Position in SIBN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$947,250
+$938,929 QoQ
Shares Held
75,000
+17672.5% QoQ
Ownership
0.169%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in SIBN Over Time
Shares Held
Position Value (USD)
Derivatives in SIBN
reported options exposure · as of Mar 31, 2026CallValue
$1,263,000
CallShares
100,000
PutValue
$2,399,700
PutShares
190,000
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, 2026Caption Management, LLC holds $29,161,696 across 11 Medical Devices names. SIBN ranks #4 (3.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
374,400 | $23,493,600 | |
| 2 | ITGR |
Integer Holdings Corp
|
20,625 | $1,815,000 | |
| 3 | DXCM |
Dexcom Inc
|
16,316 | $1,024,644 | |
| 4 | SIBN |
SI-BONE, Inc.
This page
|
75,000 | $947,250 | |
| 5 | DCTH |
Delcath Systems, Inc.
|
77,700 | $721,056 | |
| 6 | APYX |
Apyx Medical Corp
|
185,751 | $685,421 | |
| 7 | CATX |
Perspective Therapeutics, Inc.
|
60,000 | $250,200 | |
| 8 | QDEL |
QuidelOrtho Corp
|
9,920 | $162,985 |
All Filings in SIBN
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,263,000 | 100,000 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $2,399,700 | 190,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $947,250 | 75,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,628,676 | 133,300 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $8,321 | 422 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $3,238,024 | 164,200 | Call | Sole | 2026-02-17 | |
| 2025-06-30 | $28,230 | 1,500 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $245,525 | 17,500 | Call | Sole | 2025-05-15 | |
| 2024-09-30 | $1,265,190 | 90,500 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $1,265,777 | 90,542 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,603,320 | 124,000 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $1,616,250 | 125,000 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $965,830 | 59,000 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $1,216,291 | 74,300 | Put | Sole | 2024-05-15 | |
| 2023-09-30 | $424,800 | 20,000 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $674,500 | 25,000 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $491,750 | 25,000 | Call | Sole | 2023-05-15 | |
| 2022-06-30 | $864,600 | 65,500 | Call | Sole | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||