ATN INTERNATIONAL INC (ATNI) Institutional Ownership Changes & 13F Activity

ATN INTERNATIONAL INC (ATNI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, Trexquant Investment Lp, Sei Investments Co, Aqr Capital Management Llc, and Two Sigma Investments, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
State Street CorpSell-5,618-2.5%221,909$5.94MQ2 2026Sep 22, 2026
Citadel Advisors LlcBuy+59,874+155.2%98,451$2.61MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemSell-397-73.9%140$3.71KQ2 2026Aug 24, 2026
Trexquant Investment LpSell-42,796-62.5%25,682$680.32KQ2 2026Aug 14, 2026
Sei Investments CoSell-41,018-47.8%44,729$1.18MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+33,135+300.0%44,179$1.17MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+23,616+42.6%79,096$2.10MQ2 2026Aug 14, 2026
Magnetar Financial LlcBuy+22,343—22,343$591.87KQ2 2026Aug 14, 2026
State Of Wisconsin Investment BoardBuy+16,823+82.3%37,270$987.28KQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+14,977+20.0%89,949$2.38MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+13,526—13,526$358.30KQ2 2026Aug 14, 2026
Jane Street Group, LlcSell-12,043-39.4%18,551$491.42KQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+10,480—10,480$277.62KQ2 2026Aug 14, 2026
Hsbc Holdings PlcSell-10,220-44.4%12,798$339.27KQ2 2026Aug 14, 2026
Canada Pension Plan Investment BoardBuy+8,300—8,300$219.87KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+8,228+42.5%27,567$730.25KQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+7,794—7,794$206.60KQ2 2026Aug 14, 2026
Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am MainBuy+6,041+99.3%12,122$321.11KQ2 2026Aug 14, 2026
Qube Research & Technologies LtdSell-5,056-26.8%13,844$366.73KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+4,738+124.0%8,559$226.73KQ2 2026Aug 14, 2026
Millennium Management LlcBuy+3,226+39.7%11,343$300.48KQ2 2026Aug 14, 2026
Bank Of America CorpSell-3,127-10.9%25,580$677.61KQ2 2026Aug 14, 2026
Engineers Gate Manager LpSell-3,060-11.9%22,722$601.91KQ2 2026Aug 14, 2026
Lazard Asset Management LlcBuy+2,768+9.0%33,397$884.69KQ2 2026Aug 14, 2026
Brevan Howard Capital Management LpBuy+2,146+25.7%10,504$278.25KQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncSell-1,611-5.0%30,422$805.88KQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+1,566+0.4%375,137$9.94MQ2 2026Aug 14, 2026
Barclays PlcSell-1,474-5.0%28,229$747.79KQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+1,134+8.4%14,557$386.00KQ2 2026Aug 14, 2026
Raymond James Financial IncSell-761-2.9%25,326$670.89KQ2 2026Aug 14, 2026
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Frequently asked questions about ATNI activity

  • Which institutional owners are buying ATNI?

    Institutional owners buying ATNI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ATNI activity?

    "Buy" means an investor increased their reported position in ATNI compared to the prior reporting period. This reflects growing exposure to ATN INTERNATIONAL INC (ATNI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATNI increasing?

    Institutional interest in ATNI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.