P
OS

&Partners’s OneStream Inc OS Stock Holding History

&Partners’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
2026
Q1 		– Sell
-12,302
Closed -$226K – 2479
2025
Q4 		$226K Sell
12,302
-12,870
-51% -$245K ﹤0.01% 2078
2025
Q3 		$464K Sell
25,172
-605
-2% -$13.3K ﹤0.01% 1497
2025
Q2 		$729K Buy
25,777
+7,339
+40% +$183K 0.01% 1146
2025
Q1 		$405K Buy
18,438
+8,647
+88% +$222K ﹤0.01% 1241
2024
Q4 		$280K Buy
+9,791
New +$300K ﹤0.01% 1373

Other funds holding OS

GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
NAM
Nexpoint Asset Management Dallas, Texas $1.5B AUM 83.46% 1-Year Est. Return
OCAI
O'Connor Alternative Investments New York $1.37B AUM
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

&Partners's OS Position: Q1 2026 in Review

&Partners sold out of OneStream Inc (OS) in Q1 2026, closing a stake of 12,302 shares — an estimated $226K sold.

&Partners first reported a position in OS in Q4 2024 and held it in 5 quarters. The position peaked at $729K in Q2 2025. 180 funds tracked by Wall St. Rank hold OS as of Q1 2026.

  • &Partners reported no remaining OneStream Inc position as of Q1 2026 after selling out during the quarter.
  • &Partners sold 12,302 OneStream Inc shares in Q1 2026, an estimated $226K.
  • &Partners first reported a position in OneStream Inc in Q4 2024 and held it in 5 quarters.
  • &Partners's OneStream Inc position peaked at $729K in Q2 2025.
  • 180 funds tracked by Wall St. Rank held OneStream Inc as of Q1 2026.

Based on &Partners's 13F filing for Q1 2026, filed 15 May 2026.