AC
OS

Aaron Cowen’s OneStream Inc OS Stock Holding History

Aaron Cowen’s Portfolio OS Stock Details OS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-33,080
Closed -$936K – 108
2025
Q2 		$936K Buy
+33,080
New +$824K 0.03% 83

Other funds holding OS

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
DPCM
Darlington Partners Capital Management Greenbrae, California $2.27B AUM 18.22% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
CIP
Champlain Investment Partners Burlington, Vermont $3.89B AUM 16.15% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
TCM
TimesSquare Capital Management New York $6.8B AUM 45.85% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Aaron Cowen's OS Position: Q3 2025 in Review

Aaron Cowen sold out of OneStream Inc (OS) in Q3 2025, closing a stake of 33,080 shares — an estimated $936K sold.

Aaron Cowen first reported a position in OS in Q2 2025 and held it in 1 quarter. The position peaked at $936K in Q2 2025. 185 funds tracked by Wall St. Rank hold OS as of Q3 2025.

  • Aaron Cowen reported no remaining OneStream Inc position as of Q3 2025 after selling out during the quarter.
  • Aaron Cowen sold 33,080 OneStream Inc shares in Q3 2025, an estimated $936K.
  • Aaron Cowen first reported a position in OneStream Inc in Q2 2025 and held it in 1 quarter.
  • Aaron Cowen's OneStream Inc position peaked at $936K in Q2 2025.
  • 185 funds tracked by Wall St. Rank held OneStream Inc as of Q3 2025.

Based on Suvretta Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.