Optiver Holding
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Optiver Holding’s National Presto Industries NPK Stock Holding History

Optiver Holding’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 		– Sell
-62
Closed -$8.54K – 2991
2026
Q1 		$8.54K Buy
+62
New +$7.94K ﹤0.01% 1258
2025
Q4 		– Sell
-40
Closed -$4.49K – 2807
2025
Q3 		$4.49K Buy
+40
New +$4.25K ﹤0.01% 1833

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

Optiver Holding's NPK Position: Q2 2026 in Review

Optiver Holding sold out of National Presto Industries (NPK) in Q2 2026, closing a stake of 62 shares — an estimated $8.54K sold.

Optiver Holding first reported a position in NPK in Q3 2025 and held it in 2 quarters. The position peaked at $8.54K in Q1 2026. 181 funds tracked by Wall St. Rank hold NPK as of Q2 2026.

  • Optiver Holding reported no remaining National Presto Industries position as of Q2 2026 after selling out during the quarter.
  • Optiver Holding sold 62 National Presto Industries shares in Q2 2026, an estimated $8.54K.
  • Optiver Holding first reported a position in National Presto Industries in Q3 2025 and held it in 2 quarters.
  • Optiver Holding's National Presto Industries position peaked at $8.54K in Q1 2026.
  • 181 funds tracked by Wall St. Rank held National Presto Industries as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.