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Balyasny Asset Management L.P.

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1218710 Chicago, IL

Position in TMO

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$273,031,643
+$268,104,001 QoQ
Shares Held
555,473
+6431.9% QoQ
Ownership
0.149%
of shares outstanding
% of Portfolio
0.58%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in TMO Over Time

Shares Held

Position Value (USD)

Derivatives in TMO

reported options exposure · as of Mar 31, 2026
CallValue
$5,652,595
CallShares
11,500
PutValue
$1,867,814
PutShares
3,800

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 Diagnostics & Research

Healthcare · as of Mar 31, 2026

Balyasny Asset Management L.P. holds $560,217,936 across 18 Diagnostics & Research names. TMO ranks #1 (48.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TMO
Thermo Fisher Scientific Inc.
This page
555,473 $273,031,643

All Filings in TMO

Export CSV
47 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,652,595 11,500
2026-03-31 $273,031,643 555,473
2026-03-31 $1,867,814 3,800
2025-12-31 $15,529,260 26,800
2025-12-31 $3,476,700 6,000
2025-12-31 $4,927,642 8,504
2025-09-30 $2,376,598 4,900
2025-09-30 $4,074,168 8,400
2025-06-30 $98,978,056 244,113
2025-06-30 $851,466 2,100
2025-06-30 $13,015,266 32,100
2025-03-31 $16,437,718 33,034
2025-03-31 $22,939,360 46,100
2025-03-31 $18,809,280 37,800
2024-12-31 $6,658,944 12,800
2024-12-31 $2,549,127 4,900
2024-12-31 $5,388,542 10,358
2024-09-30 $1,298,997 2,100
2024-09-30 $2,721,708 4,400
2024-09-30 $16,059,932 25,963
2024-06-30 $1,161,300 2,100
2024-06-30 $71,762,810 129,770
2024-06-30 $3,483,900 6,300
2024-03-31 $19,957,007 34,337
2024-03-31 $523,089 900
2023-12-31 $1,114,659 2,100
2023-12-31 $134,280,846 252,983
2023-12-31 $1,645,449 3,100
2023-09-30 $70,129,346 138,549
2023-09-30 $658,021 1,300
2023-09-30 $253,085 500
2023-06-30 $2,519,009 4,828
2023-06-30 $6,782,750 13,000
2023-03-31 $3,243,233 5,627
2022-12-31 $23,125,675 41,994
2022-09-30 $4,359,298 8,595
2022-06-30 $54,968,527 101,179
2022-03-31 $8,269,100 14,000
2021-12-31 $82,268,690 123,297
2021-09-30 $63,098,827 110,442
2021-06-30 $76,541,215 151,726
2021-06-30 $756,705 1,500
2021-06-30 $857,599 1,700
2021-03-31 $18,837,997 41,277
2020-09-30 $4,415,200 10,000
2020-06-30 $30,339,452 83,732
2020-03-31 $8,508,000 30,000