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Entropy Technologies’s Rubrik RBRK Stock Holding History

Entropy Technologies’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
2025
Q4 		– Sell
-16,908
Closed -$1.39M – 1202
2025
Q3 		$1.39M Sell
16,908
-24,362
-59% -$2.09M 0.1% 266
2025
Q2 		$3.7M Buy
41,270
+10,618
+35% +$839K 0.29% 93
2025
Q1 		$1.87M Sell
30,652
-226
-0.7% -$15.4K 0.18% 167
2024
Q4 		$2.02M Buy
+30,878
New +$1.53M 0.21% 142

Other funds holding RBRK

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PC
PointState Capital New York $7.9B AUM 42.31% 1-Year Est. Return

Entropy Technologies's RBRK Position: Q4 2025 in Review

Entropy Technologies sold out of Rubrik (RBRK) in Q4 2025, closing a stake of 16,908 shares — an estimated $1.39M sold.

Entropy Technologies first reported a position in RBRK in Q4 2024 and held it in 4 quarters. The position peaked at $3.7M in Q2 2025. 473 funds tracked by Wall St. Rank hold RBRK as of Q4 2025.

  • Entropy Technologies reported no remaining Rubrik position as of Q4 2025 after selling out during the quarter.
  • Entropy Technologies sold 16,908 Rubrik shares in Q4 2025, an estimated $1.39M.
  • Entropy Technologies first reported a position in Rubrik in Q4 2024 and held it in 4 quarters.
  • Entropy Technologies's Rubrik position peaked at $3.7M in Q2 2025.
  • 473 funds tracked by Wall St. Rank held Rubrik as of Q4 2025.

Based on Entropy Technologies's 13F filing for Q4 2025, filed 13 Feb 2026.