AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

CADIAN CAPITAL MANAGEMENT, LP's Holding History (CIK: 0001423686)

Note: Option positions (PUT/CALL) are excluded.

Q3 2018

Shares 380,000 Value ($000) $55,214 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 610,000 Value ($000) $87,944 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 710,000 Value ($000) $103,191 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 355,885 Value ($000) $50,774 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 325,885 Value ($000) $44,542 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 150,785 Value ($000) $19,952 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 514,385 Value ($000) $62,518 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 741,885 Value ($000) $78,402 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 328,750 Value ($000) $37,257 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 610,000 Value ($000) $69,302 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 565,000 Value ($000) $57,839 Avg Close $73.16 Range $65.02 - $80.56

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	380,000	$55,214	$120.79	$114.07 - $125.11
Q2 2018	610,000	$87,944	$113.83	$109.35 - $119.75
Q1 2018	710,000	$103,191	$114.77	$106.21 - $122.30
Q4 2017	355,885	$50,774	$115.75	$109.97 - $125.87
Q3 2017	325,885	$44,542	$112.31	$105.52 - $119.95
Q2 2017	150,785	$19,952	$102.88	$96.18 - $110.06
Q1 2017	514,385	$62,518	$87.85	$81.86 - $97.31
Q4 2016	741,885	$78,402	$86.33	$79.20 - $93.79
Q3 2016	328,750	$37,257	$90.38	$85.02 - $93.47
Q2 2016	610,000	$69,302	$83.75	$79.73 - $89.81
Q1 2016	565,000	$57,839	$73.16	$65.02 - $80.56