Position in BSX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$30,371,000
-$15,778,400 QoQ
Shares Held
484,000
0.0% QoQ
Ownership
0.033%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in BSX Over Time
Shares Held
Position Value (USD)
Derivatives in BSX
reported options exposure · as of Jun 30, 2025CallValue
$2,706,732
CallShares
25,200
PutValue
$7,099,801
PutShares
66,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Mar 31, 2026Hudson Bay Capital Management LP holds $430,330,614 across 19 Medical Devices names. BSX ranks #6 (7.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
349,038 | $114,613,607 | |
| 2 | ITGR |
Integer Holdings Corp
|
1,000,000 | $88,000,000 | |
| 3 | NEOG |
Neogen Corp
|
6,500,180 | $60,386,672 | |
| 4 | MASI |
Masimo Corp
|
330,679 | $58,817,873 | |
| 5 | EW |
Edwards Lifesciences Corp
|
532,100 | $42,610,568 | |
| 6 | BSX |
Boston Scientific Corp
This page
|
484,000 | $30,371,000 | |
| 7 | PODD |
Insulet Corp
|
110,000 | $23,082,400 | |
| 8 | ABT |
Abbott Laboratories
|
75,000 | $7,700,250 |
All Filings in BSX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $30,371,000 | 484,000 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $46,149,400 | 484,000 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $47,439,002 | 485,906 | Shares | Sole | 2025-12-15 | |
| 2025-06-30 | $2,706,732 | 25,200 | Call | Sole | 2025-08-18 | |
| 2025-06-30 | $51,986,440 | 484,000 | Shares | Sole | 2025-08-18 | |
| 2025-06-30 | $7,099,801 | 66,100 | Put | Sole | 2025-08-18 | |
| 2025-03-31 | $595,192 | 5,900 | Put | Sole | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||