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
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 $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

Jim Simons's RBLX Position: Q1 2026 in Review

Jim Simons increased its Roblox (RBLX) stake by 7.5% in Q1 2026, buying an estimated $33.4M and bringing the position to 7,126,134 shares worth $403M. The position accounts for 0.63% of the portfolio, ranked #12.

Jim Simons first reported a position in RBLX in Q2 2021 and has held it in 20 quarters since. The position peaked at $954M in Q3 2025. 833 funds tracked by Wall St. Rank hold RBLX as of Q1 2026.

  • Jim Simons held 7,126,134 shares of Roblox worth $403M as of Q1 2026.
  • Jim Simons bought 497,625 Roblox shares in Q1 2026, an estimated $33.4M.
  • Roblox made up 0.63% of Jim Simons's portfolio in Q1 2026, its #12 holding.
  • Jim Simons first reported a position in Roblox in Q2 2021 and has held it in 20 quarters since.
  • Jim Simons's Roblox position peaked at $954M in Q3 2025.
  • 833 funds tracked by Wall St. Rank held Roblox as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.