Stock Ownership/NPK

NATIONAL PRESTO INDS INC (NPK): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in NPK · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
12
13F filers
Aggregate Value
$55.0M
Across holders
Last Price
$155.14
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity8 increased4 reduced2 exited
Full exits: Schonfeld Strategic Advisors LLC, Rockefeller Capital Management L.P.
Institutional Holders of NPK
↗
12 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund124K$15.5M28.1%0.0%Reduced$-3.1MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager88K$11.0M19.9%0.1%Reduced$-100KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund75K$9.3M17.0%0.0%Added+$4.5MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund44K$5.5M10.0%0.0%Added+$4.4MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund37K$4.6M8.3%0.0%Added+$3.8MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund24K$3.0M5.5%0.0%Added+$367KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund13K$1.7M3.1%0.0%Added—Q2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund11K$1.4M2.5%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund7K$901K1.6%0.0%Added—Q2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund7K$840K1.5%0.0%Reduced+$839KQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$15.5M· 28.1% of total· 0.0% port· 124K sh· $-3.1M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$11.0M· 19.9% of total· 0.1% port· 88K sh· $-100K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$9.3M· 17.0% of total· 0.0% port· 75K sh· +$4.5M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$5.5M· 10.0% of total· 0.0% port· 44K sh· +$4.4M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$4.6M· 8.3% of total· 0.0% port· 37K sh· +$3.8M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$3.0M· 5.5% of total· 0.0% port· 24K sh· +$367K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$1.7M· 3.1% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$1.4M· 2.5% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$901K· 1.6% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$840K· 1.5% of total· 0.0% port· 7K sh· +$839K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$803K· 1.5% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$518K· 0.9% of total· 0.0% port· 4K sh· $-242K QoQ· Q2 2026
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