SEI Investments’s ATN International ATNI Stock Holding History

SEI Investments’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 Q1	$2.33M	Buy	85,747 +45,903	+115%	+$1.17M	﹤0.01%	1940
2025 Q4	$908K	Buy	+39,844	New	+$738K	﹤0.01%	2225
2024 Q4	–	Sell	-7,342	Closed	-$237K	–	2729
2024 Q3	$237K	Sell	7,342 -6,020	-45%	-$158K	﹤0.01%	2420
2024 Q2	$305K	Buy	+13,362	New	+$326K	﹤0.01%	2329
2024 Q1	–	Sell	-52,453	Closed	-$2.04M	–	2624
2023 Q4	$2.04M	Buy	52,453 +1,922	+4%	+$63.5K	﹤0.01%	1588
2023 Q3	$1.59M	Sell	50,531 -2,448	-5%	-$87K	﹤0.01%	1696
2023 Q2	$1.94M	Hold	52,979	–	–	﹤0.01%	1644
2023 Q1	$2.17M	Buy	52,979 +1,882	+4%	+$83.1K	﹤0.01%	1586
2022 Q4	$2.32M	Hold	51,097	–	–	0.01%	1427
2022 Q3	$1.97M	Hold	51,097	–	–	﹤0.01%	1550
2022 Q2	$2.4M	Buy	51,097 +1,961	+4%	+$83K	0.01%	1461
2022 Q1	$1.96M	Hold	49,136	–	–	﹤0.01%	1545
2021 Q4	$1.96M	Buy	49,136 +721	+1%	+$30.8K	﹤0.01%	1593
2021 Q3	$2.27M	Sell	48,415 -8,015	-14%	-$363K	﹤0.01%	1443
2021 Q2	$2.57M	Sell	56,430 -343	-0.6%	-$16.3K	0.01%	1400
2021 Q1	$2.79M	Sell	56,773 -5,248	-8%	-$249K	0.01%	1316
2020 Q4	$2.59M	Buy	62,021 +401	+0.7%	+$19.1K	0.01%	1268
2020 Q3	$3.09M	Buy	61,620 +2,597	+4%	+$148K	0.01%	1095
2020 Q2	$3.58M	Buy	59,023 +1,147	+2%	+$68.8K	0.01%	1003
2020 Q1	$3.4M	Buy	57,876 +2,479	+4%	+$140K	0.01%	922
2019 Q4	$3.07M	Buy	55,397 +7,905	+17%	+$450K	0.01%	1137
2019 Q3	$2.77M	Buy	47,492 +7,677	+19%	+$440K	0.01%	1188
2019 Q2	$2.3M	Buy	39,815 +1,591	+4%	+$95.4K	0.01%	1273
2019 Q1	$2.15M	Buy	38,224 +8,116	+27%	+$538K	0.01%	1279
2018 Q4	$2.22M	Hold	30,108	–	–	0.01%	1254
2018 Q3	$2.22M	Buy	30,108 +11,601	+63%	+$777K	0.01%	1228
2018 Q2	$977K	Buy	18,507 +13,709	+286%	+$770K	﹤0.01%	1599
2018 Q1	$286K	Buy	4,798 +4,794	+119,850%	+$282K	﹤0.01%	1772
2017 Q4	$0	Buy	+4	New	+$219	﹤0.01%	3332

Other funds holding ATNI

GACM

Global Alpha Capital Management Montreal, Quebec, Canada $1.66B AUM 27.98% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

BBHC

Brown Brothers Harriman & Co New York $18.6B AUM 15.81% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

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

SEI Investments's ATNI Position: Q1 2026 in Review

SEI Investments increased its ATN International (ATNI) stake by 115% in Q1 2026, buying an estimated $1.17M and bringing the position to 85,747 shares worth $2.33M. The position accounts for ﹤0.01% of the portfolio, ranked #1940.

SEI Investments first reported a position in ATNI in Q4 2017 and has held it in 29 quarters since. The position peaked at $3.58M in Q2 2020. 124 funds tracked by Wall St. Rank hold ATNI as of Q1 2026.

SEI Investments held 85,747 shares of ATN International worth $2.33M as of Q1 2026.
SEI Investments bought 45,903 ATN International shares in Q1 2026, an estimated $1.17M.
ATN International made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #1940 holding.
SEI Investments first reported a position in ATN International in Q4 2017 and has held it in 29 quarters since.
SEI Investments's ATN International position peaked at $3.58M in Q2 2020.
124 funds tracked by Wall St. Rank held ATN International as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.