v3.26.1
LONG-TERM OBLIGATIONS (Tables)
 6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt Instruments
Outstanding amounts under the Company’s long-term obligations, reflecting discounts, premiums and debt issuance costs, consisted of the following:
As of
June 30, 2026December 31, 2025Maturity Date
2021 Multicurrency Credit Facility (1)$1,085.0 $380.0 May 1, 2029
2021 Term Loan (1)997.9 998.1 May 1, 2029
2021 Credit Facility (1)695.0 — May 1, 2031
4.400% senior notes (2)
— 499.9 N/A
1.600% senior notes (3)
— 699.7 N/A
1.950% senior notes (4)
— 586.9 N/A
1.450% senior notes (5)
599.7 598.9 September 15, 2026
3.375% senior notes (5)
999.4 998.5 October 15, 2026
3.125% senior notes (5)
399.8 399.6 January 15, 2027
2.750% senior notes (5)
749.4 749.0 January 15, 2027
0.450% senior notes (5) (6)
856.0 879.7 January 15, 2027
0.400% senior notes (5) (6)
570.4 585.8 February 15, 2027
3.650% senior notes (5)
648.8 648.0 March 15, 2027
4.125% senior notes (5) (6) (7)
399.2 703.1 May 16, 2027
3.55% senior notes
749.1 748.7 July 15, 2027
3.600% senior notes
698.4 697.9 January 15, 2028
0.500% senior notes (6)
854.7 878.3 January 15, 2028
1.500% senior notes
648.9 648.5 January 31, 2028
5.500% senior notes
697.2 696.5 March 15, 2028
5.250% senior notes
647.1 646.4 July 15, 2028
5.800% senior notes
746.5 745.9 November 15, 2028
5.200% senior notes
645.8 645.1 February 15, 2029
3.950% senior notes
596.6 596.0 March 15, 2029
0.875% senior notes (6)
854.4 878.2 May 21, 2029
3.800% senior notes
1,643.4 1,642.4 August 15, 2029
2.900% senior notes
746.5 746.0 January 15, 2030
5.000% senior notes
595.1 594.4 January 31, 2030
4.900% senior notes
848.2 848.0 March 15, 2030
3.900% senior notes (6)
567.6 583.3 May 16, 2030
2.100% senior notes
745.7 745.2 June 15, 2030
0.950% senior notes (6)
567.3 583.1 October 5, 2030
1.875% senior notes
795.7 795.2 October 15, 2030
2.700% senior notes
696.6 696.3 April 15, 2031
4.625% senior notes (6)
566.4 582.2 May 16, 2031
2.300% senior notes
694.9 694.5 September 15, 2031
1.000% senior notes (6)
738.2 758.8 January 15, 2032
4.050% senior notes
644.8 644.4 March 15, 2032
3.625% senior notes (6)
567.9 583.9 May 30, 2032
4.700% senior notes
840.9 840.4 December 15, 2032
5.650% senior notes
792.8 792.3 March 15, 2033
1.250% senior notes (6)
566.4 582.4 May 21, 2033
5.550% senior notes
842.6 842.2 July 15, 2033
4.000% senior notes (6)
848.3 — September 1, 2033
5.900% senior notes
743.2 742.9 November 15, 2033
5.450% senior notes
641.9 641.5 February 15, 2034
4.100% senior notes (6)
564.9 580.8 May 16, 2034
5.400% senior notes
592.9 592.5 January 31, 2035
5.350% senior notes
731.1 731.4 March 15, 2035
3.700% senior notes
592.9 592.8 October 15, 2049
3.100% senior notes
1,039.3 1,039.1 June 15, 2050
2.950% senior notes
1,024.9 1,024.5 January 15, 2051
Total American Tower Corporation debt 35,379.7 35,409.2 
Series 2018-1A securities (8)498.7 498.3 March 15, 2028
Series 2023-1A securities (9)1,293.6 1,291.7 March 15, 2028
Other subsidiary debt (10)3.2 5.2 Various
Total American Tower subsidiary debt1,795.5 1,795.2 
Finance lease obligations14.4 15.9 
Total37,189.6 37,220.3 
Less current portion of long-term obligations(5,226.5)(3,387.8)
Long-term obligations$31,963.1 $33,832.5 
_______________
(1)Accrues interest at a variable rate.
(2)Repaid in full on February 13, 2026 using borrowings under the 2021 Credit Facility (as defined below) and cash on hand.
(3)Repaid in full on April 14, 2026 using borrowings under the 2021 Credit Facility and cash on hand.
(4)Repaid in full on May 21, 2026 using borrowings under the 2021 Multicurrency Credit Facility.
(5)Included in Current portion of long-term obligations.
(6)Notes are denominated in Euro (“EUR”).
(7)Partially redeemed on June 18, 2026 using proceeds from the issuance of the 4.000% Notes (as defined below).
(8)Maturity date reflects the anticipated repayment date; final legal maturity is March 15, 2048.
(9)Maturity date reflects the anticipated repayment date; final legal maturity is March 15, 2053.
(10)As of June 30, 2026 includes debt entered into by the Company’s Data Centers business in connection with an acquisition of a multi-tenant data facility in Denver, Colorado, which is denominated in U.S. Dollars and is payable in monthly installments through March 31, 2028. As of December 31, 2025 also included borrowings under an unsecured term loan in Bangladesh, which was denominated in Bangladeshi Taka (the “Bangladesh Term Loan”). The Bangladesh Term Loan was assumed by the buyer in the sale of the Company’s noncontrolling interest in KTBL.
The key terms of the 4.000% Notes are as follows:
Senior NotesAggregate Principal Amount (in millions)Issue Date and Interest Accrual DateMaturity DateContractual Interest RateFirst Interest PaymentInterest Payments Due (1)Par Call Date (2)
4.000% Notes (3)
$872.0 May 27, 2026September 1, 2033
4.000%
September 1, 2026September 1July 1, 2033
___________
(1)Interest on EUR denominated notes is payable in EUR annually in arrears and will be computed on the basis of the actual number of days in the period for which interest is being calculated and the actual number of days from and including the last date on which interest was paid on the notes, beginning on the issue date.
(2)The Company may redeem the 4.000% Notes at any time, in whole or in part, at a redemption price equal to 100% of the principal amount of the 4.000% Notes plus a make-whole premium, together with accrued interest to the redemption date. If the Company redeems the 4.000% Notes on or after the par call date, the Company will not be required to pay a make-whole premium.
(3)The 4.000% Notes are denominated in EUR; dollar amounts represent the aggregate principal amount at the issuance date.
As of June 30, 2026, the key terms under the Loans were as follows:
Outstanding Principal Balance
(in millions)		Undrawn letters of credit
(in millions)		Maturity DateCurrent margin over SOFR or EURIBOR (1)Current commitment fee (2)
2021 Multicurrency Credit Facility$1,085.0 $18.7 May 1, 2029(3)0.875%0.100%
2021 Credit Facility695.0 20.7 May 1, 2031(3)0.875%0.100%
2021 Term Loan1,000.0 N/AMay 1, 20290.875%N/A
_______________
(1)Secured Overnight Financing Rate (“SOFR”) applies to the USD denominated borrowings under the 2021 Multicurrency Credit Facility, the 2021 Credit Facility and the 2021 Term Loan. Euro Interbank Offer Rate (“EURIBOR”) applies for EURIBOR based borrowings.
(2)Fee on undrawn portion of each credit facility.
(3)Subject to two optional renewal periods.