Walleye Trading’s OneStream Inc OS Stock Holding History

Walleye Trading’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	$264K	Sell	11,000 -28,200	-72%	-$661K	﹤0.01%	2953
2025 Q4	$720K	Buy	39,200 +33,100	+543%	+$631K	﹤0.01%	2578
2025 Q3	$112K	Buy	+6,100	New	+$134K	﹤0.01%	3662

Other funds holding OS

GCL

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

NAM

Nexpoint Asset Management Dallas, Texas $1.49B AUM 61.08% 1-Year Est. Return

OCAI

O'Connor Alternative Investments New York $1.17B AUM

PAMP

Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Walleye Trading's OS Position: Q4 2025 in Review

Walleye Trading sold out of OneStream Inc (OS) in Q4 2025, closing a stake of 24,470 shares — an estimated $467K sold.

Walleye Trading first reported a position in OS in Q3 2025 and held it in 1 quarter. The position peaked at $451K in Q3 2025. 182 funds tracked by Wall St. Rank hold OS as of Q4 2025.

Walleye Trading reported no remaining OneStream Inc position as of Q4 2025 after selling out during the quarter.
Walleye Trading sold 24,470 OneStream Inc shares in Q4 2025, an estimated $467K.
Walleye Trading first reported a position in OneStream Inc in Q3 2025 and held it in 1 quarter.
Walleye Trading's OneStream Inc position peaked at $451K in Q3 2025.
182 funds tracked by Wall St. Rank held OneStream Inc as of Q4 2025.

Based on Walleye Trading's 13F filing for Q4 2025, filed 13 Feb 2026.