Balyasny Asset Management L.P.
Position in INSP — Inspire Medical Systems, Inc.
CIK 1218710
Chicago, IL
Position in INSP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,832,732
-$9,435,121 QoQ
Shares Held
151,856
-18.9% QoQ
Ownership
0.525%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
16 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in INSP Over Time
Shares Held
Position Value (USD)
Derivatives in INSP
reported options exposure · as of Jun 30, 2025CallValue
$480,149
CallShares
3,700
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 Devices
Healthcare · as of Jun 30, 2026Balyasny Asset Management L.P. holds $729,959,673 across 38 Medical Devices names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
1,090,163 | $344,218,967 | |
| 2 | MDT |
Medtronic plc
|
986,367 | $77,163,489 | |
| 3 | GKOS |
GLAUKOS Corp
|
491,636 | $68,711,047 | |
| 4 | ABT |
Abbott Laboratories
|
740,808 | $67,220,917 | |
| 5 | EW |
Edwards Lifesciences Corp
|
456,202 | $41,268,032 | |
| 6 | 739,829 | $18,406,945 | |||
| 7 | BBNX |
Beta Bionics, Inc.
|
855,682 | $13,408,536 | |
| 8 | AXGN |
Axogen, Inc.
|
253,498 | $11,709,072 |
All Filings in INSP
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,832,732 | 151,856 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,267,853 | 187,226 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $45,585,437 | 614,359 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $480,149 | 3,700 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $764,544 | 4,800 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $254,848 | 1,600 | Put | Sole | 2025-05-15 | |
| 2024-12-31 | $351,295 | 1,895 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $407,836 | 2,200 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $2,849,175 | 13,500 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $590,940 | 2,800 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $42,169,565 | 315,098 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $16,533,460 | 76,975 | Shares | Other | 2024-05-13 | |
| 2023-12-31 | $813,720 | 4,000 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $20,511,235 | 100,827 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $3,397,887 | 17,123 | Shares | Other | 2023-11-14 | |
| 2021-09-30 | $6,345,980 | 27,250 | Shares | Sole | 2021-12-01 | |
| 2021-06-30 | $33,799,821 | 174,893 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,605,828 | 7,758 | Shares | Sole | 2021-05-17 | |
| 2020-09-30 | $4,004,034 | 31,027 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $5,989,325 | 68,827 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||