William Blair Investment Management
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William Blair Investment Management’s FTAI Aviation FTAI Stock Holding History

William Blair Investment Management’s Portfolio FTAI Stock Details FTAI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-902,875
Closed -$151M – 431
2025
Q3 		$151M Sell
902,875
-394,090
-30% -$56M 0.39% 71
2025
Q2 		$149M Sell
1,296,965
-128,013
-9% -$14.3M 0.4% 76
2025
Q1 		$158M Buy
1,424,978
+214,396
+18% +$25.3M 0.44% 62
2024
Q4 		$174M Buy
+1,210,582
New +$178M 0.43% 73

Other funds holding FTAI

Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Ensign Peak Advisors
Ensign Peak Advisors Salt Lake City, Utah $53.7B AUM 29.47% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
DZ Bank
DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return

William Blair Investment Management's FTAI Position: Q4 2025 in Review

William Blair Investment Management sold out of FTAI Aviation (FTAI) in Q4 2025, closing a stake of 902,875 shares — an estimated $151M sold.

William Blair Investment Management first reported a position in FTAI in Q4 2024 and held it in 4 quarters. The position peaked at $174M in Q4 2024. 516 funds tracked by Wall St. Rank hold FTAI as of Q4 2025.

  • William Blair Investment Management reported no remaining FTAI Aviation position as of Q4 2025 after selling out during the quarter.
  • William Blair Investment Management sold 902,875 FTAI Aviation shares in Q4 2025, an estimated $151M.
  • William Blair Investment Management first reported a position in FTAI Aviation in Q4 2024 and held it in 4 quarters.
  • William Blair Investment Management's FTAI Aviation position peaked at $174M in Q4 2024.
  • 516 funds tracked by Wall St. Rank held FTAI Aviation as of Q4 2025.

Based on William Blair Investment Management's 13F filing for Q4 2025, filed 9 Feb 2026.