CP
OS

CenterBook Partners’s OneStream Inc OS Stock Holding History

CenterBook 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
-49,621
Closed -$912K – 803
2025
Q4 		$912K Buy
49,621
+23,513
+90% +$448K 0.04% 385
2025
Q3 		$481K Sell
26,108
-12,203
-32% -$268K 0.02% 489
2025
Q2 		$1.08M Buy
38,311
+9,370
+32% +$233K 0.06% 326
2025
Q1 		$618K Sell
28,941
-3,191
-10% -$81.8K 0.04% 377
2024
Q4 		$916K Sell
32,132
-17,375
-35% -$533K 0.05% 346
2024
Q3 		$1.68M Buy
+49,507
New +$1.46M 0.1% 217

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

CenterBook Partners's OS Position: Q1 2026 in Review

CenterBook Partners sold out of OneStream Inc (OS) in Q1 2026, closing a stake of 49,621 shares — an estimated $912K sold.

CenterBook Partners first reported a position in OS in Q3 2024 and held it in 6 quarters. The position peaked at $1.68M in Q3 2024. 180 funds tracked by Wall St. Rank hold OS as of Q1 2026.

  • CenterBook Partners reported no remaining OneStream Inc position as of Q1 2026 after selling out during the quarter.
  • CenterBook Partners sold 49,621 OneStream Inc shares in Q1 2026, an estimated $912K.
  • CenterBook Partners first reported a position in OneStream Inc in Q3 2024 and held it in 6 quarters.
  • CenterBook Partners's OneStream Inc position peaked at $1.68M in Q3 2024.
  • 180 funds tracked by Wall St. Rank held OneStream Inc as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.