Stock Ownership/ATS

ATS CORPORATION (ATS): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ATS · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
9
13F filers
Aggregate Value
$245.1M
Across holders
Last Price
$19.23
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity7 increased2 reduced4 exited
Full exits: BALYASNY ASSET MANAGEMENT LLC, MARSHALL WACE, LLP, SHAW D E & CO INC, Brevan Howard Capital Management LP
Institutional Holders of ATS
↗
9 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
EdgePoint Investment Group Inc.
CIK 0001481669
Hedge Fund7.00M$201.7M82.3%1.5%Reduced$-4.7MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund1.06M$30.5M12.5%0.0%Reduced$-887KQ2 2026
ArrowMark Colorado Holdings LLC
CIK 0001483859
Hedge Fund280K$8.1M3.3%0.3%Added+$3.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund82K$2.4M1.0%0.0%Added+$386KQ2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund30K$849K0.3%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund25K$713K0.3%0.0%Added—Q2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund22K$636K0.3%0.0%Added—Q2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund8K$242K0.1%0.0%Added+$21KQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund48$1K0.0%0.0%Added—Q2 2026
EdgePoint Investment Group Inc.Reduced
Hedge Fund
$201.7M· 82.3% of total· 1.5% port· 7.00M sh· $-4.7M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$30.5M· 12.5% of total· 0.0% port· 1.06M sh· $-887K QoQ· Q2 2026
ArrowMark Colorado Holdings LLCAdded
Hedge Fund
$8.1M· 3.3% of total· 0.3% port· 280K sh· +$3.1M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$2.4M· 1.0% of total· 0.0% port· 82K sh· +$386K QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$849K· 0.3% of total· 0.0% port· 30K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$713K· 0.3% of total· 0.0% port· 25K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$636K· 0.3% of total· 0.0% port· 22K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$242K· 0.1% of total· 0.0% port· 8K sh· +$21K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$1K· 0.0% of total· 0.0% port· 48 sh· — QoQ· Q2 2026
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