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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
Q1 		$8.23M Sell
47,682
-3,454
-7% -$621K 0.08% 165
2025
Q4 		$8.98M Sell
51,136
-982
-2% -$179K 0.11% 147
2025
Q3 		$10M Sell
52,118
-1,711
-3% -$356K 0.13% 132
2025
Q2 		$11.9M Buy
53,829
+4,863
+10% +$1.05M 0.17% 104
2025
Q1 		$10.7M Buy
+48,966
New +$9.61M 0.17% 104

Other funds holding AMT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

OP Asset Management's AMT Position: Q1 2026 in Review

OP Asset Management reduced its American Tower (AMT) stake by 6.8% in Q1 2026, selling an estimated $621K and leaving 47,682 shares worth $8.23M. The position accounts for 0.08% of the portfolio, ranked #165.

OP Asset Management first reported a position in AMT in Q1 2025 and has held it in 5 quarters since. The position peaked at $11.9M in Q2 2025. 1,749 funds tracked by Wall St. Rank hold AMT as of Q1 2026.

  • OP Asset Management held 47,682 shares of American Tower worth $8.23M as of Q1 2026.
  • OP Asset Management sold 3,454 American Tower shares in Q1 2026, an estimated $621K.
  • American Tower made up 0.08% of OP Asset Management's portfolio in Q1 2026, its #165 holding.
  • OP Asset Management first reported a position in American Tower in Q1 2025 and has held it in 5 quarters since.
  • OP Asset Management's American Tower position peaked at $11.9M in Q2 2025.
  • 1,749 funds tracked by Wall St. Rank held American Tower as of Q1 2026.

Based on OP Asset Management's 13F filing for Q1 2026, filed 9 Apr 2026.