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Portolan Capital Management’s Oshkosh OSK Stock Holding History

Portolan Capital Management’s Portfolio OSK Stock Details OSK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$24.2M Buy
157,641
+139,456
+767% +$19.6M 0.91% 34
2026
Q1 		$2.68M Sell
18,185
-7,755
-30% -$1.21M 0.14% 119
2025
Q4 		$3.26M Buy
+25,940
New +$3.34M 0.17% 122

Other funds holding OSK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.7B AUM 13.92% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 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
GA
Greenhaven Associates Purchase, New York $8.66B AUM 17.37% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Portolan Capital Management's OSK Position: Q2 2026 in Review

Portolan Capital Management increased its Oshkosh (OSK) stake by 767% in Q2 2026, buying an estimated $19.6M and bringing the position to 157,641 shares worth $24.2M. The position accounts for 0.91% of the portfolio, ranked #34.

Portolan Capital Management first reported a position in OSK in Q4 2025 and has held it in 3 quarters since. 597 funds tracked by Wall St. Rank hold OSK as of Q2 2026.

  • Portolan Capital Management held 157,641 shares of Oshkosh worth $24.2M as of Q2 2026.
  • Portolan Capital Management bought 139,456 Oshkosh shares in Q2 2026, an estimated $19.6M.
  • Oshkosh made up 0.91% of Portolan Capital Management's portfolio in Q2 2026, its #34 holding.
  • Portolan Capital Management first reported a position in Oshkosh in Q4 2025 and has held it in 3 quarters since.
  • 597 funds tracked by Wall St. Rank held Oshkosh as of Q2 2026.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.