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D. E. Shaw & Co., Inc.

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1009207 New York, NY

Position in TMO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$321,691,125
+$172,832,249 QoQ
Shares Held
641,637
+111.9% QoQ
Ownership
0.174%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#82
of 2,606 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in TMO Over Time

Shares Held

Position Value (USD)

Derivatives in TMO

reported options exposure · as of Jun 30, 2026
CallValue
$300,816
CallShares
600
PutValue
$250,680
PutShares
500

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 Jun 30, 2026

D. E. Shaw & Co., Inc. holds $2,287,511,101 across 27 Diagnostics & Research names. TMO ranks #3 (14.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 TMO
Thermo Fisher Scientific Inc.
This page
641,637 $321,691,125

All Filings in TMO

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $300,816 600
2026-06-30 $321,691,125 641,637
2026-06-30 $250,680 500
2026-03-31 $294,918 600
2026-03-31 $148,858,876 302,848
2026-03-31 $245,765 500
2025-12-31 $27,548,790 47,543
2025-12-31 $3,824,370 6,600
2025-12-31 $637,395 1,100
2025-09-30 $31,262,448 64,456
2025-09-30 $7,372,304 15,200
2025-06-30 $24,165,416 59,600
2025-06-30 $1,905,662 4,700
2025-06-30 $537,628,606 1,325,972
2025-03-31 $2,288,960 4,600
2025-03-31 $117,120,609 235,371
2025-03-31 $547,360 1,100
2024-12-31 $5,618,484 10,800
2024-12-31 $4,682,070 9,000
2024-12-31 $282,654,484 543,326
2024-09-30 $8,536,266 13,800
2024-09-30 $208,983,255 337,849
2024-06-30 $111,298,992 201,264
2024-06-30 $774,200 1,400
2024-03-31 $33,521,867 57,676
2024-03-31 $7,381,367 12,700
2024-03-31 $10,810,506 18,600
2023-12-31 $48,620,364 91,600
2023-12-31 $54,404,381 102,497
2023-12-31 $20,223,099 38,100
2023-09-30 $46,365,172 91,600
2023-09-30 $110,012,505 217,343
2023-09-30 $5,669,104 11,200
2023-06-30 $49,879,300 95,600
2023-06-30 $140,829,716 269,918
2023-06-30 $4,800,100 9,200
2023-03-31 $10,086,475 17,500
2023-03-31 $31,873,261 55,300
2023-03-31 $25,776,995 44,723
2022-12-31 $37,688,672 68,439
2022-12-31 $34,748,539 63,100
2022-12-31 $39,209,128 71,200
2022-09-30 $16,483,675 32,500
2022-09-30 $170,101,888 335,381
2022-09-30 $24,852,310 49,000
2022-06-30 $130,233,451 239,717
2022-06-30 $15,972,432 29,400
2022-06-30 $29,337,120 54,000
2022-03-31 $220,098,634 372,638
2022-03-31 $46,956,675 79,500