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Balyasny Asset Management L.P.

Position in BSX — Boston Scientific Corp

CIK 1218710 Chicago, IL

Position in BSX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$85,097,345
-$151,537,422 QoQ
Shares Held
1,356,133
-45.4% QoQ
Ownership
0.091%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in BSX Over Time

Shares Held

Position Value (USD)

Derivatives in BSX

reported options exposure · as of Mar 31, 2026
CallValue
$1,474,625
CallShares
23,500
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 Mar 31, 2026

Balyasny Asset Management L.P. holds $878,026,211 across 43 Medical Devices names. BSX ranks #4 (9.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 BSX
Boston Scientific Corp
This page
1,356,133 $85,097,345

All Filings in BSX

Export CSV
47 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,474,625 23,500
2026-03-31 $85,097,345 1,356,133
2025-12-31 $236,634,767 2,481,749
2025-12-31 $8,028,470 84,200
2025-12-31 $5,291,925 55,500
2025-09-30 $151,707,354 1,553,901
2025-09-30 $26,887,302 275,400
2025-09-30 $3,924,726 40,200
2025-06-30 $4,199,731 39,100
2025-06-30 $161,642,705 1,504,913
2025-03-31 $5,508,048 54,600
2025-03-31 $185,435,497 1,838,179
2025-03-31 $453,960 4,500
2024-12-31 $2,331,252 26,100
2024-12-31 $8,449,672 94,600
2024-12-31 $157,793,426 1,766,608
2024-09-30 $2,019,580 24,100
2024-09-30 $289,579,615 3,455,604
2024-09-30 $6,226,340 74,300
2024-06-30 $1,624,911 21,100
2024-06-30 $5,544,720 72,000
2024-06-30 $224,566,781 2,916,073
2024-03-31 $109,127,445 1,593,334
2024-03-31 $7,807,860 114,000
2024-03-31 $2,883,429 42,100
2023-12-31 $77,035,062 1,332,556
2023-12-31 $2,433,801 42,100
2023-12-31 $6,590,340 114,000
2023-09-30 $13,728,000 260,000
2023-09-30 $400,012 7,576
2023-06-30 $1,022,950 18,912
2023-03-31 $29,718,720 594,018
2022-09-30 $90,912,284 2,347,335
2022-09-30 $15,104,700 390,000
2022-06-30 $44,119,107 1,183,770
2022-06-30 $98,020,100 2,630,000
2022-03-31 $21,094,574 476,283
2022-03-31 $12,401,200 280,000
2021-09-30 $93,519,681 2,155,328
2021-06-30 $812,440 19,000
2021-06-30 $74,059,293 1,731,976
2021-06-30 $761,128 17,800
2020-12-31 $3,595,000 100,000
2020-09-30 $11,463,000 300,000
2020-06-30 $5,266,500 150,000
2020-06-30 $5,202,529 148,178
2020-03-31 $71,131,311 2,179,936