PWG
OS

Portside Wealth Group’s OneStream Inc OS Stock Holding History

Portside Wealth Group’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
-15,160
Closed -$279K – 527
2025
Q4 		$279K Sell
15,160
-10,716
-41% -$204K 0.04% 383
2025
Q3 		$477K Sell
25,876
-5,367
-17% -$118K 0.07% 263
2025
Q2 		$884K Buy
31,243
+11,052
+55% +$275K 0.13% 165
2025
Q1 		$431K Buy
20,191
+5,372
+36% +$138K 0.07% 247
2024
Q4 		$423K Sell
14,819
-2,660
-15% -$81.6K 0.07% 255
2024
Q3 		$593K Buy
+17,479
New +$515K 0.1% 205

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

Portside Wealth Group's OS Position: Q1 2026 in Review

Portside Wealth Group sold out of OneStream Inc (OS) in Q1 2026, closing a stake of 15,160 shares — an estimated $279K sold.

Portside Wealth Group first reported a position in OS in Q3 2024 and held it in 6 quarters. The position peaked at $884K in Q2 2025. 180 funds tracked by Wall St. Rank hold OS as of Q1 2026.

  • Portside Wealth Group reported no remaining OneStream Inc position as of Q1 2026 after selling out during the quarter.
  • Portside Wealth Group sold 15,160 OneStream Inc shares in Q1 2026, an estimated $279K.
  • Portside Wealth Group first reported a position in OneStream Inc in Q3 2024 and held it in 6 quarters.
  • Portside Wealth Group's OneStream Inc position peaked at $884K in Q2 2025.
  • 180 funds tracked by Wall St. Rank held OneStream Inc as of Q1 2026.

Based on Portside Wealth Group's 13F filing for Q1 2026, filed 12 May 2026.