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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

OSK

Superinvestors

Institutional investors holding OSK

Consensus →
InvestorFundWeightSharesValueQuarter
Alex RoepersAtlantic Investment Management11.69%136,300$20.1M2026Q1
Greenhaven AssociatesGreenhaven Associates6.14%2,531,005$372.6M2026Q1
Valley Forge Capital ManagementValley Forge Capital Management0.98%106,540$2.9M2010Q3
FPA / Steven RomickFPA Crescent Fund – First Pacific Advisors0.88%877,000$44.3M2006Q3
David EinhornGreenlight Capital0.25%216,300$6.7M2009Q3
Richard PzenaPzena Investment Management0.21%438,856$64.6M2026Q1
Mairs & PowerMairs & Power Growth Fund0.05%33,183$4.9M2026Q1
Lee AinslieMaverick Capital0.01%8,497$1.3M2026Q1
Meridian / ArrowMarkMeridian Contrarian Fund0.00%2,400$246K2021Q3
Bill NygrenOakmark Select Fund – Harris Associates0.00%1,575$232K2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

5

Total trades

$0

Volume

5

Buys

0

Sells

Last trade: May 5, 2026

Insider Tradeslast 90 days

No insider trades in the last 90 days.

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.