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634 hedge funds and large institutions have $21.7B invested in AerCap in 2025 Q4 according to their latest regulatory filings, with 116 funds opening new positions, 184 increasing their positions, 244 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

137% more first-time investments, than exits

New positions opened: 116 | Existing positions closed: 49

20% more capital invested

Capital invested by funds: $18.1B → $21.7B (+$3.63B)

10% more funds holding

Funds holding: 576634 (+58)

8% more funds holding in top 10

Funds holding in top 10: 3639 (+3)

4% more call options, than puts

Call options by funds: $124M | Put options by funds: $119M

0.96% more ownership

Funds ownership: 79.82%80.78% (+0.96%)

25% less repeat investments, than reductions

Existing positions increased: 184 | Existing positions reduced: 244

Holders
634
Holders Change
+58
Holders Change %
+10.07%
% of All Funds
7.67%
Holding in Top 10
39
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+8.33%
% of All Funds
0.47%
New
116
Increased
184
Reduced
244
Closed
49
Calls
$124M
Puts
$119M
Net Calls
+$5.14M
Net Calls Change
-$24.5M

AER Hedge Fund Activity: Q4 2025 in Review

634 of the 8,261 institutional investors tracked by Wall St. Rank reported a position in AerCap (AER) for Q4 2025, worth a combined $21.7B — up 20% from $18.1B a quarter earlier.

Buyers outnumbered sellers: 116 funds opened new AER positions and 49 closed out — a net gain of 67 holders — while 184 added to existing stakes and 244 trimmed.

The largest buyer was Harris Associates, opening a new position worth an estimated $774M. The largest seller was D.E. Shaw & Co, cutting an estimated $266M.

  • 634 institutional investors held AerCap (AER) as of Q4 2025, up from 576 in Q3 2025.
  • Funds reported $21.7B of AerCap stock for Q4 2025, up 20% quarter-over-quarter.
  • 116 funds opened new AerCap positions in Q4 2025 and 49 closed out, a net change of +67 holders.
  • The largest AerCap buyer in Q4 2025 was Harris Associates, an estimated $774M added.
  • The largest AerCap seller in Q4 2025 was D.E. Shaw & Co, an estimated $266M sold.

Based on aggregated 13F filings for Q4 2025.