Position in ATR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$34,225,645
+$23,650,616 QoQ
Shares Held
271,589
+213.2% QoQ
Ownership
0.426%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
14 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ATR Over Time
Shares Held
Position Value (USD)
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. ATR ranks #4 (5.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HOLX |
HOLOGIC INC
|
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.
This page
|
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 ATR
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14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $34,225,645 | 271,589 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $10,575,029 | 86,709 | Shares | Sole | 2026-02-17 | |
| 2024-09-30 | $4,166,221 | 26,008 | Shares | Sole | 2024-11-14 | |
| 2024-03-31 | $30,500,075 | 211,968 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $57,520,014 | 465,297 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $81,520,452 | 651,955 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $3,705,782 | 31,985 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,647,573 | 22,401 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $2,502,374 | 22,753 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $666,255 | 7,011 | Shares | Sole | 2022-11-15 | |
| 2022-06-30 | $1,441,843 | 13,970 | Shares | Sole | 2022-08-15 | |
| 2021-12-31 | $2,851,701 | 23,283 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $561,422 | 4,704 | Shares | Sole | 2021-12-01 | |
| 2020-09-30 | $4,134,403 | 36,523 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||