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NPKI — NPK INTERNATIONAL INC

Reported value held$495.39M
Funds holding (latest)41
SectorIndustrials
Funds holding (Q2 2026)38
Institutional value$436.46M · 27.52M sh
New / Add / Cut / Exit4 / 19 / 14 / 2
Top-5 / Top-10 concentration55.3% / 74.7%
Institutional holdings change Accumulating +12.6% (+3.07M sh)
Institutional value change Up +23.6%

As of Q2 2026, 38 SEC-registered investment managers reported holding NPKI (NPK INTERNATIONAL INC) in their latest 13F filings, with a combined reported value of $436.46M across 27.52M shares. That is +12.6% by share count (+3.07M shares) versus the previous quarter, while reported value moved +23.6%. Ownership is concentrated: the five largest holders account for 55.3% of reported value and the top ten for 74.7%.

Compared with the prior quarter, 4 opened new positions, 19 added to existing stakes, 14 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

NPKI is classified in the Industrials sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 7.94M $126.33M 0.00% Add
Vanguard Group history Q4 2025 4.71M $56.10M 0.00% Reduce
Geode Capital Management history Q2 2026 2.37M $37.71M 0.00% Add
Royce & Associates history Q2 2026 2.15M $34.19M 0.28% Add
MFS Investment Management history Q2 2026 1.45M $23.12M 0.01% New
Morgan Stanley history Q2 2026 1.26M $20.04M 0.00% Reduce
Arrowstreet Capital history Q2 2026 1.13M $18.05M 0.01% Reduce
Prudential Financial history Q2 2026 1.12M $17.76M 0.02% Reduce
Millennium Management history Q2 2026 1.05M $16.70M 0.01% Add
Charles Schwab Investment Management history Q2 2026 1.03M $16.36M 0.00% Reduce
Invesco Ltd history Q2 2026 1.00M $15.92M 0.00% Add
Northern Trust Corp history Q2 2026 795.34K $12.65M 0.00% Reduce
Wellington Management Group history Q2 2026 790.34K $12.57M 0.00% Add
First Eagle Investment Management history Q2 2026 721.00K $11.47M 0.02% Add
Goldman Sachs Group history Q2 2026 601.06K $9.56M 0.00% Reduce
Two Sigma Investments history Q2 2026 559.50K $8.90M 0.01% Reduce
Citadel Advisors history Q2 2026 375.80K $5.98M 0.00% Add
Marshall Wace history Q2 2026 335.73K $5.34M 0.00% Add
D. E. Shaw & Co history Q2 2026 327.61K $5.21M 0.00% Add
Norges Bank Investment Management history Q2 2026 323.10K $5.14M 0.00% New

View all 41 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 6.99M 6.88M 6.92M 6.60M 6.47M 6.92M 7.20M 7.94M
Geode Capital Management 1.67M 1.59M 1.63M 1.53M 1.50M 1.55M 1.61M 1.50M 1.54M 1.61M 1.64M 1.79M 1.94M 1.93M 2.39M 2.34M 2.32M 1.98M 2.24M 2.37M
Royce & Associates 1.34M 1.36M 1.28M 1.26M 1.26M 1.26M 1.24M 1.47M 2.00M 1.71M 1.97M 2.13M 2.19M 2.70M 2.75M 2.57M 2.44M 2.19M 2.07M 2.15M
MFS Investment Management — — — — — — — — — — — — — — — — — — — 1.45M
Morgan Stanley 3.78M 1.71M 1.68M 1.61M 1.53M 1.64M 1.56M 1.73M 1.82M 2.53M 1.85M 2.50M 2.44M 2.25M 2.08M 1.96M 1.64M 1.69M 1.82M 1.26M
Arrowstreet Capital — 107.32K 123.20K 476.48K — 169.72K 305.19K 687.80K 1.10M 600.59K 632.54K 1.03M 533.73K — — 322.74K 883.57K 1.05M 1.54M 1.13M
Prudential Financial 709.12K 407.67K 427.27K 328.07K 369.27K 240.77K 256.62K 303.62K 496.22K 196.22K 209.47K 194.09K 125.99K 68.79K 68.93K 414.23K 1.83M 1.92M 1.69M 1.12M
Millennium Management 49.91K 38.39K 12.27K 78.94K 137.58K 872.75K 1.27M 665.37K 436.21K 542.63K 589.09K 20.89K 55.47K 14.83K 174.33K 91.40K 167.04K 106.49K 158.89K 1.05M
Charles Schwab Investment Management 227.93K 237.10K 241.09K 226.16K 231.16K 235.96K 228.81K 206.45K 205.46K 209.24K 346.52K 339.37K 764.87K 746.50K 859.15K 953.04K 1.07M 1.16M 1.10M 1.03M
Invesco Ltd 320.12K 290.35K 239.59K 324.71K 275.12K 360.26K 284.85K 282.56K 755.24K 794.33K 795.15K 739.35K 235.71K 239.75K 185.20K 175.22K 180.20K 180.34K 268.45K 1.00M
Northern Trust Corp 1.30M 1.28M 1.23M 1.18M 1.17M 1.16M 1.13M 1.13M 1.12M 1.17M 1.05M 1.04M 1.10M 1.16M 1.08M 989.99K 987.99K 943.75K 968.50K 795.34K
Wellington Management Group — — — 343.00K — — 278.60K 726.50K 875.20K 708.50K 1.01M 1.05M 552.33K 320.93K 593.23K 661.70K 661.70K 506.60K 264.62K 790.34K
First Eagle Investment Management 93.50K 201.82K 398.04K 503.78K 553.28K 304.88K 212.88K 181.88K 127.83K — — — — 321.59K 627.11K 417.12K 272.12K 265.32K 273.82K 721.00K
Goldman Sachs Group 334.27K 353.59K 431.59K 405.20K 410.96K 171.92K 161.93K 196.40K 159.84K 259.53K 518.39K 440.68K 628.43K 577.61K 269.88K 455.39K 498.68K 702.99K 1.01M 601.06K
Two Sigma Investments 623.33K 408.04K 434.53K 257.00K 57.72K 445.96K 761.66K 796.63K 1.06M 1.16M 914.06K 471.89K 250.35K 115.72K 95.84K 110.15K 433.70K 505.16K 1.06M 559.50K
Citadel Advisors 174.67K 127.35K 64.31K 73.18K 17.69K 598.08K 88.25K 164.90K 407.38K 495.75K 196.45K 54.73K 182.22K 367.60K 469.21K 691.85K 536.68K 253.94K 59.69K 375.80K
Marshall Wace — — — 109.29K — — — 236.77K 565.80K — 60.30K 74.76K 12.04K — — — — — 54.12K 335.73K
D. E. Shaw & Co 1.64M 1.61M 1.58M 1.26M 987.90K 1.01M 890.63K 640.61K 631.56K 439.30K 260.66K 160.74K 86.14K 54.93K 82.76K 93.22K 277.98K 202.13K 97.04K 327.61K
Norges Bank Investment Management — — — — — — — — — — — — — — — — — — — 323.10K
AQR Capital Management 369.94K 340.33K 206.12K 383.77K 725.06K 579.84K 547.51K 504.47K 571.88K 487.49K 578.89K 649.97K 656.95K 268.44K 181.28K 86.40K 128.49K 174.50K 241.31K 306.06K

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