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
$857K Sell
17,500
-27,600
-61% -$1.58M ﹤0.01% 2858
2025
Q4
$3.45M Sell
45,100
-34,600
-43% -$2.65M 0.01% 1813
2025
Q3
$6.56M Buy
79,700
+49,900
+167% +$4.29M 0.01% 1253
2025
Q2
$2.67M Sell
29,800
-30,100
-50% -$2.38M 0.01% 1858
2025
Q1
$3.65M Buy
59,900
+41,600
+227% +$2.84M 0.01% 1319
2024
Q4
$1.2M Buy
18,300
+16,600
+976% +$820K ﹤0.01% 2397
2024
Q3
$54.7K Buy
1,700
+1,500
+750% +$49.7K ﹤0.01% 4605
2024
Q2
$6.13K Buy
+200
New +$6.58K ﹤0.01% 5868

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.