California State Teachers Retirement System (CalSTRS)’s Rubrik RBRK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$8.44M Buy
172,341
+39,264
+30% +$2.25M 0.01% 767
2025
Q4
$10.2M Buy
133,077
+22,900
+21% +$1.76M 0.01% 645
2025
Q3
$9.06M Buy
110,177
+18,991
+21% +$1.63M 0.01% 674
2025
Q2
$8.17M Buy
91,186
+19,533
+27% +$1.54M 0.01% 682
2025
Q1
$4.37M Buy
71,653
+15,374
+27% +$1.05M 0.01% 936
2024
Q4
$3.68M Buy
56,279
+10,191
+22% +$503K ﹤0.01% 1065
2024
Q3
$1.48M Buy
+46,088
New +$1.53M ﹤0.01% 1568

Other funds holding RBRK

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

California State Teachers Retirement System (CalSTRS) increased its Rubrik (RBRK) stake by 30% in Q1 2026, buying an estimated $2.25M and bringing the position to 172,341 shares worth $8.44M. The position accounts for 0.01% of the portfolio, ranked #767.

California State Teachers Retirement System (CalSTRS) first reported a position in RBRK in Q3 2024 and has held it in 7 quarters since. The position peaked at $10.2M in Q4 2025. 463 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 172,341 shares of Rubrik worth $8.44M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) bought 39,264 Rubrik shares in Q1 2026, an estimated $2.25M.
  • Rubrik made up 0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #767 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Rubrik in Q3 2024 and has held it in 7 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Rubrik position peaked at $10.2M in Q4 2025.
  • 463 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

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