GAMCO Investors’s OneStream Inc OS Stock Holding History

GAMCO Investors’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 Q2	–	Sell	-15,000	Closed	-$360K	–	1037
2026 Q1	$360K	Buy	+15,000	New	+$352K	﹤0.01%	853

GAMCO Investors's OS Position: Q2 2026 in Review

GAMCO Investors sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 15,000 shares — an estimated $360K sold.

GAMCO Investors first reported a position in OS in Q1 2026 and held it in 1 quarter. The position peaked at $360K in Q1 2026. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

GAMCO Investors reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
GAMCO Investors sold 15,000 OneStream Inc shares in Q2 2026, an estimated $360K.
GAMCO Investors first reported a position in OneStream Inc in Q1 2026 and held it in 1 quarter.
GAMCO Investors's OneStream Inc position peaked at $360K in Q1 2026.
0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.