Position in REGN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$259,607
-$2,559,914 QoQ
Shares Held
336
-91.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Weiss Asset Management LP holds $396,341,883 across 27 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TBPH |
Theravance Biopharma, Inc.
|
7,457,060 | $126,770,020 | |
| 2 | ROIV |
Roivant Sciences Ltd.
|
2,542,652 | $89,984,454 | |
| 3 | MLTX |
MoonLake Immunotherapeutics
|
2,581,813 | $50,267,899 | |
| 4 | BBIO |
BridgeBio Pharma, Inc.
|
320,184 | $23,847,304 | |
| 5 | TGTX |
Tg Therapeutics, Inc.
|
375,082 | $20,607,005 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
80,000 | $19,581,600 | |
| 7 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
134,014 | $10,923,481 | |
| 8 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
19,325 | $10,376,558 |
All Filings in REGN
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $259,607 | 336 | Shares | Defined | 2026-05-15 | |
| 2022-03-31 | $2,819,521 | 4,037 | Shares | Defined | 2022-05-13 | |
| No filing history on record for this holder in this stock. | ||||||