Position in RGEN
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$10,898,350
+$7,621,150 QoQ
Shares Held
92,500
+362.5% QoQ
Ownership
0.164%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
9 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RGEN Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026Hudson Bay Capital Management LP holds $61,771,181 across 7 Medical Instruments & Supplies names. RGEN ranks #2 (17.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
100,000 | $46,099,000 | |
| 2 | RGEN |
Repligen Corp
This page
|
92,500 | $10,898,350 | |
| 3 | ALC |
Alcon Inc
|
30,000 | $2,260,500 | |
| 4 | HOLX |
HOLOGIC INC
|
22,640 | $1,711,357 | |
| 5 | MBOT |
Microbot Medical Inc.
|
121,082 | $291,807 | |
| 6 | MMED |
MiniMed Group, Inc.
|
19,210 | $286,613 | |
| 7 | KMTS |
Kestra Medical Technologies, Ltd.
|
11,217 | $223,554 |
All Filings in RGEN
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,898,350 | 92,500 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $3,277,200 | 20,000 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,807,471 | 21,003 | Shares | Sole | 2025-12-15 | |
| 2024-09-30 | $5,952,800 | 40,000 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $6,933,300 | 55,000 | Shares | Sole | 2024-08-14 | |
| 2023-06-30 | $2,829,200 | 20,000 | Shares | Sole | 2023-08-14 | |
| 2022-12-31 | $4,656,025 | 27,500 | Shares | Sole | 2023-02-14 | |
| 2022-06-30 | $5,278,000 | 32,500 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $5,172,475 | 27,500 | Shares | Sole | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||