Jane Street’s Mistras Group MG Stock Holding History

Jane Street’s Portfolio MG Stock Details MG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.41M	Buy	+80,600	New	+$1.43M	﹤0.01%	5805
2026 Q1	–	Sell	-35,400	Closed	-$448K	–	12436
2025 Q4	$448K	Buy	+35,400	New	+$399K	﹤0.01%	7944
2025 Q3	–	Sell	-53,800	Closed	-$431K	–	11386
2025 Q2	$431K	Sell	53,800 -31,400	-37%	-$264K	﹤0.01%	7213
2025 Q1	$901K	Buy	+85,200	New	+$841K	﹤0.01%	5760

Other funds holding MG

MRCM

Mill Road Capital Management Greenwich, Connecticut $203M AUM 79.43% 1-Year Est. Return

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

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

WCM

Weber Capital Management San Francisco, California $118M AUM

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

IES Holdings Houston, Texas $311M AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

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

Jane Street's MG Position: Q2 2026 in Review

Jane Street sold out of Mistras Group (MG) in Q2 2026, closing a stake of 49,764 shares — an estimated $886K sold.

Jane Street first reported a position in MG in Q2 2020 and held it in 12 quarters. The position peaked at $955K in Q3 2025. 137 funds tracked by Wall St. Rank hold MG as of Q2 2026.

Jane Street reported no remaining Mistras Group position as of Q2 2026 after selling out during the quarter.
Jane Street sold 49,764 Mistras Group shares in Q2 2026, an estimated $886K.
Jane Street first reported a position in Mistras Group in Q2 2020 and held it in 12 quarters.
Jane Street's Mistras Group position peaked at $955K in Q3 2025.
137 funds tracked by Wall St. Rank held Mistras Group as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.