Stock Ownership/CLS

CELESTICA INC (CLS): Ownership & Insider Activity

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

Reported Holders
33
13F filers
Aggregate Value
$3.0B
Across holders
Last Price
$356.53
2026-10-08
Sector
Information Technology
GICS
Quarterly fund activity18 increased15 reduced6 exited
Full exits: D1 Capital Partners L.P., CAXTON ASSOCIATES LLP, VIKING GLOBAL INVESTORS LP, Brevan Howard Capital Management LP, Duquesne Family Office LLC, Rokos Capital Management LLP
Institutional Holders of CLS
↗
33 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.88M$684.3M23.1%0.3%Added+$655.0MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.52M$554.9M18.7%0.2%Reduced$-244.1MQ2 2026
Whale Rock Capital Management LLC
CIK 0001387322
Hedge Fund1.48M$538.6M18.1%4.3%Reduced$-15.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund677K$236.2M8.0%0.1%Added+$216.2MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund426K$155.3M5.2%0.0%Added+$33.8MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund393K$143.4M4.8%0.1%Added—Q2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund331K$120.6M4.1%0.5%Reduced$-71.1MQ2 2026
MAPLELANE CAPITAL, LLC
CIK 0001512173
Hedge Fund321K$117.1M3.9%2.1%Added+$116.9MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund222K$80.9M2.7%0.1%Reduced$-8.4MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund155K$56.5M1.9%0.1%Reduced+$28.8MQ2 2026
SHAW D E & CO INCAdded
Hedge Fund
$684.3M· 23.1% of total· 0.3% port· 1.88M sh· +$655.0M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$554.9M· 18.7% of total· 0.2% port· 1.52M sh· $-244.1M QoQ· Q2 2026
Whale Rock Capital Management LLCReduced
Hedge Fund
$538.6M· 18.1% of total· 4.3% port· 1.48M sh· $-15.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$236.2M· 8.0% of total· 0.1% port· 677K sh· +$216.2M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$155.3M· 5.2% of total· 0.0% port· 426K sh· +$33.8M QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$143.4M· 4.8% of total· 0.1% port· 393K sh· — QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$120.6M· 4.1% of total· 0.5% port· 331K sh· $-71.1M QoQ· Q2 2026
MAPLELANE CAPITAL, LLCAdded
Hedge Fund
$117.1M· 3.9% of total· 2.1% port· 321K sh· +$116.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$80.9M· 2.7% of total· 0.1% port· 222K sh· $-8.4M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$56.5M· 1.9% of total· 0.1% port· 155K sh· +$28.8M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$53.7M· 1.8% of total· 0.0% port· 147K sh· +$36.6M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$49.4M· 1.7% of total· 0.0% port· 136K sh· +$45.2M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$29.1M· 1.0% of total· 0.1% port· 80K sh· $-18.0M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$25.8M· 0.9% of total· 0.1% port· 71K sh· $-53.4M QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$23.7M· 0.8% of total· 0.2% port· 65K sh· +$19.2M QoQ· Q2 2026
AXIOM INVESTORS LLC /DEAdded
Hedge Fund
$18.7M· 0.6% of total· 0.2% port· 51K sh· +$3.3M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$16.2M· 0.5% of total· 0.1% port· 44K sh· +$15.8M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$11.7M· 0.4% of total· 0.0% port· 32K sh· $-152.0M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$10.8M· 0.4% of total· 0.0% port· 30K sh· +$9.1M QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Added
Hedge Fund
$8.6M· 0.3% of total· 0.0% port· 24K sh· +$8.2M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$8.2M· 0.3% of total· 0.0% port· 23K sh· +$7.7M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$6.3M· 0.2% of total· 0.0% port· 17K sh· +$6.2M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$5.8M· 0.2% of total· 0.0% port· 16K sh· +$2.2M QoQ· Q2 2026
MAVERICK CAPITAL LTDAdded
Hedge Fund
$4.7M· 0.2% of total· 0.0% port· 13K sh· +$442K QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$2.5M· 0.1% of total· 0.0% port· 7K sh· $-177K QoQ· Q2 2026
Pinpoint Asset Management LtdAdded
Hedge Fund
$1.3M· 0.0% of total· 0.2% port· 16K sh· +$1.2M QoQ· Q1 2025
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$1.2M· 0.0% of total· 0.0% port· 3K sh· +$758K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$1.2M· 0.0% of total· 0.1% port· 3K sh· — QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$606K· 0.0% of total· 0.0% port· 2K sh· +$72K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$448K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Magnetar Financial LLCReduced
Hedge Fund
$346K· 0.0% of total· 0.0% port· 948 sh· $-951K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$280K· 0.0% of total· 0.0% port· 768 sh· $-887K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$107K· 0.0% of total· 0.0% port· 294 sh· $-9.0M QoQ· Q2 2026
1–10 of 33
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