Ken Griffin
RBLX icon

Ken Griffin’s Roblox RBLX Stock Holding History

Ken Griffin’s Portfolio RBLX Stock Details RBLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$85.1M Sell
1,504,000
-485,800
-24% -$32.6M 0.01% 924
2025
Q4 		$161M Sell
1,989,800
-882,900
-31% -$93.7M 0.02% 590
2025
Q3 		$398M Buy
2,872,700
+1,554,700
+118% +$193M 0.06% 249
2025
Q2 		$139M Buy
1,318,000
+379,800
+40% +$29.8M 0.02% 558
2025
Q1 		$54.7M Sell
938,200
-506,300
-35% -$31.8M 0.01% 1075
2024
Q4 		$83.6M Sell
1,444,500
-1,472,200
-50% -$74.1M 0.01% 849
2024
Q3 		$129M Buy
2,916,700
+1,802,700
+162% +$75.2M 0.02% 557
2024
Q2 		$41.5M Sell
1,114,000
-1,085,900
-49% -$38.7M 0.01% 1300
2024
Q1 		$84M Sell
2,199,900
-67,700
-3% -$2.75M 0.02% 830
2023
Q4 		$104M Sell
2,267,600
-861,200
-28% -$31.8M 0.02% 662
2023
Q3 		$90.6M Sell
3,128,800
-260,900
-8% -$8.67M 0.02% 684
2023
Q2 		$137M Sell
3,389,700
-777,600
-19% -$31.2M 0.03% 460
2023
Q1 		$187M Sell
4,167,300
-1,174,600
-22% -$44.9M 0.04% 345
2022
Q4 		$152M Buy
5,341,900
+385,400
+8% +$13.5M 0.04% 448
2022
Q3 		$178M Buy
4,956,500
+2,373,100
+92% +$98.2M 0.04% 352
2022
Q2 		$84.9M Sell
2,583,400
-632,600
-20% -$21.2M 0.02% 664
2022
Q1 		$149M Buy
3,216,000
+895,100
+39% +$54M 0.03% 468
2021
Q4 		$239M Buy
2,320,900
+193,500
+9% +$18.8M 0.05% 284
2021
Q3 		$161M Sell
2,127,400
-135,200
-6% -$11.1M 0.03% 429
2021
Q2 		$204M Buy
2,262,600
+1,906,500
+535% +$153M 0.05% 311
2021
Q1 		$23.1M Buy
+356,100
New +$24.8M 0.01% 1784

Other funds holding RBLX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
IC
IEQ Capital Foster City, California $21.7B AUM 77.3% 1-Year Est. Return

Ken Griffin's RBLX Position: Q1 2026 in Review

Ken Griffin reduced its Roblox (RBLX) stake by 71% in Q1 2026, selling an estimated $84.4M and leaving 503,739 shares worth $28.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1917.

Ken Griffin first reported a position in RBLX in Q1 2021 and has held it in 21 quarters since. The position peaked at $394M in Q4 2023. 833 funds tracked by Wall St. Rank hold RBLX as of Q1 2026.

  • Ken Griffin held 503,739 shares of Roblox worth $28.5M as of Q1 2026.
  • Ken Griffin sold 1,256,612 Roblox shares in Q1 2026, an estimated $84.4M.
  • Roblox made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #1917 holding.
  • Ken Griffin first reported a position in Roblox in Q1 2021 and has held it in 21 quarters since.
  • Ken Griffin's Roblox position peaked at $394M in Q4 2023.
  • 833 funds tracked by Wall St. Rank held Roblox as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.