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Headlands Technologies’s Aon AON Stock Holding History

Headlands Technologies’s Portfolio AON Stock Details AON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-735
Closed -$262K – 665
2025
Q3 		$262K Buy
735
+666
+965% +$241K 0.02% 493
2025
Q2 		$24.6K Sell
69
-704
-91% -$255K ﹤0.01% 897
2025
Q1 		$308K Buy
773
+474
+159% +$182K 0.04% 374
2024
Q4 		$107K Sell
299
-1,703
-85% -$626K 0.01% 651
2024
Q3 		$693K Buy
+2,002
New +$655K 0.08% 269
2024
Q2 		– Sell
-1,849
Closed -$617K – 1134
2024
Q1 		$617K Buy
1,849
+1,611
+677% +$499K 0.15% 163
2023
Q4 		$69.3K Buy
238
+117
+97% +$37.5K 0.02% 464
2023
Q3 		$39.2K Buy
+121
New +$40K 0.02% 481

Other funds holding AON

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $263B AUM 16.68% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Headlands Technologies's AON Position: Q4 2025 in Review

Headlands Technologies sold out of Aon (AON) in Q4 2025, closing a stake of 735 shares — an estimated $262K sold.

Headlands Technologies first reported a position in AON in Q3 2023 and held it in 8 quarters. The position peaked at $693K in Q3 2024. 1,279 funds tracked by Wall St. Rank hold AON as of Q4 2025.

  • Headlands Technologies reported no remaining Aon position as of Q4 2025 after selling out during the quarter.
  • Headlands Technologies sold 735 Aon shares in Q4 2025, an estimated $262K.
  • Headlands Technologies first reported a position in Aon in Q3 2023 and held it in 8 quarters.
  • Headlands Technologies's Aon position peaked at $693K in Q3 2024.
  • 1,279 funds tracked by Wall St. Rank held Aon as of Q4 2025.

Based on Headlands Technologies's 13F filing for Q4 2025, filed 13 Feb 2026.