William John Sempolinski
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William John Sempolinski’s Meta Platforms (Facebook) META Stock Holding History

William John Sempolinski’s Portfolio META Stock Details META Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$3.93M Sell
5,415
-100
-2% -$62.4K 1.52% 14
2026
Q2 		$3.11M Sell
5,515
-300
-5% -$183K 1.25% 17
2026
Q1 		$3.33M Sell
5,815
-85
-1% -$54.5K 1.67% 12
2025
Q4 		$3.89M Buy
+5,900
New +$3.94M 1.92% 12

Other funds holding META

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

William John Sempolinski's META Position: Q3 2026 in Review

William John Sempolinski reduced its Meta Platforms (Facebook) (META) stake by 1.8% in Q3 2026, selling an estimated $62.4K and leaving 5,415 shares worth $3.93M. The position accounts for 1.52% of the portfolio, ranked #14.

William John Sempolinski first reported a position in META in Q4 2025 and has held it in 4 quarters since. 4,551 funds tracked by Wall St. Rank hold META as of Q3 2026.

  • William John Sempolinski held 5,415 shares of Meta Platforms (Facebook) worth $3.93M as of Q3 2026.
  • William John Sempolinski sold 100 Meta Platforms (Facebook) shares in Q3 2026, an estimated $62.4K.
  • Meta Platforms (Facebook) made up 1.52% of William John Sempolinski's portfolio in Q3 2026, its #14 holding.
  • William John Sempolinski first reported a position in Meta Platforms (Facebook) in Q4 2025 and has held it in 4 quarters since.
  • 4,551 funds tracked by Wall St. Rank held Meta Platforms (Facebook) as of Q3 2026.

Based on William John Sempolinski's 13F filing for Q3 2026, filed 20 Oct 2026.