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ATN International (ATNI) Institutional Ownership

ATN International logo
$28.41 +0.93 (+3.38%)
Closing price 05/27/2026 04:00 PM Eastern
Extended Trading
$28.38 -0.03 (-0.11%)
As of 05/27/2026 05:41 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for ATN International (NASDAQ:ATNI)

Current
Institutional Ownership
Percentage
65.50%
Number of
Institutional Buyers
(last 12 months)
9
Total
Institutional Inflows
(last 12 months)
$3.62M
Number of
Institutional Sellers
(last 12 months)
9
Total
Institutional Outflows
(last 12 months)
$3.37M
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ATNI Institutional Buying and Selling by Quarter

ATN International Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/22/2026 Segall Bryant & Hamill LLC29,341$799K0.0%+49.3%0.191%
5/14/2026 Gabelli Funds LLC116,373$3.17M0.0%-26.1%0.757%
5/14/2026 Gamco Investors INC. ET AL42,613$1.16M0.0%-17.1%0.277%
5/5/2026 Bank of New York Mellon Corp122,634$3.34M0.0%+0.9%0.798%
5/5/2026 Hillsdale Investment Management Inc.19,000$517K0.0%-9.5%0.124%
2/17/2026 Public Employees Retirement System of Ohio8,932$204K0.0%-16.9%0.059%
2/13/2026 Segall Bryant & Hamill LLC19,657$448K0.0%N/A0.129%
2/10/2026 Hillsdale Investment Management Inc.21,000$479K0.0%N/A0.138%
2/9/2026 Geode Capital Management LLC247,414$5.64M0.0%-3.1%1.621%
2/5/2026 Gamco Investors INC. ET AL51,430$1.17M0.0%-33.2%0.337%
2/5/2026 Gabelli Funds LLC157,525$3.59M0.0%-16.5%1.032%
11/17/2025 Public Employees Retirement System of Ohio10,749$161K0.0%-24.3%0.070%
11/17/2025 Ameriprise Financial Inc.28,179$422K0.0%-21.5%0.185%
11/14/2025 Brown Brothers Harriman & Co.662,544$9.92M0.1%+5.6%4.343%
11/13/2025 BNP Paribas Financial Markets3,081$46K0.0%-53.3%0.020%
11/12/2025 Gabelli Funds LLC188,700$2.83M0.0%-2.4%1.237%
11/12/2025 Gamco Investors INC. ET AL76,936$1.15M0.0%+9.6%0.504%
8/15/2025 BNP Paribas Financial Markets6,594$107K0.0%-51.2%0.043%
8/15/2025 Ameriprise Financial Inc.35,886$583K0.0%+7.2%0.235%
8/13/2025 Gabelli Funds LLC193,407$3.14M0.0%+54.7%1.267%
8/13/2025 Gamco Investors INC. ET AL70,221$1.14M0.0%+17.1%0.460%
8/13/2025 Marshall Wace LLP47,804$777K0.0%+137.9%0.314%
8/13/2025 Russell Investments Group Ltd.2,568$42K0.0%-39.3%0.017%
8/12/2025 Rhumbline Advisers16,071$261K0.0%-5.6%0.106%
5/28/2025Strs Ohio6,800$138K0.0%N/A0.045%
5/14/2025Gamco Investors INC. ET AL59,968$1.22M0.0%-8.1%0.394%
5/14/2025Gabelli Funds LLC125,000$2.54M0.0%-11.2%0.821%
5/14/2025Keeley Teton Advisors LLC31,954$649K0.1%+36.4%0.210%
5/13/2025Russell Investments Group Ltd.4,229$86K0.0%+357.2%0.028%
5/2/2025Segall Bryant & Hamill LLC31,121$632K0.0%N/A0.201%
4/29/2025Bank of New York Mellon Corp120,241$2.44M0.0%-3.7%0.777%
4/7/2025GAMMA Investing LLC23,661$481K0.0%+1,865.2%0.153%
4/3/2025Versant Capital Management Inc1,551$32K0.0%+4,208.3%0.010%
2/17/2025BNP Paribas Financial Markets13,044$219K0.0%-81.7%0.086%
2/17/2025Ameriprise Financial Inc.33,474$563K0.0%-6.6%0.222%
2/14/2025Tudor Investment Corp ET AL42,360$712K0.0%+51.2%0.280%
2/13/2025Gamco Investors INC. ET AL65,250$1.10M0.0%+389.0%0.432%
2/13/2025Keeley Teton Advisors LLC23,429$394K0.0%-13.7%0.155%
2/13/2025Gabelli Funds LLC140,828$2.37M0.0%N/A0.932%
2/11/2025Quantbot Technologies LP3,685$62K0.0%N/A0.024%
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2/4/2025Bank of New York Mellon Corp124,865$2.10M0.0%+26.0%0.826%
11/16/2024Geode Capital Management LLC247,499$8.01M0.0%-0.2%1.638%
11/15/2024Public Employees Retirement System of Ohio14,652$474K0.0%+43.7%0.097%
11/13/2024BNP Paribas Financial Markets71,307$2.31M0.0%+758.3%0.472%
11/13/2024Brown Brothers Harriman & Co.627,150$20.28M0.1%+3.5%4.151%
11/8/2024Segall Bryant & Hamill LLC55,323$1.79M0.0%N/A0.366%
10/7/2024GAMMA Investing LLC5,692$184K0.0%+70.4%0.037%
10/3/2024SG Americas Securities LLC3,489$113K0.0%N/A0.023%
8/14/2024Marshall Wace LLP38,552$879K0.0%+24.9%0.252%
8/14/2024Gabelli Funds LLC9,052$206K0.0%N/A0.059%
8/13/2024Summit Trail Advisors LLC26,195$604K0.0%+26.6%0.171%
8/9/2024Brown Brothers Harriman & Co.605,803$13.81M0.1%+1.7%3.955%
8/1/2024Rhumbline Advisers17,840$407K0.0%-48.8%0.116%
7/29/2024Innealta Capital LLC1,158$26K0.0%N/A0.008%
7/26/2024Bank of New York Mellon Corp111,475$2.54M0.0%-32.8%0.728%
7/2/2024GAMMA Investing LLC3,340$76K0.0%+72.2%0.022%
5/16/2024California State Teachers Retirement System10,784$340K0.0%-6.3%0.070%
5/1/2024BNP Paribas Financial Markets5,708$180K0.0%+52.6%0.037%
4/5/2024GAMMA Investing LLC1,940$61K0.0%+64.3%0.013%
2/16/2024Public Employees Retirement System of Ohio1,951$76K0.0%+498.5%0.013%
2/13/2024Keeley Teton Advisors LLC19,266$751K0.1%+27.6%0.125%
2/12/2024Brown Brothers Harriman & Co.595,703$23.22M0.2%+1.7%3.863%
2/6/2024Amalgamated Bank4,053$158K0.0%-6.7%0.026%
2/1/2024GAMMA Investing LLC1,181$44K0.0%N/A0.008%
1/24/2024New York State Teachers Retirement System13,683$533K0.0%-2.1%0.089%
11/8/2023Keeley Teton Advisors LLC15,103$477K0.1%+14.4%0.097%
10/24/2023Bank of New York Mellon Corp188,995$5.97M0.0%+1.4%1.212%
10/23/2023Copeland Capital Management LLC856$27K0.0%N/A0.005%
8/3/2023Bank of New York Mellon Corp186,415$6.82M0.0%-1.9%1.184%
7/27/2023New York State Teachers Retirement System14,183$519K0.0%-3.4%0.090%
5/10/2023Keeley Teton Advisors LLC13,200$540K0.1%+10.9%0.084%
5/9/2023Bank of New York Mellon Corp189,941$7.77M0.0%-4.1%1.203%
5/2/2023Amalgamated Bank4,514$185K0.0%-7.3%0.029%
2/10/2023Keeley Teton Advisors LLC11,900$539K0.1%+91.9%0.076%
2/2/2023SG Americas Securities LLC3,196$145K0.0%+22.4%0.020%
1/27/2023New York State Teachers Retirement System14,883$674K0.0%+2.1%0.094%
11/14/2022Tudor Investment Corp Et Al12,449$480K0.0%+84.1%0.079%
11/8/2022Mutual of America Capital Management LLC2,130$82K0.0%+16.7%0.014%
11/7/2022Nisa Investment Advisors LLC791$31K0.0%+274.9%0.005%
10/31/2022SG Americas Securities LLC2,611$101K0.0%-64.0%0.017%
10/28/2022New York State Teachers Retirement System14,583$562K0.0%+2.8%0.093%
10/27/2022Strs Ohio5,400$208K0.0%+184.2%0.034%
10/26/2022Martin & Co. Inc. TN23,921$923K0.3%+3.1%0.152%
8/10/2022Mutual of America Capital Management LLC1,825$86K0.0%+16.0%0.012%
8/9/2022Summit Trail Advisors LLC7,628$359K0.0%N/A0.048%
8/1/2022US Bancorp DE740$35K0.0%+127.0%0.005%
7/29/2022SG Americas Securities LLC7,252$340K0.0%-24.1%0.046%
7/27/2022Portland Global Advisors LLC11,549$542K0.1%+36.1%0.073%
7/25/2022Oregon Public Employees Retirement Fund3,556$167K0.0%-12.3%0.023%
6/30/2022Amalgamated Bank4,891$195K0.0%-5.6%0.031%
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5/11/2022State of Tennessee Treasury Department4,164$166K0.0%+17.9%0.027%
5/4/2022Martin & Co. Inc. TN22,235$887K0.2%+5.6%0.142%
4/29/2022SG Americas Securities LLC9,560$381K0.0%-33.6%0.061%
2/9/2022BNP Paribas Arbitrage SA7,433$297K0.0%-36.8%0.047%


ATNI Institutional Ownership - Frequently Asked Questions

During the previous two years, 22 institutional investors and hedge funds held shares of ATN International. The most heavily invested institutionals were Brown Brothers Harriman & Co. ($9.92M), Geode Capital Management LLC ($5.64M), Bank of New York Mellon Corp ($3.34M), Gabelli Funds LLC ($3.17M), Gamco Investors INC. ET AL ($1.16M), Segall Bryant & Hamill LLC ($799K), and Marshall Wace LLP ($777K).Learn more on ATN International's institutional investors.

65.50% of ATN International's stock is owned by institutional investors. Learn more on ATNI's institutional investor holdings.

Of the 20 institutional investors that purchased ATN International's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Gabelli Funds LLC ($218.29K), Segall Bryant & Hamill LLC ($115.79K), Gamco Investors INC. ET AL ($68.88K), Brown Brothers Harriman & Co. ($66.74K), BNP Paribas Financial Markets ($63.00K), Marshall Wace LLP ($35.41K), and Bank of New York Mellon Corp ($26.86K).

Institutional investors have bought a total of 202,353 shares in the last 24 months. This purchase volume represents approximately $3.62M in transactions.

Of the 9 institutional investors that sold ATN International's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Gabelli Funds LLC ($77.03K), Gamco Investors INC. ET AL ($34.32K), BNP Paribas Financial Markets ($10.44K), Geode Capital Management LLC ($7.87K), Ameriprise Financial Inc. ($7.71K), Public Employees Retirement System of Ohio ($5.27K), and Hillsdale Investment Management Inc. ($2K).

Institutional investors have sold a total of 147,264 shares in the last 24 months. This volume of shares sold represents approximately $3.37M in transactions.


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This page (NASDAQ:ATNI) was last updated on 5/28/2026 by MarketBeat.com Staff.
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