Group One Trading’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
$6.12M Buy
125,000
+57,600
+85% +$3.31M 0.01% 1142
2025
Q4
$5.15M Buy
67,400
+17,000
+34% +$1.3M 0.01% 1456
2025
Q3
$4.15M Sell
50,400
-42,400
-46% -$3.64M 0.01% 1644
2025
Q2
$8.31M Buy
92,800
+31,400
+51% +$2.48M 0.02% 944
2025
Q1
$3.74M Sell
61,400
-3,900
-6% -$266K 0.01% 1295
2024
Q4
$4.27M Buy
65,300
+51,100
+360% +$2.52M 0.01% 1285
2024
Q3
$457K Buy
14,200
+10,500
+284% +$348K ﹤0.01% 2922
2024
Q2
$113K Buy
+3,700
New +$122K ﹤0.01% 3864

Other funds holding RBRK

Group One Trading's RBRK Position: Q1 2026 in Review

Group One Trading reduced its Rubrik (RBRK) stake by 44% in Q1 2026, selling an estimated $802K and leaving 18,131 shares worth $888K. The position accounts for ﹤0.01% of the portfolio, ranked #2836.

Group One Trading first reported a position in RBRK in Q2 2024 and has held it in 5 quarters since. The position peaked at $5.82M in Q3 2025. 462 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • Group One Trading held 18,131 shares of Rubrik worth $888K as of Q1 2026.
  • Group One Trading sold 13,980 Rubrik shares in Q1 2026, an estimated $802K.
  • Rubrik made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2836 holding.
  • Group One Trading first reported a position in Rubrik in Q2 2024 and has held it in 5 quarters since.
  • Group One Trading's Rubrik position peaked at $5.82M in Q3 2025.
  • 462 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.