William Blair Investment Management
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William Blair Investment Management’s Marvell Technology MRVL Stock Holding History

William Blair Investment Management’s Portfolio MRVL Stock Details MRVL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$17.6M Sell
58,923
-40,619
-41% -$8.14M 0.05% 266
2026
Q1 		$9.86M Sell
99,542
-8,887
-8% -$746K 0.03% 315
2025
Q4 		$9.21M Buy
108,429
+89,755
+481% +$7.86M 0.03% 319
2025
Q3 		$1.57M Buy
18,674
+3,271
+21% +$241K ﹤0.01% 353
2025
Q2 		$1.19M Buy
15,403
+541
+4% +$33.8K ﹤0.01% 366
2025
Q1 		$915K Buy
+14,862
New +$1.44M ﹤0.01% 366

Other funds holding MRVL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

William Blair Investment Management's MRVL Position: Q2 2026 in Review

William Blair Investment Management reduced its Marvell Technology (MRVL) stake by 41% in Q2 2026, selling an estimated $8.14M and leaving 58,923 shares worth $17.6M. The position accounts for 0.05% of the portfolio, ranked #266.

William Blair Investment Management first reported a position in MRVL in Q1 2025 and has held it in 6 quarters since. 2,205 funds tracked by Wall St. Rank hold MRVL as of Q2 2026.

  • William Blair Investment Management held 58,923 shares of Marvell Technology worth $17.6M as of Q2 2026.
  • William Blair Investment Management sold 40,619 Marvell Technology shares in Q2 2026, an estimated $8.14M.
  • Marvell Technology made up 0.05% of William Blair Investment Management's portfolio in Q2 2026, its #266 holding.
  • William Blair Investment Management first reported a position in Marvell Technology in Q1 2025 and has held it in 6 quarters since.
  • 2,205 funds tracked by Wall St. Rank held Marvell Technology as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.