Main Street Research’s TMC The Metals Company TMC Stock Holding History

Main Street Research’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 Q2	$44.3K	Hold	10,000	–	–	﹤0.01%	140
2026 Q1	$46.7K	Buy	+10,000	New	+$64.4K	﹤0.01%	148
2025 Q4	–	Sell	-10,000	Closed	-$63.7K	–	146
2025 Q3	$63.7K	Buy	+10,000	New	+$60K	﹤0.01%	129
2023 Q1	–	Sell	-15,000	Closed	-$11.6K	–	108
2022 Q4	$11.6K	Buy	15,000 +5,000	+50%	+$4.32K	﹤0.01%	97
2022 Q3	$11K	Buy	+10,000	New	+$9.64K	﹤0.01%	97

Other funds holding TMC

MCP

Mirador Capital Partners Pleasanton, California $817M AUM 42.46% 1-Year Est. Return

SLT Holdings Scottsdale, Arizona $160M AUM 52.3% 1-Year Est. Return

Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

OAS

Optivise Advisory Services Franklin, Tennessee $197M AUM 26.07% 1-Year Est. Return

HSWM

Hubbell Strickland Wealth Management New Orleans, Louisiana $277M AUM 19.38% 1-Year Est. Return

KAS

Kestra Advisory Services Austin, Texas $31B AUM 28.39% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

OWMIAS

One Wealth Management Investment & Advisory Services Miami Beach, Florida $95.3M AUM 25.31% 1-Year Est. Return

Main Street Research's TMC Position: Q2 2026 in Review

Main Street Research held its TMC The Metals Company (TMC) position steady in Q2 2026 at 10,000 shares worth $44.3K. The position accounts for ﹤0.01% of the portfolio, ranked #140.

Main Street Research first reported a position in TMC in Q3 2022 and has held it in 5 quarters since. The position peaked at $63.7K in Q3 2025. 53 funds tracked by Wall St. Rank hold TMC as of Q2 2026.

Main Street Research held 10,000 shares of TMC The Metals Company worth $44.3K as of Q2 2026.
Main Street Research left its TMC The Metals Company share count unchanged in Q2 2026.
TMC The Metals Company made up ﹤0.01% of Main Street Research's portfolio in Q2 2026, its #140 holding.
Main Street Research first reported a position in TMC The Metals Company in Q3 2022 and has held it in 5 quarters since.
Main Street Research's TMC The Metals Company position peaked at $63.7K in Q3 2025.
53 funds tracked by Wall St. Rank held TMC The Metals Company as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.