Position in BLCO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$16,356,808
+$5,143,795 QoQ
Shares Held
987,730
+40.1% QoQ
Ownership
0.277%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#11
of 98 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in BLCO Over Time
Shares Held
Position Value (USD)
Derivatives in BLCO
reported options exposure · as of Jun 30, 2026CallValue
$655,776
CallShares
39,600
PutValue
$0
PutShares
0
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 Instruments & Supplies
Healthcare · as of Jun 30, 2026CITADEL ADVISORS LLC holds $1,320,091,022 across 44 Medical Instruments & Supplies names. BLCO ranks #15 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COO |
Cooper Companies, Inc.
|
3,872,397 | $277,689,588 | |
| 2 | ISRG |
Intuitive Surgical Inc
|
470,076 | $186,939,823 | |
| 3 | TFX |
Teleflex Inc
|
1,140,950 | $144,626,822 | |
| 4 | WST |
West Pharmaceutical Services Inc
|
352,769 | $126,644,071 | |
| 5 | RMD |
Resmed Inc
|
508,284 | $99,054,385 | |
| 6 | ICUI |
Icu Medical Inc/De
|
536,225 | $78,610,585 | |
| 7 | MMSI |
Merit Medical Systems Inc
|
909,863 | $63,089,900 | |
| 8 | RGEN |
Repligen Corp
|
376,309 | $51,343,599 |
All Filings in BLCO
Export CSV
49 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $16,356,808 | 987,730 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $655,776 | 39,600 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $283,020 | 17,800 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $11,213,013 | 705,221 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $376,830 | 23,700 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $418,460 | 24,500 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $15,565,498 | 911,329 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $625,128 | 36,600 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $1,268,894 | 84,200 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $2,888,919 | 191,700 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $10,582,455 | 702,220 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $2,538,251 | 195,100 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $3,829,701 | 294,366 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $923,710 | 71,000 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $1,052,700 | 72,600 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $523,450 | 36,100 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $7,760,907 | 535,235 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $15,956,948 | 883,552 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,885,464 | 104,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $2,468,802 | 136,700 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $2,050,527 | 106,300 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $7,554,658 | 391,636 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $374,226 | 19,400 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $1,131,108 | 77,900 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $363,000 | 25,000 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $1,199,671 | 82,622 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $27,435,135 | 1,585,846 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $88,230 | 5,100 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $1,114,120 | 64,400 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $43,439,911 | 2,546,302 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $754,052 | 44,200 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $481,092 | 28,200 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $1,610,250 | 95,000 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $191,535 | 11,300 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $29,956,853 | 1,767,366 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,244,340 | 62,000 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $2,215,728 | 110,400 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $40,822 | 2,034 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $17,978,749 | 1,032,668 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $1,060,269 | 60,900 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $938,399 | 53,900 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $12,405,486 | 799,838 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $96,162 | 6,200 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $74,448 | 4,800 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $1,194,986 | 77,900 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $813,020 | 53,000 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $3,392,240 | 222,588 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $982,980 | 64,500 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $1,565,148 | 102,700 | Call | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||