Mariner

Mariner’s TMC The Metals Company TMC Stock Holding History

Mariner’s Portfolio TMC Stock Details TMC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-92,845	Closed	-$573K	–	3831
2025 Q4	$573K	Buy	92,845 +39,249	+73%	+$276K	﹤0.01%	2353
2025 Q3	$341K	Buy	53,596 +8,386	+19%	+$50.3K	﹤0.01%	2710
2025 Q2	$298K	Sell	45,210 -109,412	-71%	-$420K	﹤0.01%	2731
2025 Q1	$266K	Buy	154,622 +38,441	+33%	+$64.6K	﹤0.01%	2741
2024 Q4	$130K	Sell	116,181 -46,078	-28%	-$43.4K	﹤0.01%	3123
2024 Q3	$172K	Buy	162,259 +10,378	+7%	+$11.6K	﹤0.01%	2973
2024 Q2	$205K	Hold	151,881	–	–	﹤0.01%	2780
2024 Q1	$217K	Sell	151,881 -300	-0.2%	-$418	﹤0.01%	2698
2023 Q4	$167K	Hold	152,181	–	–	﹤0.01%	2742
2023 Q3	$151K	Buy	152,181 +50,779	+50%	+$72.9K	﹤0.01%	2597
2023 Q2	$165K	Hold	101,402	–	–	﹤0.01%	2525
2023 Q1	$84K	Buy	101,402 +4	+0%	+$4	﹤0.01%	2602
2022 Q4	$78K	Buy	101,398 +5,912	+6%	+$5.11K	﹤0.01%	2561
2022 Q3	$100K	Buy	+95,486	New	+$92.1K	﹤0.01%	2206
2022 Q2	–	Sell	-95,645	Closed	-$248K	–	1450
2022 Q1	$248K	Buy	+95,645	New	+$171K	﹤0.01%	1330

Other funds holding TMC

First Manhattan

First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Citadel Advisors

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Millennium Management

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Baird Financial Group

Baird Financial Group Milwaukee, Wisconsin $64B AUM 22.64% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Susquehanna International Group

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Tudor Investment Corp

Tudor Investment Corp Stamford, Connecticut $53.9B AUM 29.12% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return