Position in HOLX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$357,009,151
+$237,203,905 QoQ
Shares Held
4,722,968
+193.7% QoQ
Ownership
2.12%
of shares outstanding
% of Portfolio
0.76%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in HOLX Over Time
Shares Held
Position Value (USD)
Derivatives in HOLX
reported options exposure · as of Sep 30, 2022CallValue
$980,704
CallShares
15,200
PutValue
$980,704
PutShares
15,200
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 Mar 31, 2026Balyasny Asset Management L.P. holds $607,514,519 across 17 Medical Instruments & Supplies names. HOLX ranks #1 (58.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
This page
|
4,722,968 | $357,009,151 | |
| 2 | ISRG |
Intuitive Surgical Inc
|
128,739 | $59,347,391 | |
| 3 | TFX |
Teleflex Inc
|
401,417 | $48,013,487 | |
| 4 | ATR |
Aptargroup, Inc.
|
271,589 | $34,225,645 | |
| 5 | MDLN |
Medline Inc.
|
618,293 | $27,514,038 | |
| 6 | MMSI |
Merit Medical Systems Inc
|
320,659 | $22,103,024 | |
| 7 | COO |
Cooper Companies, Inc.
|
237,618 | $16,989,686 | |
| 8 | RGEN |
Repligen Corp
|
125,469 | $14,782,757 |
All Filings in HOLX
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $357,009,151 | 4,722,968 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $119,805,246 | 1,608,340 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $82,226,576 | 1,218,352 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,843,233 | 105,022 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,816,959 | 45,604 | Shares | Sole | 2025-05-15 | |
| 2024-09-30 | $1,487,541 | 18,261 | Shares | Sole | 2024-11-14 | |
| 2023-12-31 | $305,663 | 4,278 | Shares | Other | 2024-02-14 | |
| 2022-12-31 | $1,400,143 | 18,716 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $980,704 | 15,200 | Call | Sole | 2022-11-15 | |
| 2022-09-30 | $980,704 | 15,200 | Put | Sole | 2022-11-15 | |
| 2022-06-30 | $263,340 | 3,800 | Put | Sole | 2022-08-15 | |
| 2022-06-30 | $263,340 | 3,800 | Call | Sole | 2022-08-15 | |
| 2022-03-31 | $16,508,464 | 214,898 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $62,473,878 | 816,012 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $66,358,290 | 899,042 | Shares | Sole | 2021-12-01 | |
| 2021-06-30 | $78,201,978 | 1,172,092 | Shares | Sole | 2021-08-16 | |
| 2020-09-30 | $13,294,000 | 200,000 | Put | Sole | 2020-11-16 | |
| 2020-09-30 | $10,702,135 | 161,007 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $46,235,778 | 811,154 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $25,183,126 | 717,468 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||