Twin Tree Management’s American Tower AMT Stock Holding History

Twin Tree 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	–	Sell	-46,900	Closed	-$8.23M	–	1263
2025 Q4	$8.23M	Sell	46,900 -185,000	-80%	-$33.7M	0.07%	348
2025 Q3	$44.6M	Sell	231,900 -182,000	-44%	-$37.9M	0.19%	98
2025 Q2	$91.5M	Buy	+413,900	New	+$89.4M	0.17%	106
2024 Q4	–	Sell	-170,600	Closed	-$39.7M	–	1559
2024 Q3	$39.7M	Buy	170,600 +139,400	+447%	+$30.9M	0.08%	215
2024 Q2	$6.06M	Sell	31,200 -1,657,900	-98%	-$310M	0.01%	706
2024 Q1	$334M	Sell	1,689,100 -124,200	-7%	-$24.7M	0.74%	19
2023 Q4	$391M	Buy	1,813,300 +192,600	+12%	+$36.4M	0.75%	14
2023 Q3	$267M	Buy	1,620,700 +1,482,300	+1,071%	+$271M	0.6%	19
2023 Q2	$26.8M	Sell	138,400 -282,700	-67%	-$55.3M	0.04%	335
2023 Q1	$86M	Buy	421,100 +46,100	+12%	+$9.67M	0.16%	92
2022 Q4	$79.4M	Sell	375,000 -523,000	-58%	-$109M	0.17%	94
2022 Q3	$193M	Buy	898,000 +124,900	+16%	+$32.1M	0.37%	28
2022 Q2	$198M	Buy	773,100 +629,200	+437%	+$158M	0.31%	26
2022 Q1	$36.2M	Hold	143,900	–	–	0.06%	288
2021 Q4	$42.1M	Buy	+143,900	New	+$39.3M	0.09%	203
2021 Q2	–	Sell	-130,500	Closed	-$31.2M	–	1310
2021 Q1	$31.2M	Sell	130,500 -81,600	-38%	-$18.2M	0.12%	187
2020 Q4	$47.6M	Sell	212,100 -223,200	-51%	-$51.9M	0.19%	127
2020 Q3	$105M	Buy	435,300 +130,600	+43%	+$33.1M	0.43%	38
2020 Q2	$78.8M	Buy	304,700 +266,800	+704%	+$66M	0.32%	51
2020 Q1	$8.25M	Buy	37,900 +10,400	+38%	+$2.42M	0.04%	368
2019 Q4	$6.32M	Sell	27,500 -15,300	-36%	-$3.33M	0.02%	458
2019 Q3	$9.46M	Buy	+42,800	New	+$9.34M	0.04%	345
2019 Q2	–	Sell	-80,300	Closed	-$15.8M	–	1223
2019 Q1	$15.8M	Sell	80,300 -329,800	-80%	-$57.8M	0.08%	212
2018 Q4	$64.9M	Buy	410,100 +72,200	+21%	+$11.3M	0.4%	28
2018 Q3	$49.1M	Buy	337,900 +33,400	+11%	+$4.9M	0.33%	44
2018 Q2	$43.9M	Buy	304,500 +97,000	+47%	+$13.5M	0.27%	67
2018 Q1	$30.2M	Sell	207,500 -191,600	-48%	-$27M	0.24%	53
2017 Q4	$56.9M	Buy	399,100 +311,100	+354%	+$44.4M	0.42%	39
2017 Q3	$12M	Buy	88,000 +73,400	+503%	+$10.2M	0.1%	201
2017 Q2	$1.93M	Sell	14,600 -75,400	-84%	-$9.66M	0.02%	556
2017 Q1	$10.9M	Sell	90,000 -180,000	-67%	-$19.8M	0.1%	211
2016 Q4	$28.5M	Buy	+270,000	New	+$29.3M	0.28%	67
2016 Q3	–	Sell	-24,700	Closed	-$2.81M	–	1125
2016 Q2	$2.81M	Sell	24,700 -25,600	-51%	-$2.72M	0.04%	393
2016 Q1	$5.15M	Buy	+50,300	New	+$4.7M	0.1%	214
2015 Q4	–	Sell	-3,500	Closed	-$308K	–	1372
2015 Q3	$308K	Sell	3,500 -24,800	-88%	-$2.33M	0.01%	894
2015 Q2	$2.64M	Buy	+28,300	New	+$2.68M	0.06%	320
2014 Q3	–	Sell	-8,600	Closed	-$774K	–	968
2014 Q2	$774K	Sell	8,600 -900	-9%	-$77.9K	0.02%	616
2014 Q1	$778K	Sell	9,500 -35,500	-79%	-$2.89M	0.02%	667
2013 Q4	$3.59M	Buy	45,000 +24,000	+114%	+$1.86M	0.09%	254
2013 Q3	$1.56M	Buy	21,000 +18,100	+624%	+$1.31M	0.05%	374
2013 Q2	$212K	Buy	+2,900	New	+$231K	0.01%	695

Other funds holding AMT

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

Twin Tree Management's AMT Position: Q1 2026 in Review

Twin Tree Management opened a new position in American Tower (AMT) in Q1 2026: 375 shares worth $64.7K. The stake represents ﹤0.01% of the portfolio and ranks #1182 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in AMT as recently as Q1 2024.

Twin Tree Management first reported a position in AMT in Q2 2013 and has held it in 13 quarters since. The position peaked at $25M in Q1 2024. 1,748 funds tracked by Wall St. Rank hold AMT as of Q1 2026.

Twin Tree Management held 375 shares of American Tower worth $64.7K as of Q1 2026.
American Tower was a new Twin Tree Management position in Q1 2026.
American Tower made up ﹤0.01% of Twin Tree Management's portfolio in Q1 2026, its #1182 holding.
Twin Tree Management first reported a position in American Tower in Q2 2013 and has held it in 13 quarters since.
Twin Tree Management's American Tower position peaked at $25M in Q1 2024.
1,748 funds tracked by Wall St. Rank held American Tower as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.