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NYSE · TECHNOLOGY · Holders

Celestica Inc. (CLS) Institutional Ownership & Insider Trading History

Top CLS institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Section freshness

Price Jun 15, 10:37 AM EDT · Statements Mar 30, 8:00 PM EDT

Source timingDetails

Data freshness

Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.

Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

PriceLive
Last traded
Source: Market data provider
Fundamentalsevery 1 day
Provider checked
Source: Market data provider
Analystevery 1 day
Provider checked
Source: Market data provider
Newsevery 4 hr
Latest item
Source: Market data provider

Ownership read

CLS insider sentiment: Net selling.

FMR LLC is the largest loaded institutional holder. 64 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Insider flow

CLS

Purchases
Sales2.21M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

7.56M

FMR LLC

Insider stance

Net selling

$234.7M sold / — bought

Latest filing

May 20, 2026

Most recent holder or insider filing date

Rows loaded

240

120 holder / 120 insider

Holder rows
120
Market data source
Latest filing
May 20, 2026
Most recent holder or insider filing date
Increased / initiated
78
42 decreased in loaded rows
Insider rows
120
Market data source

Top 120 institutional holders

Celestica Inc. (CLS) institutional ownership

Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.

FMR LLC

Rank #1

6.61%

Shares
7.56M
Change
+149.03K
Change %
+2.01%
Filing
Mar 31, 2026

Increased

VANGUARD GROUP INC

Rank #2

4.21%

Shares
4.81M
Change
+73.02K
Change %
+1.54%
Filing
Dec 31, 2025

Increased

JPMORGAN CHASE & CO

Rank #3

3.89%

Shares
4.45M
Change
+433.17K
Change %
+10.78%
Filing
Mar 31, 2026

Increased

VANGUARD CAPITAL MANAGEMENT LLC

Rank #4

2.76%

Shares
3.16M
Change
+3.16M
Change %
Filing
Mar 31, 2026

Initiated

FRANKLIN RESOURCES INC

Rank #5

2.31%

Shares
2.64M
Change
+365.51K
Change %
+16.04%
Filing
Mar 31, 2026

Increased

JANE STREET GROUP

Rank #6

2.22%

Shares
2.53M
Change
+1.44M
Change %
+1.31%
Filing
Mar 31, 2026

Increased

ARROWSTREET CAPITAL

Rank #7

1.92%

Shares
2.19M
Change
-961.87K
Change %
-30.51%
Filing
Mar 31, 2026

Decreased

CIBC WORLD MARKET INC.

Rank #8

1.84%

Shares
2.10M
Change
-163.10K
Change %
-7.20%
Filing
Mar 31, 2026

Decreased

CONNOR

Rank #9

1.46%

Shares
1.67M
Change
+41.96K
Change %
+2.58%
Filing
Mar 31, 2026

Increased

VIKING GLOBAL INVESTORS LP

Rank #10

1.45%

Shares
1.65M
Change
-44.25K
Change %
-2.60%
Filing
Mar 31, 2026

Decreased

NORGES BANK

Rank #11

1.35%

Shares
1.54M
Change
+32.76K
Change %
+2.17%
Filing
Dec 31, 2025

Increased

WHALE ROCK CAPITAL MANAGEMENT LLC

Rank #12

1.33%

Shares
1.52M
Change
-364.19K
Change %
-19.35%
Filing
Mar 31, 2026

Decreased

VALUE ALIGNED RESEARCH ADVISORS

Rank #13

1.30%

Shares
1.49M
Change
+341.67K
Change %
+29.71%
Filing
Mar 31, 2026

Increased

BANK OF MONTREAL

Rank #14

1.23%

Shares
1.41M
Change
+83.36K
Change %
+6.31%
Filing
Mar 31, 2026

Increased

MORGAN STANLEY

Rank #15

1.19%

Shares
1.36M
Change
-134.35K
Change %
-9.02%
Filing
Mar 31, 2026

Decreased

VOYA INVESTMENT MANAGEMENT LLC

Rank #16

1.18%

Shares
1.35M
Change
-84.94K
Change %
-5.92%
Filing
Mar 31, 2026

Decreased

PRICE T ROWE ASSOCIATES INC

Rank #17

1.14%

Shares
1.30M
Change
+612.55K
Change %
+89.12%
Filing
Mar 31, 2026

Increased

ROYAL BANK OF CANADA

Rank #18

1.12%

Shares
1.28M
Change
+156.04K
Change %
+13.84%
Filing
Mar 31, 2026

Increased

BLACKROCK

Rank #19

1.09%

Shares
1.24M
Change
-848.88K
Change %
-40.60%
Filing
Mar 31, 2026

Decreased

GEODE CAPITAL MANAGEMENT

Rank #20

1.08%

Shares
1.24M
Change
+106.47K
Change %
+9.41%
Filing
Mar 31, 2026

Increased

Showing 20 of 120 matching institutional rows.Load more institutions

Recent insider transactions

Celestica Inc. (CLS) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

REEDER, DAVID

Director

Award / grant
Shares
567
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

MALETIRA, AMAR

Director

Award / grant
Shares
639
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

KALE, JILL

Director

Award / grant
Shares
810
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

KOELLNER, LAURETTE T

Director

Award / grant
Shares
810
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

COLPRON, FRANCOISE

Director

Award / grant
Shares
869
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

COLPITTS, CHRISTOPHER W.

Director

Award / grant
Shares
810
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

CASCELLA, ROBERT

Director

Award / grant
Shares
619
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

AHUJA, KULVINDER

Director

Award / grant
Shares
567
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 20, 2026

WILSON, MICHAEL MAX

Director

Sale to issuer
Shares
2.15K
% company
<0.01%
Price
Not reported
Value
Not reported

Filed May 19, 2026

WILSON, MICHAEL MAX

Director

Sale to issuer
Shares
4.17K
% company
<0.01%
Price
$333.31
Value
$1,389,236

Filed May 19, 2026

WILSON, MICHAEL MAX

Director

Award / grant
Shares
8.68K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 19, 2026

MALETIRA, AMAR

Director

Award / grant
Shares
121
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 19, 2026

Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest CLS shareholders?

FMR LLC is the largest institutional holder in the loaded CLS ownership dataset, with 7.56 million shares, or about 6.61% of shares outstanding. The table ranks additional institutions by reported share count.

What is institutional ownership of CLS?

The current TECHi snapshot has 120 loaded institutional rows for Celestica Inc.. 78 rows are marked increased or initiated, while 42 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.

Where can I see Celestica Inc. insider transactions?

The insider transaction table currently shows 120 loaded Form 4 rows for CLS, with the latest insider filing dated May 20, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.

Are CLS insiders buying or selling?

The loaded CLS Form 4 rows currently read Net selling: 64 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.

Who is the most active CLS insider in the loaded filings?

MIONIS, ROBERT is the most active insider by absolute share movement in the loaded CLS rows, with 2.00 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.