Westfield Capital Management
OS

Westfield Capital Management’s OneStream Inc OS Stock Holding History

Westfield Capital 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
2025
Q1 		– Sell
-1,057,824
Closed -$30.2M – 283
2024
Q4 		$30.2M Buy
1,057,824
+451,168
+74% +$13.8M 0.13% 168
2024
Q3 		$20.6M Buy
+606,656
New +$17.9M 0.09% 180

Other funds holding OS

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
CIP
Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return
DPCM
Darlington Partners Capital Management Greenbrae, California $2.23B AUM 16.2% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
TCM
TimesSquare Capital Management New York $6.8B AUM 45.85% 1-Year Est. Return
Alkeon Capital Management
Alkeon Capital Management New York $59.5B AUM 51.63% 1-Year Est. Return

Westfield Capital Management's OS Position: Q1 2025 in Review

Westfield Capital Management sold out of OneStream Inc (OS) in Q1 2025, closing a stake of 1,057,824 shares — an estimated $30.2M sold.

Westfield Capital Management first reported a position in OS in Q3 2024 and held it in 2 quarters. The position peaked at $30.2M in Q4 2024. 141 funds tracked by Wall St. Rank hold OS as of Q1 2025.

  • Westfield Capital Management reported no remaining OneStream Inc position as of Q1 2025 after selling out during the quarter.
  • Westfield Capital Management sold 1,057,824 OneStream Inc shares in Q1 2025, an estimated $30.2M.
  • Westfield Capital Management first reported a position in OneStream Inc in Q3 2024 and held it in 2 quarters.
  • Westfield Capital Management's OneStream Inc position peaked at $30.2M in Q4 2024.
  • 141 funds tracked by Wall St. Rank held OneStream Inc as of Q1 2025.

Based on Westfield Capital Management's 13F filing for Q1 2025, filed 9 May 2025.