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John Overdeck’s Moderna MRNA Stock Holding History

John Overdeck’s Portfolio MRNA Stock Details MRNA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.69M Sell
24,100
-40,900
-63% -$2.12M ﹤0.01% 3153
2026
Q1 		$3.3M Buy
65,000
+56,300
+647% +$2.63M ﹤0.01% 2362
2025
Q4 		$257K Sell
8,700
-2,300
-21% -$62.5K ﹤0.01% 3654
2025
Q3 		$284K Buy
+11,000
New +$307K ﹤0.01% 3238
2022
Q1 		– Sell
-75,200
Closed -$19.1M – 3718
2021
Q4 		$19.1M Sell
75,200
-2,400
-3% -$702K 0.04% 493
2021
Q3 		$29.9M Sell
77,600
-39,200
-34% -$14.5M 0.07% 324
2021
Q2 		$27.4M Sell
116,800
-52,600
-31% -$9.4M 0.06% 388
2021
Q1 		$22.2M Buy
+169,400
New +$24.5M 0.06% 389

Other funds holding MRNA

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 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
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
TP
Theleme Partners London, United Kingdom $1.68B AUM 19.9% 1-Year Est. Return

John Overdeck's MRNA Position: Q2 2026 in Review

John Overdeck reduced its Moderna (MRNA) stake by 21% in Q2 2026, selling an estimated $97.9M and leaving 7,193,530 shares worth $504M. The position accounts for 0.36% of the portfolio, ranked #45.

John Overdeck first reported a position in MRNA in Q2 2019 and has held it in 19 quarters since. 775 funds tracked by Wall St. Rank hold MRNA as of Q2 2026.

  • John Overdeck held 7,193,530 shares of Moderna worth $504M as of Q2 2026.
  • John Overdeck sold 1,892,874 Moderna shares in Q2 2026, an estimated $97.9M.
  • Moderna made up 0.36% of John Overdeck's portfolio in Q2 2026, its #45 holding.
  • John Overdeck first reported a position in Moderna in Q2 2019 and has held it in 19 quarters since.
  • 775 funds tracked by Wall St. Rank held Moderna as of Q2 2026.

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