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Daniel Sundheim’s Reddit RDDT Stock Holding History

Daniel Sundheim’s Portfolio RDDT Stock Details RDDT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$428M Buy
2,464,411
+5,260
+0.2% +$842K 1.23% 10
2026
Q1 		$331M Buy
2,459,151
+340,554
+16% +$58M 2.95% 14
2025
Q4 		$487M Buy
2,118,597
+94,000
+5% +$19.8M 4.55% 5
2025
Q3 		$466M Buy
2,024,597
+97,597
+5% +$19.9M 5.35% 4
2025
Q2 		$290M Buy
1,927,000
+139,000
+8% +$15.8M 4.03% 9
2025
Q1 		$188M Buy
+1,788,000
New +$296M 2.87% 13

Other funds holding RDDT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 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
JCAM
Jericho Capital Asset Management New York $12.1B AUM 109.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Daniel Sundheim's RDDT Position: Q2 2026 in Review

Daniel Sundheim increased its Reddit (RDDT) stake by 0.21% in Q2 2026, buying an estimated $842K and bringing the position to 2,464,411 shares worth $428M. The position accounts for 1.23% of the portfolio, ranked #10.

Daniel Sundheim first reported a position in RDDT in Q1 2025 and has held it in 6 quarters since. The position peaked at $487M in Q4 2025. 888 funds tracked by Wall St. Rank hold RDDT as of Q2 2026.

  • Daniel Sundheim held 2,464,411 shares of Reddit worth $428M as of Q2 2026.
  • Daniel Sundheim bought 5,260 Reddit shares in Q2 2026, an estimated $842K.
  • Reddit made up 1.23% of Daniel Sundheim's portfolio in Q2 2026, its #10 holding.
  • Daniel Sundheim first reported a position in Reddit in Q1 2025 and has held it in 6 quarters since.
  • Daniel Sundheim's Reddit position peaked at $487M in Q4 2025.
  • 888 funds tracked by Wall St. Rank held Reddit as of Q2 2026.

Based on D1 Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.