California State Teachers Retirement System (CalSTRS)
OS

California State Teachers Retirement System (CalSTRS)’s OneStream Inc OS Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$2.2M Buy
91,857
+21,286
+30% +$499K ﹤0.01% 1463
2025
Q4 		$1.3M Buy
70,571
+11,352
+19% +$216K ﹤0.01% 1664
2025
Q3 		$1.09M Sell
59,219
-5,856
-9% -$129K ﹤0.01% 1743
2025
Q2 		$1.84M Buy
65,075
+31,534
+94% +$785K ﹤0.01% 1415
2025
Q1 		$716K Hold
33,541
– – ﹤0.01% 1884
2024
Q4 		$957K Buy
+33,541
New +$1.03M ﹤0.01% 1801

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

California State Teachers Retirement System (CalSTRS)'s OS Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its OneStream Inc (OS) stake by 30% in Q1 2026, buying an estimated $499K and bringing the position to 91,857 shares worth $2.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1463.

California State Teachers Retirement System (CalSTRS) first reported a position in OS in Q4 2024 and has held it in 6 quarters since. 180 funds tracked by Wall St. Rank hold OS as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 91,857 shares of OneStream Inc worth $2.2M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 21,286 OneStream Inc shares in Q1 2026, an estimated $499K.
  • OneStream Inc made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1463 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in OneStream Inc in Q4 2024 and has held it in 6 quarters since.
  • 180 funds tracked by Wall St. Rank held OneStream Inc as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.