Oberweis Asset Management’s TriMas Corp TRS Stock Holding History

Oberweis Asset Management’s Portfolio TRS Stock Details TRS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$16.3M	Buy	+362,000	New	+$14.4M	0.34%	103
2016 Q1	–	Sell	-32,500	Closed	-$606K	–	196
2015 Q4	$606K	Buy	+32,500	New	+$630K	0.17%	101

Other funds holding TRS

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

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

Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Advisory Research Chicago, Illinois $1B AUM 50.12% 1-Year Est. Return

PIP

Permian Investment Partners Dallas, Texas $911M AUM 0.66% 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

JFG

Jefferies Financial Group New York $15.2B AUM 55.75% 1-Year Est. Return

Oberweis Asset Management's TRS Position: Q2 2026 in Review

Oberweis Asset Management opened a new position in TriMas Corp (TRS) in Q2 2026: 362,000 shares worth $16.3M. The stake represents 0.34% of the portfolio and ranks #103 among its holdings. This is a return to the name: Oberweis Asset Management previously reported a position in TRS as recently as Q4 2015.

Oberweis Asset Management first reported a position in TRS in Q4 2015 and has held it in 2 quarters since. 208 funds tracked by Wall St. Rank hold TRS as of Q2 2026.

Oberweis Asset Management held 362,000 shares of TriMas Corp worth $16.3M as of Q2 2026.
TriMas Corp was a new Oberweis Asset Management position in Q2 2026.
TriMas Corp made up 0.34% of Oberweis Asset Management's portfolio in Q2 2026, its #103 holding.
Oberweis Asset Management first reported a position in TriMas Corp in Q4 2015 and has held it in 2 quarters since.
208 funds tracked by Wall St. Rank held TriMas Corp as of Q2 2026.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.