GI
RBRK icon

GAMMA Investing’s Rubrik RBRK Stock Holding History

GAMMA Investing’s Portfolio RBRK Stock Details RBRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$321K Buy
2,806
+954
+52% +$87.7K 0.01% 984
2026
Q2 		$149K Buy
1,852
+591
+47% +$37.2K 0.01% 1511
2026
Q1 		$61.8K Buy
1,261
+552
+78% +$31.7K ﹤0.01% 2043
2025
Q4 		$54.2K Buy
709
+498
+236% +$38.2K ﹤0.01% 2026
2025
Q3 		$17.4K Buy
211
+204
+2,914% +$17.5K ﹤0.01% 2590
2025
Q2 		$627 Buy
+7
New +$553 ﹤0.01% 3609

Other funds holding RBRK

CAM
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.35% 1-Year Est. Return
ZCI
Zevenbergen Capital Investments Edmonds, Washington $4.37B AUM 52.9% 1-Year Est. Return
GI
Gradient Investments Arden Hills, Minnesota $7B AUM 14.85% 1-Year Est. Return
WPC
Wedmont Private Capital West Chester, Pennsylvania $4.18B AUM 18.65% 1-Year Est. Return
SCI
Stableford Capital II Scottsdale, Arizona $288M AUM 21.3% 1-Year Est. Return
CPBTD
Central Pacific Bank - Trust Division Honolulu, Hawaii $952M AUM 25.15% 1-Year Est. Return
GAA
Green Alpha Advisors Niwot, Colorado $148M AUM 98.22% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return
RA
Riversedge Advisors Wilmington, Delaware $813M AUM 18.09% 1-Year Est. Return
WF
WoodTrust Financial Wisconsin Rapids, Wisconsin $825M AUM 20.13% 1-Year Est. Return

GAMMA Investing's RBRK Position: Q3 2026 in Review

GAMMA Investing increased its Rubrik (RBRK) stake by 52% in Q3 2026, buying an estimated $87.7K and bringing the position to 2,806 shares worth $321K. The position accounts for 0.01% of the portfolio, ranked #984.

GAMMA Investing first reported a position in RBRK in Q2 2025 and has held it in 6 quarters since. 27 funds tracked by Wall St. Rank hold RBRK as of Q3 2026.

  • GAMMA Investing held 2,806 shares of Rubrik worth $321K as of Q3 2026.
  • GAMMA Investing bought 954 Rubrik shares in Q3 2026, an estimated $87.7K.
  • Rubrik made up 0.01% of GAMMA Investing's portfolio in Q3 2026, its #984 holding.
  • GAMMA Investing first reported a position in Rubrik in Q2 2025 and has held it in 6 quarters since.
  • 27 funds tracked by Wall St. Rank held Rubrik as of Q3 2026.

Based on GAMMA Investing's 13F filing for Q3 2026, filed 8 Oct 2026.