Mariner
NPK icon

Mariner’s National Presto Industries NPK Stock Holding History

Mariner’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 		$317K Sell
2,536
-2,358
-48% -$320K ﹤0.01% 2802
2026
Q1 		$671K Buy
4,894
+97
+2% +$12.4K ﹤0.01% 2267
2025
Q4 		$512K Sell
4,797
-663
-12% -$69.5K ﹤0.01% 2432
2025
Q3 		$612K Sell
5,460
-2,000
-27% -$212K ﹤0.01% 2270
2025
Q2 		$731K Buy
7,460
+2,284
+44% +$200K ﹤0.01% 2031
2025
Q1 		$455K Buy
5,176
+1,148
+29% +$109K ﹤0.01% 2278
2024
Q4 		$396K Buy
4,028
+679
+20% +$54.6K ﹤0.01% 2372
2024
Q3 		$252K Buy
+3,349
New +$250K ﹤0.01% 2729
2024
Q2 		– Sell
-2,866
Closed -$240K – 3251
2024
Q1 		$240K Sell
2,866
-991
-26% -$78.4K ﹤0.01% 2617
2023
Q4 		$310K Sell
3,857
-8
-0.2% -$615 ﹤0.01% 2318
2023
Q3 		$280K Buy
3,865
+539
+16% +$40.7K ﹤0.01% 2215
2023
Q2 		$243K Buy
+3,326
New +$245K ﹤0.01% 2289

Other funds holding NPK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MVP
Medina Value Partners Los Angeles, California $510M AUM 26.16% 1-Year Est. Return
AR
Advisory Research Chicago, Illinois $1B AUM 50.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
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
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Mariner's NPK Position: Q2 2026 in Review

Mariner reduced its National Presto Industries (NPK) stake by 48% in Q2 2026, selling an estimated $320K and leaving 2,536 shares worth $317K. The position accounts for ﹤0.01% of the portfolio, ranked #2802.

Mariner first reported a position in NPK in Q2 2023 and has held it in 12 quarters since. The position peaked at $731K in Q2 2025. 182 funds tracked by Wall St. Rank hold NPK as of Q2 2026.

  • Mariner held 2,536 shares of National Presto Industries worth $317K as of Q2 2026.
  • Mariner sold 2,358 National Presto Industries shares in Q2 2026, an estimated $320K.
  • National Presto Industries made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2802 holding.
  • Mariner first reported a position in National Presto Industries in Q2 2023 and has held it in 12 quarters since.
  • Mariner's National Presto Industries position peaked at $731K in Q2 2025.
  • 182 funds tracked by Wall St. Rank held National Presto Industries as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.