $168.36 442
2022 Q4 53,510,392 $9,060,023,350 +$399,717,699 $169.31 436
2022 Q3 51,044,970 $9,557,589,432 +$146,390,498 $187.11 424
2022 Q2 50,252,292 $8,165,826,817 +$277,439,901 $162.40 391
2022 Q1 48,677,414 $9,149,179,277 +$200,963,724 $188.09 431
2021 Q4 47,109,897 $12,469,909,891 -$237,031,385 $264.84 488
2021 Q3 47,237,181 $13,643,742,113 +$286,277,453 $288.99 472
2021 Q2 46,326,341 $9,247,532,543 +$156,619,410 $199.62 421
2021 Q1 45,659,995 $8,873,275,638 +$76,902,679 $194.41 453
2020 Q4 45,796,926 $8,774,116,572 +$266,909,562 $191.63 444
2020 Q3 44,707,932 $6,601,225,733 -$40,211,297 $147.54 384
2020 Q2 45,107,923 $5,577,989,614 -$187,234,914 $123.61 363
2020 Q1 46,463,810 $4,483,615,651 +$298,271,944 $96.54 301
2019 Q4 43,538,059 $4,026,527,029 -$117,270,573 $92.50 296
2019 Q3 44,787,098 $3,433,491,573 -$8,489,335 $76.69 295
2019 Q2 44,747,389 $3,843,255,917 +$502,114,798 $85.95 264
2019 Q1 40,224,387 $2,376,319,121 +$32,032,553 $59.08 241
2018 Q4 39,767,674 $2,097,073,822 -$116,566,198 $52.74 237
2018 Q3 41,788,098 $2,317,550,403 +$69,379,349 $55.46 196
2018 Q2 40,579,436 $1,908,570,055 +$106,872,252 $47.04 188
2018 Q1 38,649,161 $1,398,390,226 +$29,165,817 $36.18 181
2017 Q4 37,859,448 $1,373,622,569 +$48,489,524 $36.28 178
2017 Q3 36,449,660 $1,396,445,142 +$28,789,176 $38.32 187
2017 Q2 35,593,025 $1,474,924,268 +$151,642,443 $41.44 197
2017 Q1 32,529,133 $1,144,981,808 +$158,118,910 $35.20 179
2016 Q4 32,263,497 $994,535,738 +$13,422,590 $30.82 180
2016 Q3 31,904,315 $962,738,212 +$47,789,217 $30.19 177
2016 Q2 30,428,990 $832,590,372 +$19,372,010 $27.36 181
2016 Q1 29,619,988 $794,428,927 +$36,143,815 $26.82 180
2015 Q4 28,540,885 $807,342,773 -$43,257,537 $28.29 173
2015 Q3 30,095,607 $838,161,582 -$17,473,045 $27.85 183
2015 Q2 30,306,137 $1,250,670,824 +$37,385,722 $41.27 173
2015 Q1 29,621,574 $898,254,268 +$24,883,359 $30.36 166
2014 Q4 28,861,708 $571,461,773 +$24,816,515 $19.80 158
2014 Q3 28,133,338 $560,134,714 -$3,584,613 $19.91 162
2014 Q2 28,122,228 $640,523,743 +$56,963,037 $22.79 162
2014 Q1 26,217,884 $337,427,505 +$13,060,004 $12.86 132