WAM
OS

Weiss Asset Management’s OneStream Inc OS Stock Holding History

Weiss Asset Management’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
-36,451
Closed -$1.03M – 814
2025
Q2 		$1.03M Buy
+36,451
New +$908K 0.01% 328

Other funds holding OS

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 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 $34B AUM 6.31% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return
DPCM
Darlington Partners Capital Management Greenbrae, California $2.23B AUM 16.2% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
CIP
Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
TCM
TimesSquare Capital Management New York $5.89B AUM 28.74% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Weiss Asset Management's OS Position: Q3 2025 in Review

Weiss Asset Management sold out of OneStream Inc (OS) in Q3 2025, closing a stake of 36,451 shares — an estimated $1.03M sold.

Weiss Asset Management first reported a position in OS in Q2 2025 and held it in 1 quarter. The position peaked at $1.03M in Q2 2025. 184 funds tracked by Wall St. Rank hold OS as of Q3 2025.

  • Weiss Asset Management reported no remaining OneStream Inc position as of Q3 2025 after selling out during the quarter.
  • Weiss Asset Management sold 36,451 OneStream Inc shares in Q3 2025, an estimated $1.03M.
  • Weiss Asset Management first reported a position in OneStream Inc in Q2 2025 and held it in 1 quarter.
  • Weiss Asset Management's OneStream Inc position peaked at $1.03M in Q2 2025.
  • 184 funds tracked by Wall St. Rank held OneStream Inc as of Q3 2025.

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