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 		$152M Sell
2,690,100
-1,761,900
-40% -$118M 0.02% 584
2025
Q4 		$361M Buy
4,452,000
+1,014,800
+30% +$108M 0.05% 274
2025
Q3 		$476M Buy
3,437,200
+55,300
+2% +$6.87M 0.07% 198
2025
Q2 		$356M Buy
3,381,900
+660,900
+24% +$51.9M 0.06% 229
2025
Q1 		$159M Buy
2,721,000
+486,800
+22% +$30.6M 0.03% 459
2024
Q4 		$129M Sell
2,234,200
-1,576,000
-41% -$79.3M 0.02% 598
2024
Q3 		$169M Buy
3,810,200
+865,300
+29% +$36.1M 0.03% 429
2024
Q2 		$110M Sell
2,944,900
-1,060,600
-26% -$37.8M 0.02% 636
2024
Q1 		$153M Sell
4,005,500
-1,530,300
-28% -$62.1M 0.03% 485
2023
Q4 		$253M Buy
5,535,800
+669,900
+14% +$24.8M 0.05% 263
2023
Q3 		$141M Buy
4,865,900
+380,700
+8% +$12.6M 0.03% 462
2023
Q2 		$181M Sell
4,485,200
-1,804,200
-29% -$72.4M 0.04% 356
2023
Q1 		$283M Buy
6,289,400
+2,709,800
+76% +$104M 0.06% 207
2022
Q4 		$102M Sell
3,579,600
-1,180,200
-25% -$41.5M 0.02% 641
2022
Q3 		$171M Sell
4,759,800
-96,200
-2% -$3.98M 0.04% 373
2022
Q2 		$160M Buy
4,856,000
+2,028,200
+72% +$68.1M 0.04% 368
2022
Q1 		$131M Buy
2,827,800
+652,100
+30% +$39.3M 0.03% 531
2021
Q4 		$224M Buy
2,175,700
+940,200
+76% +$91.3M 0.05% 304
2021
Q3 		$93.3M Sell
1,235,500
-201,500
-14% -$16.5M 0.02% 693
2021
Q2 		$129M Buy
1,437,000
+1,269,600
+758% +$102M 0.03% 539
2021
Q1 		$10.9M Buy
+167,400
New +$11.7M ﹤0.01% 2853

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 $427B AUM 29.17% 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 $733B AUM 35.63% 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.