Aigen Investment Management’s Minerals Technologies MTX Stock Holding History

Aigen Investment Management’s Portfolio MTX Stock Details MTX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-10,517	Closed	-$641K	–	696
2025 Q4	$641K	Buy	10,517 +687	+7%	+$40.7K	0.15%	210
2025 Q3	$611K	Sell	9,830 -3,019	-23%	-$184K	0.09%	340
2025 Q2	$708K	Buy	+12,849	New	+$725K	0.1%	318
2020 Q2	–	Sell	-16,780	Closed	-$608K	–	1127
2020 Q1	$608K	Buy	16,780 +8,399	+100%	+$407K	0.08%	365
2019 Q4	$483K	Buy	+8,381	New	+$451K	0.08%	323

Other funds holding MTX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BIP

Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return

Aigen Investment Management's MTX Position: Q1 2026 in Review

Aigen Investment Management sold out of Minerals Technologies (MTX) in Q1 2026, closing a stake of 10,517 shares — an estimated $641K sold.

Aigen Investment Management first reported a position in MTX in Q4 2019 and held it in 5 quarters. The position peaked at $708K in Q2 2025. 280 funds tracked by Wall St. Rank hold MTX as of Q1 2026.

Aigen Investment Management reported no remaining Minerals Technologies position as of Q1 2026 after selling out during the quarter.
Aigen Investment Management sold 10,517 Minerals Technologies shares in Q1 2026, an estimated $641K.
Aigen Investment Management first reported a position in Minerals Technologies in Q4 2019 and held it in 5 quarters.
Aigen Investment Management's Minerals Technologies position peaked at $708K in Q2 2025.
280 funds tracked by Wall St. Rank held Minerals Technologies as of Q1 2026.

Based on Aigen Investment Management's 13F filing for Q1 2026, filed 15 May 2026.