ATO Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
WARE WILLIAM JAMES Director 2026-08-11 300 $50,278

How Institutional Funds Moved on ATO

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC increased this position by 150% ($30,811,296 -> $77,159,733). 2026-06-30
NORGES BANK NORGES BANK opened a new position worth $358,188,435. 2026-06-30
Point72 Asset Management, L.P. Point72 Asset Management, L.P. opened a new position worth $234,487,378. 2026-06-30
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ MASSACHUSETTS FINANCIAL SERVICES CO /MA/ increased this position by 1058% ($20,549,915 -> $237,956,896). 2026-06-30
PANAGORA ASSET MANAGEMENT INC PANAGORA ASSET MANAGEMENT INC increased this position by 3355% ($1,182,208 -> $40,840,221). 2026-06-30
GQG Partners LLC GQG Partners LLC increased this position by 24% ($163,887,510 -> $202,443,484). 2026-06-30
FMR LLC FMR LLC increased this position by 1377% ($4,743,380 -> $70,040,633). 2026-06-30
Balyasny Asset Management L.P. Balyasny Asset Management L.P. increased this position by 7175% ($456,074 -> $33,180,408). 2026-06-30

Which Funds Hold ATO

Largest reported positions as of 2026-06-30.

FundValueShares
VANGUARD CAPITAL MANAGEMENT LLC $1,875,185,307 10,885,153
VANGUARD PORTFOLIO MANAGEMENT LLC $1,612,470,457 9,360,135
WELLINGTON MANAGEMENT GROUP LLP $1,352,676,960 7,852,075
Capital International Investors $1,289,959,643 7,483,012
GEODE CAPITAL MANAGEMENT, LLC $676,205,419 3,942,904
BANK OF AMERICA CORP /DE/ $578,346,739 3,357,211
Qube Research & Technologies Ltd $368,060,368 2,136,532
NORGES BANK $358,188,435 2,079,227
Capital Research Global Investors $259,885,813 1,508,563
CITADEL ADVISORS LLC $251,407,220 1,459,379

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Renaissance Technologies LLC: 13F Portfolio Moves Tracked Quarterly

Summary of Renaissance Technologies LLC portfolio increases for the quarter ending 2026-06-30, highlighting positions like Intel, AutoZone, McKesson, and Five Below.

Quarter Ending 2026-06-30 During the quarter ending 2026-06-30, Renaissance Technologies LLC filed a 13F showing broad-based increases across a wide range of existing holdings, with no reductions listed among the disclosed moves. The most dramatic percentage changes came from smaller starting positions that were scaled up substantially, including Five Below Inc (FIVE), up 16855% to … Read more