Jim Simons
RBLX icon

Jim Simons’s Roblox RBLX Stock Holding History

Jim Simons’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
Q2 		$371M Sell
6,814,063
-312,071
-4% -$15.5M 0.51% 29
2026
Q1 		$403M Buy
7,126,134
+497,625
+8% +$33.4M 0.63% 12
2025
Q4 		$537M Sell
6,628,509
-255,036
-4% -$27.1M 0.83% 12
2025
Q3 		$954M Buy
6,883,545
+781,886
+13% +$97.2M 1.26% 3
2025
Q2 		$642M Buy
6,101,659
+10,200
+0.2% +$801K 0.85% 9
2025
Q1 		$355M Sell
6,091,459
-1,479,500
-20% -$93M 0.54% 18
2024
Q4 		$438M Buy
7,570,959
+1,478,421
+24% +$74.4M 0.65% 15
2024
Q3 		$270M Buy
6,092,538
+1,790,800
+42% +$74.7M 0.41% 34
2024
Q2 		$160M Sell
4,301,738
-398,500
-8% -$14.2M 0.27% 67
2024
Q1 		$179M Sell
4,700,238
-407,500
-8% -$16.5M 0.28% 53
2023
Q4 		$234M Sell
5,107,738
-248,811
-5% -$9.19M 0.36% 43
2023
Q3 		$155M Sell
5,356,549
-1,773,633
-25% -$58.9M 0.26% 69
2023
Q2 		$287M Sell
7,130,182
-1,650,900
-19% -$66.3M 0.41% 36
2023
Q1 		$395M Sell
8,781,082
-1,369,900
-13% -$52.4M 0.52% 21
2022
Q4 		$289M Sell
10,150,982
-470,700
-4% -$16.5M 0.4% 30
2022
Q3 		$381M Sell
10,621,682
-958,900
-8% -$39.7M 0.54% 20
2022
Q2 		$381M Buy
11,580,582
+7,143,300
+161% +$240M 0.45% 35
2022
Q1 		$205M Sell
4,437,282
-962,209
-18% -$58.1M 0.24% 72
2021
Q4 		$557M Buy
5,399,491
+5,395,391
+131,595% +$524M 0.69% 17
2021
Q3 		$310K Sell
4,100
-750,100
-99% -$61.6M ﹤0.01% 3069
2021
Q2 		$67.9M Buy
+754,200
New +$60.6M 0.08% 247

Other funds holding RBLX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
IEQ Capital
IEQ Capital Foster City, California $21.7B AUM 77.3% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Jim Simons's RBLX Position: Q2 2026 in Review

Jim Simons reduced its Roblox (RBLX) stake by 4.4% in Q2 2026, selling an estimated $15.5M and leaving 6,814,063 shares worth $371M. The position accounts for 0.51% of the portfolio, ranked #29.

Jim Simons first reported a position in RBLX in Q2 2021 and has held it in 21 quarters since. The position peaked at $954M in Q3 2025. 793 funds tracked by Wall St. Rank hold RBLX as of Q2 2026.

  • Jim Simons held 6,814,063 shares of Roblox worth $371M as of Q2 2026.
  • Jim Simons sold 312,071 Roblox shares in Q2 2026, an estimated $15.5M.
  • Roblox made up 0.51% of Jim Simons's portfolio in Q2 2026, its #29 holding.
  • Jim Simons first reported a position in Roblox in Q2 2021 and has held it in 21 quarters since.
  • Jim Simons's Roblox position peaked at $954M in Q3 2025.
  • 793 funds tracked by Wall St. Rank held Roblox as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.