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FRED ALGER MANAGEMENT, LLC

Position in RGEN — Repligen Corp

CIK 3520 NEW YORK, NY

Position in RGEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$100,111,349
+$48,886,277 QoQ
Shares Held
733,739
+68.8% QoQ
Ownership
1.30%
of shares outstanding
% of Portfolio
0.33%
of 13F equity value
Holder Rank
#28
of 482 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in RGEN Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Jun 30, 2026

FRED ALGER MANAGEMENT, LLC holds $188,607,080 across 4 Medical Instruments & Supplies names. RGEN ranks #1 (53.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RGEN
Repligen Corp
This page
733,739 $100,111,349

All Filings in RGEN

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $100,111,349 733,739
2026-03-31 $51,225,072 434,774
2025-12-31 $149,362,814 911,527
2025-09-30 $47,910,268 358,422
2025-06-30 $37,258,775 299,556
2025-03-31 $55,608,587 437,037
2024-12-31 $51,747,437 359,507
2024-09-30 $59,312,806 398,554
2024-06-30 $38,791,561 307,723
2024-03-31 $78,403,624 426,292
2023-12-31 $77,041,423 428,484
2023-09-30 $77,075,645 484,722
2023-06-30 $80,650,731 570,131
2023-03-31 $99,582,919 591,488
2022-12-31 $70,302,421 415,229
2022-09-30 $92,113,504 492,296
2022-06-30 $105,148,640 647,467
2022-03-31 $192,953,631 1,025,858
2021-12-31 $322,745,147 1,218,642
2021-09-30 $454,869,682 1,573,998
2021-06-30 $276,692,683 1,386,097
2021-03-31 $287,178,174 1,477,178
2020-12-31 $251,191,286 1,310,814
2020-09-30 $168,782,514 1,143,978
2020-06-30 $125,272,307 1,013,448
2020-03-31 $100,010,323 1,035,947