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Magnetar Financial’s ATN International ATNI Stock Holding History

Magnetar Financial’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 		$592K Buy
+22,343
New +$607K 0.01% 577

Other funds holding ATNI

GACM
Global Alpha Capital Management Montreal, Quebec, Canada $1.67B AUM 35.09% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
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
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Magnetar Financial's ATNI Position: Q2 2026 in Review

Magnetar Financial opened a new position in ATN International (ATNI) in Q2 2026: 22,343 shares worth $592K. The stake represents 0.01% of the portfolio and ranks #577 among its holdings.

134 funds tracked by Wall St. Rank hold ATNI as of Q2 2026.

  • Magnetar Financial held 22,343 shares of ATN International worth $592K as of Q2 2026.
  • ATN International was a new Magnetar Financial position in Q2 2026.
  • ATN International made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #577 holding.
  • 134 funds tracked by Wall St. Rank held ATN International as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.