GDP
AMT icon

Great Diamond Partners’s American Tower AMT Stock Holding History

Great Diamond Partners’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 		$365K Sell
2,234
-15
-0.7% -$2.7K 0.06% 195
2026
Q1 		$388K Sell
2,249
-9
-0.4% -$1.62K 0.07% 181
2025
Q4 		$396K Sell
2,258
-85
-4% -$15.5K 0.08% 170
2025
Q3 		$451K Sell
2,343
-22
-0.9% -$4.58K 0.09% 160
2025
Q2 		$523K Buy
+2,365
New +$511K 0.11% 147
2023
Q1 		– Sell
-5,808
Closed -$1.23M – 215
2022
Q4 		$1.23M Sell
5,808
-247
-4% -$51.4K 0.38% 65
2022
Q3 		$1.3M Sell
6,055
-41
-0.7% -$10.5K 0.44% 59
2022
Q2 		$1.56M Buy
6,096
+120
+2% +$30.1K 0.52% 51
2022
Q1 		$1.5M Sell
5,976
-263
-4% -$64.2K 0.42% 61
2021
Q4 		$1.82M Sell
6,239
-1,334
-18% -$364K 0.47% 58
2021
Q3 		$2.01M Buy
7,573
+242
+3% +$69K 0.55% 50
2021
Q2 		$1.98M Sell
7,331
-30
-0.4% -$7.65K 0.56% 52
2021
Q1 		$1.76M Sell
7,361
-2,797
-28% -$623K 0.54% 55
2020
Q4 		$2.27M Sell
10,158
-1,314
-11% -$305K 0.72% 40
2020
Q3 		$2.77M Buy
11,472
+420
+4% +$106K 1.02% 25
2020
Q2 		$2.86M Sell
11,052
-507
-4% -$125K 1.18% 21
2020
Q1 		$2.52M Buy
11,559
+558
+5% +$130K 1.3% 22
2019
Q4 		$2.53M Buy
+11,001
New +$2.4M 0.96% 24

Other funds holding AMT

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
LWCFA
Loring Wolcott & Coolidge Fiduciary Advisors Boston, Massachusetts $10.3B AUM 3.26% 1-Year Est. Return
DC
Davenport & Co Richmond, Virginia $20.4B AUM 18.11% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
SP
Sarasin & Partners London, United Kingdom $8.54B AUM 9.6% 1-Year Est. Return
COPPSERS
Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
MF
Milford Funds Auckland $6.14B AUM
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
MSRPS
Maryland State Retirement & Pension System Baltimore, Maryland $5.84B AUM 38.19% 1-Year Est. Return

Great Diamond Partners's AMT Position: Q2 2026 in Review

Great Diamond Partners reduced its American Tower (AMT) stake by 0.67% in Q2 2026, selling an estimated $2.7K and leaving 2,234 shares worth $365K. The position accounts for 0.06% of the portfolio, ranked #195.

Great Diamond Partners first reported a position in AMT in Q4 2019 and has held it in 18 quarters since. The position peaked at $2.86M in Q2 2020. 724 funds tracked by Wall St. Rank hold AMT as of Q2 2026.

  • Great Diamond Partners held 2,234 shares of American Tower worth $365K as of Q2 2026.
  • Great Diamond Partners sold 15 American Tower shares in Q2 2026, an estimated $2.7K.
  • American Tower made up 0.06% of Great Diamond Partners's portfolio in Q2 2026, its #195 holding.
  • Great Diamond Partners first reported a position in American Tower in Q4 2019 and has held it in 18 quarters since.
  • Great Diamond Partners's American Tower position peaked at $2.86M in Q2 2020.
  • 724 funds tracked by Wall St. Rank held American Tower as of Q2 2026.

Based on Great Diamond Partners's 13F filing for Q2 2026, filed 17 Jul 2026.