Ken Griffin Trans Medics Group, Inc. Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Trans Medics Group, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 358,100 shares of TMDX stock, worth $41.2 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

358,100

Previous 409,900 12.64%

Holding current value

$41.2 Million

Previous $54.9 Million 26.86%

% of portfolio

0.01%

Previous 0.01%

23 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$103.61 - $132.04 $3.27 Million - $4.16 Million	-31,524 Reduced 20.15%	124,917 $14 Million
Q2 2025 Aug 14, 2025	SELL	$67.67 - $143.04 $30.7 Million - $64.8 Million	-453,248 Reduced 74.34%	156,441 $21 Million
Q1 2025 May 15, 2025	BUY	$56.73 - $79.42 $21.4 Million - $29.9 Million	376,755 Added 161.74%	609,689 $41 Million
Q4 2024 Feb 14, 2025	BUY	$59.28 - $144.9 $13.8 Million - $33.8 Million	232,934 New	232,934 $14.5 Million
Q2 2024 Aug 14, 2024	SELL	$72.62 - $150.62 $6.8 Million - $14.1 Million	-93,700 Reduced 54.53%	78,134 $11.8 Million

Q1 2024 May 15, 2024	SELL	$70.86 - $89.93 $1.33 Million - $1.69 Million	-18,755 Reduced 9.84%	171,834 $12.7 Million
Q4 2023 Feb 14, 2024	BUY	$36.74 - $81.08 $2.9 Million - $6.4 Million	78,969 Added 70.75%	190,589 $15 Million
Q3 2023 Nov 14, 2023	BUY	$53.47 - $96.07 $5.45 Million - $9.79 Million	101,897 Added 1048.0%	111,620 $6.11 Million
Q2 2023 Aug 14, 2023	SELL	$66.23 - $88.73 $5.12 Million - $6.86 Million	-77,300 Reduced 88.83%	9,723 $816,000
Q1 2023 May 15, 2023	SELL	$53.63 - $82.33 $8.59 Million - $13.2 Million	-160,129 Reduced 64.79%	87,023 $6.59 Million
Q4 2022 Feb 14, 2023	BUY	$39.08 - $64.29 $4.1 Million - $6.75 Million	104,965 Added 73.82%	247,152 $15.3 Million
Q3 2022 Nov 14, 2022	SELL	$31.56 - $55.75 $941,213 - $1.66 Million	-29,823 Reduced 17.34%	142,187 $5.94 Million
Q2 2022 Aug 15, 2022	BUY	$20.56 - $32.15 $3.26 Million - $5.11 Million	158,794 Added 1201.53%	172,010 $5.41 Million
Q4 2021 Feb 14, 2022	BUY	$19.16 - $32.68 $45,811 - $78,137	2,391 Added 22.09%	13,216 $253,000
Q3 2021 Nov 15, 2021	SELL	$25.92 - $34.51 $1.71 Million - $2.27 Million	-65,909 Reduced 85.89%	10,825 $358,000
Q2 2021 Aug 16, 2021	BUY	$21.63 - $40.07 $1.35 Million - $2.51 Million	62,540 Added 440.61%	76,734 $2.55 Million
Q1 2021 May 17, 2021	SELL	$17.75 - $47.82 $865,436 - $2.33 Million	-48,757 Reduced 77.45%	14,194 $589,000
Q3 2020 Nov 16, 2020	BUY	$13.78 - $18.84 $867,464 - $1.19 Million	62,951 New	62,951 $868,000
Q2 2020 Aug 14, 2020	SELL	$11.66 - $18.26 $132,352 - $207,269	-11,351 Closed	0 $0
Q1 2020 May 15, 2020	SELL	$10.5 - $20.2 $42,094 - $80,981	-4,009 Reduced 26.1%	11,351 $137,000
Q4 2019 Feb 14, 2020	SELL	$16.61 - $21.64 $540,904 - $704,706	-32,565 Reduced 67.95%	15,360 $292,000
Q3 2019 Nov 14, 2019	BUY	$20.27 - $28.93 $75,708 - $108,053	3,735 Added 8.45%	47,925 $1.14 Million
Q2 2019 Aug 14, 2019	BUY	$22.36 - $30.41 $988,088 - $1.34 Million	44,190 New	44,190 $1.28 Million

Others Institutions Holding TMDX

# of Institutions

438

Shares Held

30.4M

Call Options Held

1.01M

Put Options Held

928K

View Full List

About TransMedics Group, Inc.

Ticker TMDX
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 31,831,400
Market Cap $3.66B
Description
TransMedics Group, Inc., a commercial-stage medical technology company, engages in transforming organ transplant therapy for end-stage organ failure patients in the United States and internationally. The company offers Organ Care System (OCS), a portable organ perfusion, optimization, and monitoring system that utilizes its proprietary and custo...

More about TMDX

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