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Equibles

CITADEL ADVISORS LLC

Position in TMDX — TransMedics Group, Inc.

CIK 1423053 MIAMI, FL
Back to TMDX Full portfolio

Position in TMDX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$6,123,755
-$11,302,242 QoQ
Shares Held
61,601
-57.0% QoQ
Ownership
0.178%
of shares outstanding
% of Portfolio
0.00%
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 TMDX Over Time

Shares Held

Position Value (USD)

Derivatives in TMDX

reported options exposure · as of Mar 31, 2026
CallValue
$7,117,756
CallShares
71,600
PutValue
$9,483,714
PutShares
95,400

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

CITADEL ADVISORS LLC holds $1,870,037,695 across 83 Medical Devices names. TMDX ranks #32 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BSX
Boston Scientific Corp
 4,217,314 $264,636,453
2 ABT
Abbott Laboratories
 1,915,846 $196,699,908
3 GMED
Globus Medical Inc
 1,966,114 $169,400,381
4 GKOS
GLAUKOS Corp
 1,446,926 $155,776,052
5 DXCM
Dexcom Inc
 2,091,872 $131,369,561
6 ZBH
Zimmer Biomet Holdings, Inc.
 1,378,665 $124,658,889
7 GEHC
GE HealthCare Technologies Inc.
 1,293,268 $92,054,816
8 MDT
Medtronic plc
 982,741 $85,154,507

All Filings in TMDX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $6,123,755 61,601
2026-03-31 $7,117,756 71,600
2026-03-31 $9,483,714 95,400
2025-12-31 $14,938,620 122,800
2025-12-31 $17,425,997 143,247
2025-12-31 $10,206,435 83,900
2025-09-30 $26,961,660 240,300
2025-09-30 $14,015,686 124,917
2025-09-30 $40,178,820 358,100
2025-06-30 $54,930,699 409,900
2025-06-30 $20,964,658 156,441
2025-06-30 $37,536,201 280,100
2025-03-31 $18,279,976 271,700
2025-03-31 $41,019,875 609,689
2025-03-31 $19,591,936 291,200
2024-12-31 $14,523,434 232,934
2024-12-31 $14,745,775 236,500
2024-12-31 $19,097,805 306,300
2024-09-30 $30,395,200 193,600
2024-09-30 $15,966,900 101,700
2024-06-30 $23,195,480 154,000
2024-06-30 $7,365,318 48,900
2024-06-30 $11,768,543 78,134
2024-03-31 $4,451,188 60,200
2024-03-31 $3,179,420 43,000
2024-03-31 $12,705,405 171,834
2023-12-31 $907,695 11,500
2023-12-31 $2,446,830 31,000
2023-12-31 $15,043,189 190,589
2023-09-30 $1,144,275 20,900
2023-09-30 $2,606,100 47,600
2023-09-30 $6,111,194 111,620
2023-06-30 $1,226,108 14,600
2023-06-30 $1,855,958 22,100
2023-06-30 $816,537 9,723
2023-03-31 $6,590,251 87,023
2023-03-31 $992,063 13,100
2023-03-31 $1,809,947 23,900
2022-12-31 $623,372 10,100
2022-12-31 $1,759,020 28,500
2022-12-31 $15,254,221 247,152
2022-09-30 $855,670 20,500
2022-09-30 $1,540,206 36,900
2022-09-30 $5,934,885 142,187
2022-06-30 $512,635 16,300
2022-06-30 $5,409,714 172,010
2022-03-31 $231,684 8,600
2022-03-31 $334,056 12,400
2021-12-31 $375,536 19,600
2021-12-31 $319,972 16,700

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