Millennium Management’s OneStream Inc OS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-2,471,107
Closed -$59.3M 6507
2026
Q1
$59.3M Buy
2,471,107
+2,135,526
+636% +$50.1M 0.02% 724
2025
Q4
$6.17M Sell
335,581
-368,195
-52% -$7.02M ﹤0.01% 2777
2025
Q3
$13M Sell
703,776
-83,818
-11% -$1.84M 0.01% 2118
2025
Q2
$22.3M Buy
787,594
+442,658
+128% +$11M 0.01% 1472
2025
Q1
$7.36M Sell
344,936
-419,576
-55% -$10.8M ﹤0.01% 2485
2024
Q4
$21.8M Buy
764,512
+698,339
+1,055% +$21.4M 0.01% 1456
2024
Q3
$2.24M Buy
+66,173
New +$1.95M ﹤0.01% 3601

Millennium Management's OS Position: Q2 2026 in Review

Millennium Management sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 2,471,107 shares — an estimated $59.3M sold.

Millennium Management first reported a position in OS in Q3 2024 and held it in 7 quarters. The position peaked at $59.3M in Q1 2026. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

  • Millennium Management reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
  • Millennium Management sold 2,471,107 OneStream Inc shares in Q2 2026, an estimated $59.3M.
  • Millennium Management first reported a position in OneStream Inc in Q3 2024 and held it in 7 quarters.
  • Millennium Management's OneStream Inc position peaked at $59.3M in Q1 2026.
  • 0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

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