ATN Ownership | Who Owns ATN?

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ATN Ownership Summary

ATN is owned by 62.80% institutional investors, 35.28% insiders, and 1.92% retail investors. Global alpha capital management is the largest institutional shareholder, holding 9.45% of ATNI shares. CC&L Global Alpha - Series A is the top mutual fund, with 4.52% of its assets in ATN shares.

ATNI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ATN	62.80%	35.28%	1.92%
Sector	Communication Services Stocks	42.83%	17.94%	39.23%
Industry	Telecom Stocks	43.93%	14.91%	41.16%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Global alpha capital management	1.44M	9.45%	$38.26M
Blackrock funding, inc. /de	923.25K	6.04%	$24.46M
Blackrock	870.00K	5.64%	$19.84M
Dimensional fund advisors lp	727.37K	4.76%	$19.27M
Brown brothers harriman	662.54K	4.34%	$17.55M
Vanguard group	583.03K	3.83%	$13.29M
American century companies	573.64K	3.75%	$15.20M
Vanguard capital management	414.18K	2.71%	$10.97M
Acadian asset management	379.77K	2.48%	$10.05M
D. e. shaw	375.14K	2.45%	$9.94M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Global alpha capital management	1.44M	2.29%	$38.26M
Ballast asset management, lp	136.24K	1.44%	$3.61M
Semanteon capital management, lp	7.69K	0.92%	$203.74K
Summerhaven investment management	36.83K	0.87%	$1.19M
Harbor asset planning	19.19K	0.40%	$533.87K
Invenomic capital management lp	183.50K	0.13%	$2.75M
Brown brothers harriman	662.54K	0.08%	$17.55M
Bridgeway capital management	147.75K	0.07%	$3.91M
Dynamic technology lab private	9.88K	0.06%	$262.00K
Keeley-teton advisors	23.43K	0.05%	$393.84K

Top Buyers

Holder	Shares	% Assets	Change
American century companies	573.64K	0.01%	98.70K
Sixth street partners management company	82.30K	0.00%	82.30K
Citadel advisors	98.45K	0.00%	59.87K
O'shaughnessy asset management	68.19K	0.01%	54.17K
Summerhaven investment management	36.83K	0.87%	36.83K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	870.00K	0.00%	-889.11K
Heartland advisors	-	-	-195.50K
Universal- beteiligungs- und servicegesellschaft mbh	-	-	-103.80K
Macquarie group	-	-	-96.57K
Principal financial group	-	-	-53.60K

New Positions

Holder	Shares	% Assets	Change	Value
Sixth street partners management company	82.30K	0.00%	82.30K	$2.18M
Summerhaven investment management	36.83K	0.87%	36.83K	$1.19M
Magnetar financial	22.34K	0.01%	22.34K	$591.87K
Prudential financial	14.34K	0.00%	14.34K	$379.81K
Algert global	10.39K	0.00%	10.39K	$275.23K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-2.00
Mai capital management	-5.00
Farmers & merchants investments	-7.00
Skopos labs	-8.00
Wealthcollab	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	135	8.87%	9,597,231	4.71%	62	1.74%	76	11.76%	40	11.11%
Mar 31, 2026	119	6.25%	9,117,180	3.51%	59	1.78%	66	34.69%	34	-26.09%
Dec 31, 2025	25	-76.19%	2,481,332	-72.81%	16	0.45%	10	-78.72%	14	-64.10%
Sep 30, 2025	34	-65.66%	1,221,408	-86.72%	8	0.22%	17	-60.47%	9	-76.92%
Jun 30, 2025	99	-5.71%	9,194,668	-1.15%	60	1.60%	43	-17.31%	39	2.63%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
CC&L Global Alpha - Series A	696.19K	4.52%	-
Avantis US Small Cap Value ETF	567.10K	3.68%	696.00
Delaware Small Cap Core I	504.25K	3.34%	-77.19K
Global Alpha Global Small Cap	317.36K	2.06%	-
Vanguard US Total Market Shares ETF	315.24K	2.04%	-
Vanguard Morn Total Stk Mkt Idx Investor	292.01K	1.90%	-16.00K
Vanguard Total Stock Mkt Idx Inv	292.01K	1.90%	-16.00K
Vanguard MStar Total Stk Mkt Idx Invest	292.01K	1.90%	-
iShares Russell 2000 ETF	263.54K	1.71%	-3.01K
DFA US Small Cap Value I	123.07K	0.80%	9.54K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 21, 2026	PRIOR CORNELIUS B JR	-	Sell	$168.09K
Aug 07, 2026	PRIOR CORNELIUS B JR	-	Sell	$139.63K
Sep 03, 2026	PRIOR CORNELIUS B JR	-	Sell	$140.88K
Sep 02, 2026	PRIOR CORNELIUS B JR	-	Sell	$80.35K
Aug 31, 2026	Jacobs Patricia	-	Sell	$45.06K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	29
2026 Q2	-	22
2026 Q1	-	-
2025 Q4	-	-
2025 Q2	-	-

ATNI Ownership FAQ

Who Owns ATN?

ATN shareholders are primarily institutional investors at 62.80%, followed by 35.28% insiders and 1.92% retail investors. The average institutional ownership in ATN's industry, Telecom Stocks , is 43.93%, which ATN exceeds.

Who owns the most shares of ATN?

ATN’s largest shareholders are Global alpha capital management (1.44M shares, 9.45%), Blackrock funding, inc. /de (923.26K shares, 6.04%), and Blackrock (870K shares, 5.64%). Together, they hold 21.13% of ATN’s total shares outstanding.

Does Blackrock own ATN?

Yes, BlackRock owns 5.64% of ATN, totaling 870K shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 19.84M$. In the last quarter, BlackRock decreased its holdings by -889K shares, a -50.54% change.

Who is ATN’s biggest shareholder by percentage of total assets invested?

Global alpha capital management is ATN’s biggest shareholder by percentage of total assets invested, with 2.29% of its assets in 1.44M ATN shares, valued at 38.26M$.

Who is the top mutual fund holder of ATN shares?

CC&L Global Alpha - Series A is the top mutual fund holder of ATN shares, with 4.52% of its total shares outstanding invested in 696.19K ATN shares.

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