John Overdeck’s ATN International ATNI Stock Holding History

John Overdeck’s Portfolio ATNI Stock Details ATNI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.1M	Buy	79,096 +23,616	+43%	+$642K	﹤0.01%	2958
2026 Q1	$1.51M	Buy	+55,480	New	+$1.41M	﹤0.01%	2973
2024 Q3	–	Sell	-12,585	Closed	-$287K	–	3108
2024 Q2	$287K	Sell	12,585 -19,555	-61%	-$476K	﹤0.01%	2615
2024 Q1	$1.01M	Buy	+32,140	New	+$1.12M	﹤0.01%	1951
2020 Q1	–	Sell	-6,457	Closed	-$358K	–	3080
2019 Q4	$358K	Sell	6,457 -3,715	-37%	-$211K	﹤0.01%	3055
2019 Q3	$594K	Buy	+10,172	New	+$583K	﹤0.01%	2409
2018 Q2	–	Sell	-14,608	Closed	-$871K	–	3294
2018 Q1	$871K	Buy	+14,608	New	+$858K	﹤0.01%	2102
2016 Q3	–	Sell	-20,167	Closed	-$1.57M	–	3079
2016 Q2	$1.57M	Buy	+20,167	New	+$1.49M	0.01%	1422

Other funds holding ATNI

GACM

Global Alpha Capital Management Montreal, Quebec, Canada $1.67B AUM 35.09% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

BBHC

Brown Brothers Harriman & Co New York $22.8B AUM 25.09% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

John Overdeck's ATNI Position: Q2 2026 in Review

John Overdeck increased its ATN International (ATNI) stake by 43% in Q2 2026, buying an estimated $642K and bringing the position to 79,096 shares worth $2.1M. The position accounts for ﹤0.01% of the portfolio, ranked #2958.

John Overdeck first reported a position in ATNI in Q2 2016 and has held it in 8 quarters since. 133 funds tracked by Wall St. Rank hold ATNI as of Q2 2026.

John Overdeck held 79,096 shares of ATN International worth $2.1M as of Q2 2026.
John Overdeck bought 23,616 ATN International shares in Q2 2026, an estimated $642K.
ATN International made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2958 holding.
John Overdeck first reported a position in ATN International in Q2 2016 and has held it in 8 quarters since.
133 funds tracked by Wall St. Rank held ATN International as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.