Primecap Management’s OneStream Inc OS Stock Holding History

Primecap 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
2026 Q2	–	Sell	-19,500	Closed	-$468K	–	330
2026 Q1	$468K	Sell	19,500 -100	-0.5%	-$2.35K	﹤0.01%	311
2025 Q4	$360K	Sell	19,600 -83,300	-81%	-$1.59M	﹤0.01%	314
2025 Q3	$1.9M	Sell	102,900 -3,000	-3%	-$65.9K	﹤0.01%	301
2025 Q2	$3M	Sell	105,900 -39,200	-27%	-$976K	﹤0.01%	299
2025 Q1	$3.1M	Buy	145,100 +400	+0.3%	+$10.3K	﹤0.01%	294
2024 Q4	$4.13M	Sell	144,700 -121,300	-46%	-$3.72M	﹤0.01%	283
2024 Q3	$9.02M	Buy	+266,000	New	+$7.84M	0.01%	264

Primecap Management's OS Position: Q2 2026 in Review

Primecap Management sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 19,500 shares — an estimated $468K sold.

Primecap Management first reported a position in OS in Q3 2024 and held it in 7 quarters. The position peaked at $9.02M in Q3 2024. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

Primecap Management reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
Primecap Management sold 19,500 OneStream Inc shares in Q2 2026, an estimated $468K.
Primecap Management first reported a position in OneStream Inc in Q3 2024 and held it in 7 quarters.
Primecap Management's OneStream Inc position peaked at $9.02M in Q3 2024.
0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.