Jane Street’s Materion MTRN Stock Holding History

Jane Street’s Portfolio MTRN Stock Details MTRN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$268K	Buy	+900	New	+$188K	﹤0.01%	9471

Other funds holding MTRN

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

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

Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Jane Street's MTRN Position: Q2 2026 in Review

Jane Street increased its Materion (MTRN) stake by 127% in Q2 2026, buying an estimated $6.34M and bringing the position to 54,177 shares worth $16.1M. The position accounts for ﹤0.01% of the portfolio, ranked #2348.

Jane Street first reported a position in MTRN in Q1 2021 and has held it in 17 quarters since. 406 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

Jane Street held 54,177 shares of Materion worth $16.1M as of Q2 2026.
Jane Street bought 30,296 Materion shares in Q2 2026, an estimated $6.34M.
Materion made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #2348 holding.
Jane Street first reported a position in Materion in Q1 2021 and has held it in 17 quarters since.
406 funds tracked by Wall St. Rank held Materion as of Q2 2026.

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