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OP Asset Management’s American Tower AMT Stock Holding History

OP Asset Management’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
2026
Q2 		$8.52M Buy
52,064
+4,382
+9% +$789K 0.09% 168
2026
Q1 		$8.23M Sell
47,682
-3,454
-7% -$621K 0.07% 168
2025
Q4 		$8.98M Buy
51,136
+344
+0.7% +$62.6K 0.11% 146
2025
Q3 		$9.77M Buy
50,792
+821
+2% +$171K 0.13% 129
2025
Q2 		$11M Buy
49,971
+1,005
+2% +$217K 0.16% 106
2025
Q1 		$10.7M Buy
+48,966
New +$9.61M 0.18% 98

Other funds holding AMT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 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
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $66.1B AUM 33.53% 1-Year Est. Return

OP Asset Management's AMT Position: Q2 2026 in Review

OP Asset Management increased its American Tower (AMT) stake by 9.2% in Q2 2026, buying an estimated $789K and bringing the position to 52,064 shares worth $8.52M. The position accounts for 0.09% of the portfolio, ranked #168.

OP Asset Management first reported a position in AMT in Q1 2025 and has held it in 6 quarters since. The position peaked at $11M in Q2 2025. 1,758 funds tracked by Wall St. Rank hold AMT as of Q2 2026.

  • OP Asset Management held 52,064 shares of American Tower worth $8.52M as of Q2 2026.
  • OP Asset Management bought 4,382 American Tower shares in Q2 2026, an estimated $789K.
  • American Tower made up 0.09% of OP Asset Management's portfolio in Q2 2026, its #168 holding.
  • OP Asset Management first reported a position in American Tower in Q1 2025 and has held it in 6 quarters since.
  • OP Asset Management's American Tower position peaked at $11M in Q2 2025.
  • 1,758 funds tracked by Wall St. Rank held American Tower as of Q2 2026.

Based on OP Asset Management's 13F filing for Q2 2026, filed 28 Jul 2026.