Jane Street
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Jane Street’s Roblox RBLX Stock Holding History

Jane Street’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 		$145M Buy
2,561,200
+1,476,100
+136% +$99.1M 0.02% 498
2025
Q4 		$87.9M Sell
1,085,100
-630,200
-37% -$66.9M 0.01% 645
2025
Q3 		$238M Buy
1,715,300
+1,117,300
+187% +$139M 0.04% 311
2025
Q2 		$62.9M Sell
598,000
-24,700
-4% -$1.94M 0.01% 648
2025
Q1 		$36.3M Sell
622,700
-606,400
-49% -$38.1M 0.01% 861
2024
Q4 		$71.1M Buy
1,229,100
+541,900
+79% +$27.3M 0.02% 550
2024
Q3 		$30.4M Buy
687,200
+15,500
+2% +$647K 0.01% 967
2024
Q2 		$25M Sell
671,700
-4,000
-0.6% -$142K 0.01% 1132
2024
Q1 		$25.8M Sell
675,700
-1,318,000
-66% -$53.5M 0.01% 1000
2023
Q4 		$91.2M Buy
1,993,700
+53,200
+3% +$1.97M 0.02% 423
2023
Q3 		$56.2M Buy
1,940,500
+1,053,100
+119% +$35M 0.02% 508
2023
Q2 		$35.8M Buy
887,400
+191,200
+27% +$7.67M 0.01% 771
2023
Q1 		$31.3M Sell
696,200
-693,600
-50% -$26.5M 0.01% 727
2022
Q4 		$39.6M Buy
1,389,800
+181,800
+15% +$6.39M 0.02% 635
2022
Q3 		$43.3M Sell
1,208,000
-814,100
-40% -$33.7M 0.02% 580
2022
Q2 		$66.4M Sell
2,022,100
-137,300
-6% -$4.61M 0.03% 431
2022
Q1 		$99.9M Buy
2,159,400
+790,800
+58% +$47.7M 0.03% 401
2021
Q4 		$141M Buy
1,368,600
+903,900
+195% +$87.8M 0.05% 263
2021
Q3 		$35.1M Sell
464,700
-471,700
-50% -$38.7M 0.01% 761
2021
Q2 		$84.3M Buy
936,400
+704,300
+303% +$56.6M 0.03% 356
2021
Q1 		$15M Buy
+232,100
New +$16.2M 0.01% 1204

Other funds holding RBLX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $97.9B AUM 20.73% 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 $21.5B AUM 75.26% 1-Year Est. Return

Jane Street's RBLX Position: Q1 2026 in Review

Jane Street increased its Roblox (RBLX) stake by 3,301% in Q1 2026, buying an estimated $70.8M and bringing the position to 1,086,150 shares worth $61.4M. The position accounts for 0.01% of the portfolio, ranked #924.

Jane Street first reported a position in RBLX in Q1 2021 and has held it in 19 quarters since. The position peaked at $79M in Q4 2021. 832 funds tracked by Wall St. Rank hold RBLX as of Q1 2026.

  • Jane Street held 1,086,150 shares of Roblox worth $61.4M as of Q1 2026.
  • Jane Street bought 1,054,217 Roblox shares in Q1 2026, an estimated $70.8M.
  • Roblox made up 0.01% of Jane Street's portfolio in Q1 2026, its #924 holding.
  • Jane Street first reported a position in Roblox in Q1 2021 and has held it in 19 quarters since.
  • Jane Street's Roblox position peaked at $79M in Q4 2021.
  • 832 funds tracked by Wall St. Rank held Roblox as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.