Position in RGEN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$51,225,072
-$98,137,742 QoQ
Shares Held
434,774
-52.3% QoQ
Ownership
0.771%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in RGEN Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026FRED ALGER MANAGEMENT, LLC holds $259,813,459 across 6 Medical Instruments & Supplies names. RGEN ranks #2 (19.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
386,739 | $178,282,810 | |
| 2 | RGEN |
Repligen Corp
This page
|
434,774 | $51,225,072 | |
| 3 | BLFS |
Biolife Solutions Inc
|
1,079,935 | $20,605,159 | |
| 4 | WST |
West Pharmaceutical Services Inc
|
35,942 | $9,008,502 | |
| 5 | WRBY |
Warby Parker Inc.
|
17,797 | $374,982 | |
| 6 | ICUI |
Icu Medical Inc/De
|
2,454 | $316,934 |
All Filings in RGEN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $51,225,072 | 434,774 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $149,362,814 | 911,527 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $47,910,268 | 358,422 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $37,258,775 | 299,556 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $55,608,587 | 437,037 | Shares | Sole | 2025-05-16 | |
| 2024-12-31 | $51,747,437 | 359,507 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $59,312,806 | 398,554 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $38,791,561 | 307,723 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $78,403,624 | 426,292 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $77,041,423 | 428,484 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $77,075,645 | 484,722 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $80,650,731 | 570,131 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $99,582,919 | 591,488 | Shares | Sole | 2023-05-16 | |
| 2022-12-31 | $70,302,421 | 415,229 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $92,113,504 | 492,296 | Shares | Sole | 2022-11-15 | |
| 2022-06-30 | $105,148,640 | 647,467 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $192,953,631 | 1,025,858 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $322,745,147 | 1,218,642 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $454,869,682 | 1,573,998 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $276,692,683 | 1,386,097 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $287,178,174 | 1,477,178 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $251,191,286 | 1,310,814 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $168,782,514 | 1,143,978 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $125,272,307 | 1,013,448 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $100,010,323 | 1,035,947 | Shares | Sole | 2020-05-19 | |
| No filing history on record for this holder in this stock. | ||||||