Dynamic Technology Lab’s National Presto Industries NPK Stock Holding History

Dynamic Technology Lab’s Portfolio NPK Stock Details NPK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$658K	Buy	5,265 +2,482	+89%	+$337K	0.15%	240
2026 Q1	$381K	Buy	+2,783	New	+$357K	0.06%	536
2025 Q4	–	Sell	-1,850	Closed	-$207K	–	978
2025 Q3	$207K	Buy	+1,850	New	+$196K	0.04%	674
2024 Q2	–	Sell	-4,292	Closed	-$360K	–	1242
2024 Q1	$360K	Buy	+4,292	New	+$339K	0.04%	712
2023 Q3	–	Sell	-6,080	Closed	-$445K	–	1198
2023 Q2	$445K	Buy	+6,080	New	+$447K	0.06%	553
2020 Q2	–	Sell	-5,973	Closed	-$423K	–	1217
2020 Q1	$423K	Buy	+5,973	New	+$503K	0.08%	428
2018 Q3	–	Sell	-4,135	Closed	-$512K	–	1245
2018 Q2	$512K	Buy	+4,135	New	+$446K	0.08%	448
2017 Q2	–	Sell	-5,649	Closed	-$577K	–	1226
2017 Q1	$577K	Buy	+5,649	New	+$583K	0.14%	241

Other funds holding NPK

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

MVP

Medina Value Partners Los Angeles, California $510M AUM 26.16% 1-Year Est. Return

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

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

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

JGC

J. Goldman & Co New York $3.87B AUM 46.92% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dynamic Technology Lab's NPK Position: Q2 2026 in Review

Dynamic Technology Lab increased its National Presto Industries (NPK) stake by 89% in Q2 2026, buying an estimated $337K and bringing the position to 5,265 shares worth $658K. The position accounts for 0.15% of the portfolio, ranked #240.

Dynamic Technology Lab first reported a position in NPK in Q1 2017 and has held it in 8 quarters since. 182 funds tracked by Wall St. Rank hold NPK as of Q2 2026.

Dynamic Technology Lab held 5,265 shares of National Presto Industries worth $658K as of Q2 2026.
Dynamic Technology Lab bought 2,482 National Presto Industries shares in Q2 2026, an estimated $337K.
National Presto Industries made up 0.15% of Dynamic Technology Lab's portfolio in Q2 2026, its #240 holding.
Dynamic Technology Lab first reported a position in National Presto Industries in Q1 2017 and has held it in 8 quarters since.
182 funds tracked by Wall St. Rank held National Presto Industries as of Q2 2026.

Based on Dynamic Technology Lab's 13F filing for Q2 2026, filed 13 Aug 2026.