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John Overdeck’s Roblox RBLX Stock Holding History

John Overdeck’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 		$337K Sell
6,200
-39,600
-86% -$1.97M ﹤0.01% 4451
2026
Q1 		$2.59M Buy
+45,800
New +$3.08M ﹤0.01% 2570
2025
Q4 		– Sell
-4,000
Closed -$554K – 4359
2025
Q3 		$554K Buy
+4,000
New +$497K ﹤0.01% 2935
2022
Q1 		– Sell
-14,000
Closed -$1.44M – 4020
2021
Q4 		$1.44M Buy
+14,000
New +$1.36M ﹤0.01% 2227

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
IC
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

John Overdeck's RBLX Position: Q2 2026 in Review

John Overdeck increased its Roblox (RBLX) stake by 12% in Q2 2026, buying an estimated $69.9M and bringing the position to 13,448,649 shares worth $731M. The position accounts for 0.53% of the portfolio, ranked #23.

John Overdeck first reported a position in RBLX in Q1 2021 and has held it in 18 quarters since. 786 funds tracked by Wall St. Rank hold RBLX as of Q2 2026.

  • John Overdeck held 13,448,649 shares of Roblox worth $731M as of Q2 2026.
  • John Overdeck bought 1,404,681 Roblox shares in Q2 2026, an estimated $69.9M.
  • Roblox made up 0.53% of John Overdeck's portfolio in Q2 2026, its #23 holding.
  • John Overdeck first reported a position in Roblox in Q1 2021 and has held it in 18 quarters since.
  • 786 funds tracked by Wall St. Rank held Roblox as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.