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O'Brien Greene & Co’s American Tower AMT Stock Holding History

O'Brien Greene & Co’s Portfolio AMT Stock Details AMT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-2,271
Closed -$502K – 130
2025
Q2 		$502K Hold
2,271
– – 0.16% 76
2025
Q1 		$494K Sell
2,271
-151
-6% -$29.6K 0.17% 77
2024
Q4 		$444K Sell
2,422
-24
-1% -$4.97K 0.14% 86
2024
Q3 		$569K Sell
2,446
-30
-1% -$6.65K 0.18% 78
2024
Q2 		$481K Buy
2,476
+55
+2% +$10.3K 0.15% 87
2024
Q1 		$478K Buy
2,421
+515
+27% +$103K 0.16% 89
2023
Q4 		$411K Hold
1,906
– – 0.14% 91
2023
Q3 		$313K Sell
1,906
-100
-5% -$18.3K 0.11% 100
2023
Q2 		$389K Buy
2,006
+85
+4% +$16.6K 0.14% 93
2023
Q1 		$392K Hold
1,921
– – 0.15% 92
2022
Q4 		$407K Sell
1,921
-4,612
-71% -$960K 0.15% 94
2022
Q3 		$1.4M Buy
6,533
+4,471
+217% +$1.15M 0.19% 82
2022
Q2 		$527K Buy
2,062
+90
+5% +$22.6K 0.2% 74
2022
Q1 		$495K Buy
1,972
+430
+28% +$105K 0.16% 88
2021
Q4 		$451K Buy
1,542
+92
+6% +$25.1K 0.15% 94
2021
Q3 		$385K Buy
1,450
+50
+4% +$14.3K 0.14% 101
2021
Q2 		$378K Buy
1,400
+150
+12% +$38.2K 0.13% 104
2021
Q1 		$299K Buy
+1,250
New +$278K 0.12% 104

Other funds holding AMT

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

O'Brien Greene & Co's AMT Position: Q3 2025 in Review

O'Brien Greene & Co sold out of American Tower (AMT) in Q3 2025, closing a stake of 2,271 shares — an estimated $502K sold.

O'Brien Greene & Co first reported a position in AMT in Q1 2021 and held it in 18 quarters. The position peaked at $1.4M in Q3 2022. 1,799 funds tracked by Wall St. Rank hold AMT as of Q3 2025.

  • O'Brien Greene & Co reported no remaining American Tower position as of Q3 2025 after selling out during the quarter.
  • O'Brien Greene & Co sold 2,271 American Tower shares in Q3 2025, an estimated $502K.
  • O'Brien Greene & Co first reported a position in American Tower in Q1 2021 and held it in 18 quarters.
  • O'Brien Greene & Co's American Tower position peaked at $1.4M in Q3 2022.
  • 1,799 funds tracked by Wall St. Rank held American Tower as of Q3 2025.

Based on O'Brien Greene & Co's 13F filing for Q3 2025, filed 10 Nov 2025.