Optiver Holding
ATNI icon

Optiver Holding’s ATN International ATNI Stock Holding History

Optiver Holding’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 		$2.72K Sell
100
-64
-39% -$1.63K ﹤0.01% 1714
2025
Q4 		$3.74K Hold
164
– – ﹤0.01% 1583
2025
Q3 		$2.46K Buy
+164
New +$2.71K ﹤0.01% 2301

Other funds holding ATNI

GACM
Global Alpha Capital Management Montreal, Quebec, Canada $1.66B AUM 27.98% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
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
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Optiver Holding's ATNI Position: Q1 2026 in Review

Optiver Holding reduced its ATN International (ATNI) stake by 39% in Q1 2026, selling an estimated $1.63K and leaving 100 shares worth $2.72K. The position accounts for ﹤0.01% of the portfolio, ranked #1714.

Optiver Holding first reported a position in ATNI in Q3 2025 and has held it in 3 quarters since. The position peaked at $3.74K in Q4 2025. 124 funds tracked by Wall St. Rank hold ATNI as of Q1 2026.

  • Optiver Holding held 100 shares of ATN International worth $2.72K as of Q1 2026.
  • Optiver Holding sold 64 ATN International shares in Q1 2026, an estimated $1.63K.
  • ATN International made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1714 holding.
  • Optiver Holding first reported a position in ATN International in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's ATN International position peaked at $3.74K in Q4 2025.
  • 124 funds tracked by Wall St. Rank held ATN International as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.