Vanguard Portfolio Management
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Vanguard Portfolio Management’s Quantum Computing Inc QUBT Stock Holding History

Vanguard Portfolio Management’s Portfolio QUBT Stock Details QUBT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$63.7M Sell
6,566,582
-143,542
-2% -$1.4M ﹤0.01% 1651
2026
Q1 		$46M Buy
+6,710,124
New +$61.3M ﹤0.01% 1681

Other funds holding QUBT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return
DE
Defiance ETFs New York $7.37B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Vanguard Portfolio Management's QUBT Position: Q2 2026 in Review

Vanguard Portfolio Management reduced its Quantum Computing Inc (QUBT) stake by 2.1% in Q2 2026, selling an estimated $1.4M and leaving 6,566,582 shares worth $63.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1651.

Vanguard Portfolio Management first reported a position in QUBT in Q1 2026 and has held it in 2 quarters since. 311 funds tracked by Wall St. Rank hold QUBT as of Q2 2026.

  • Vanguard Portfolio Management held 6,566,582 shares of Quantum Computing Inc worth $63.7M as of Q2 2026.
  • Vanguard Portfolio Management sold 143,542 Quantum Computing Inc shares in Q2 2026, an estimated $1.4M.
  • Quantum Computing Inc made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1651 holding.
  • Vanguard Portfolio Management first reported a position in Quantum Computing Inc in Q1 2026 and has held it in 2 quarters since.
  • 311 funds tracked by Wall St. Rank held Quantum Computing Inc as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.