William Mack & Associates
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William Mack & Associates’s HEICO Corp HEI Stock Holding History

William Mack & Associates’s Portfolio HEI Stock Details HEI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$910 Buy
+3
New +$1.02K ﹤0.01% 746

Other funds holding HEI

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $824B AUM 37.44% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

William Mack & Associates's HEI Position: Q3 2026 in Review

William Mack & Associates opened a new position in HEICO Corp (HEI) in Q3 2026: 3 shares worth $910. The stake represents ﹤0.01% of the portfolio and ranks #746 among its holdings.

630 funds tracked by Wall St. Rank hold HEI as of Q3 2026.

  • William Mack & Associates held 3 shares of HEICO Corp worth $910 as of Q3 2026.
  • HEICO Corp was a new William Mack & Associates position in Q3 2026.
  • HEICO Corp made up ﹤0.01% of William Mack & Associates's portfolio in Q3 2026, its #746 holding.
  • 630 funds tracked by Wall St. Rank held HEICO Corp as of Q3 2026.

Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.