Position in RGEN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$107,592,627
-$9,194,733 QoQ
Shares Held
788,571
+24.2% QoQ
Ownership
1.40%
of shares outstanding
% of Portfolio
0.33%
of 13F equity value
Holder Rank
#26
of 476 holders
Holding Since
Jun 2022
9 quarters on record
Voting authority
Sole 91%
Shared 0%
None 9%
Common Shares in RGEN Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $364,975,026 across 5 Medical Instruments & Supplies names. RGEN ranks #2 (29.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WST |
West Pharmaceutical Services Inc
|
417,309 | $149,813,931 | |
| 2 | RGEN |
Repligen Corp
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|
788,571 | $107,592,627 | |
| 3 | MMSI |
Merit Medical Systems Inc
|
1,137,790 | $78,894,358 | |
| 4 | ICUI |
Icu Medical Inc/De
|
172,181 | $25,241,734 | |
| 5 | ISRG |
Intuitive Surgical Inc
|
8,631 | $3,432,376 |
All Filings in RGEN
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $107,592,627 | 788,571 | Shares | Sole | 2026-08-12 | |
| 2024-03-31 | $116,787,360 | 634,990 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $162,855,648 | 905,760 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $150,565,455 | 946,893 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $133,802,628 | 945,869 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $153,437,916 | 911,368 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $114,042,475 | 673,572 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $102,421,020 | 547,384 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $119,053,166 | 733,086 | Shares | Sole | 2022-08-10 | |
| No filing history on record for this holder in this stock. | ||||||