Comparable stake leader
FMR LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001030894.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13D/G
13F
Company
|
6.4%
|
$2,190,411,163
7,409,798 shares
|
-$463,728,589 | 31 Dec 2025 |
| BlackRock, Inc. |
13D/G
13F
Company
|
5.5%
|
$1,868,229,227
6,319,910 shares
|
$0 | 31 Dec 2025 |
| Whale Rock Capital Management LLC |
13F
13D/G
Company
|
4%
from 13D/G
|
$427,646,858
1,518,201 shares
|
— | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
3.8%
|
$1,145,055,777
4,450,793 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
2.7%
|
$890,444,891
3,156,565 shares
|
— | 31 Mar 2026 |
| FRANKLIN RESOURCES INC |
13F
Company
|
2.3%
|
$744,703,155
2,643,723 shares
|
— | 31 Mar 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
2.2%
|
$713,499,665
2,533,015 shares
|
— | 31 Mar 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
1.9%
|
$617,084,309
2,190,413 shares
|
— | 31 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$227,730,737.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 337,225 | $0 | $128,112,503 | -$128,112,503 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 343,892 | $0 | $101,668,259 | -$101,668,259 |
| 9-12 | 6,000 | 0 | $2,050,025 | $0 | +$2,050,025 |
Reporting owners
Showing 1-20 of 21 reporting-owner rows connected to CELESTICA INC. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert Mionis | Chief Executive Officer, Director | $260,027,623 | -$113,653,205 | -30% | Mixed | 05 Aug 2026 |
| Todd C. Cooper | President | $28,225,751 | -$26,024,114 | -48% | Mixed | 06 Feb 2026 |
| Mandeep Chawla | Chief Financial Officer | $24,486,527 | -$13,070,062 | -35% | Filing P/S | 04 Aug 2026 |
| Michael Max Wilson | Director | $8,238,756 | -$1,389,236 | -14% | Filing P/S | 19 May 2026 |
| Leila Wong | Chief Human Resources Officer | $4,284,469 | -$9,617,637 | -69% | Mixed | 04 Feb 2026 |
| Jason Phillips | President | $3,887,449 | -$36,892,200 | -90% | Filing P/S | 04 Feb 2026 |
| Koellner Laurette T. | Director | $2,054,640 | +$2,050,025 | +44421% | Filing P/S | 19 May 2026 |
| Michael Wilson | Director | $1,750,605 | Mixed | 30 Jun 2025 | ||
| Alok K. Agrawal | Chief Strategy Officer | $1,235,278 | Filing P/S | 03 Feb 2025 | ||
| Theodoros Tzevelekis | Chief Strategy Officer | $743,442 | Mixed | 05 Feb 2026 | ||
| Jill Kale | Director | $117,178 | Mixed | 30 Jun 2026 | ||
| Robert Cascella | Director | $63,659 | Mixed | 30 Jun 2026 | ||
| Douglas Michael Parker | Chief Legal Officer | $0 | -$1,052,271 | -100% | Mixed | 04 Feb 2026 |
| Yann L. Etienvre | Chief Operations Officer | $0 | -$28,082,037 | -100% | Mixed | 04 Feb 2026 |
| David Reeder | Director | Mixed | 19 May 2026 | |||
| Steven Gregg Dorwart | President | Mixed | 06 Jul 2026 | |||
| Luis A. Muller | Director | Mixed | 28 Jan 2026 | |||
| Kulvinder Ahuja | Director | Mixed | 19 May 2026 | |||
| Amar Maletira | Director | Mixed | 19 May 2026 | |||
| Christopher W. Colpitts | Director | Mixed | 19 May 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Robert Mionis | CLS | Common Shares | Sale | -52.1% | $18,811,133 | $368.41 | -51,061 | 46,892 | 05 Aug 2026 | By Mionis 2026 GRAT Number Two |
| Robert Mionis | CLS | Common Shares | Sale | -32.7% | $17,715,982 | $372.09 | -47,612 | 97,953 | 04 Aug 2026 | By Mionis 2026 GRAT Number Two |
| Robert Mionis | CLS | Common Shares | Sale | -100% | $18,612,109 | $366.08 | -50,841 | 0 | 04 Aug 2026 | By Mionis 2026 GRAT Number Three |
| Mandeep Chawla | CLS | Common Shares | Sale | -19.8% | $5,952,348 | $369.32 | -16,117 | 65,444 | 04 Aug 2026 | Direct |
| Robert Mionis | CLS | Common Shares | Sale | -15.8% | $3,506,918 | $367.49 | -9,543 | 50,841 | 31 Jul 2026 | By Mionis 2026 GRAT Number Three |
| Mandeep Chawla | CLS | Common Shares | Sale | -1.07% | $323,635 | $366.52 | -883 | 81,561 | 31 Jul 2026 | Direct |
| Robert Cascella | CLS | Common Shares | Tax liability | -2.16% | -5 | 226 | 30 Jun 2026 | Direct | ||
| Robert Cascella | CLS | Common Shares | Options Exercise | 57.1% | 84 | 231 | 30 Jun 2026 | Direct | ||
| Robert Cascella | CLS | Restricted Share Units | Options Exercise | -33.2% | -84 | 169 | 30 Jun 2026 | Direct | ||
| Jill Kale | CLS | Common Shares | Tax liability | -2.12% | -9 | 416 | 30 Jun 2026 | Direct | ||
| Jill Kale | CLS | Common Shares | Options Exercise | 57.4% | 155 | 425 | 30 Jun 2026 | Direct | ||
| Jill Kale | CLS | Restricted Share Units | Options Exercise | -33.3% | -155 | 311 | 30 Jun 2026 | Direct | ||
| Robert Mionis | CLS | Common Shares | Sale | -23.1% | $7,000,835 | $385.17 | -18,176 | 60,384 | 17 Jun 2026 | By Mionis 2026 GRAT Number Three |
| Robert Mionis | CLS | Common Shares | Sale | -41.5% | $21,580,050 | $386.96 | -55,768 | 78,560 | 16 Jun 2026 | By Mionis 2026 GRAT Number Three |
| Robert Mionis | CLS | Common Shares | Sale | -33% | $26,426,178 | $400.06 | -66,056 | 134,328 | 15 Jun 2026 | By Mionis 2026 GRAT Number Three |
| Mandeep Chawla | CLS | Common Shares | Sale | -17.1% | $6,794,078 | $399.65 | -17,000 | 82,444 | 15 Jun 2026 | Direct |
| Kulvinder Ahuja | CLS | Director Restricted Share Units | Award | 567 | 567 | 20 May 2026 | Direct | |||
| Robert Cascella | CLS | Director Restricted Share Units | Award | 619 | 619 | 20 May 2026 | Direct | |||
| Francoise Colpron | CLS | Director Restricted Share Units | Award | 869 | 869 | 20 May 2026 | Direct | |||
| Jill Kale | CLS | Director Restricted Share Units | Award | 810 | 810 | 20 May 2026 | Direct | |||
| David Reeder | CLS | Director Restricted Share Units | Award | 567 | 567 | 20 May 2026 | Direct | |||
| Christopher W. Colpitts | CLS | Director Restricted Share Units | Award | 810 | 810 | 20 May 2026 | Direct | |||
| Amar Maletira | CLS | Director Restricted Share Units | Award | 639 | 639 | 20 May 2026 | Direct | |||
| Koellner Laurette T. | CLS | Director Restricted Share Units | Award | 810 | 810 | 20 May 2026 | Direct | |||
| Kulvinder Ahuja | CLS | Director Share Units | Award | 8.53% | 54 | 687 | 19 May 2026 | Direct | ||
| Robert Cascella | CLS | Restricted Share Units | Award | 58 | 58 | 19 May 2026 | Direct | |||
| Francoise Colpron | CLS | Restricted Share Units | Award | 115 | 115 | 19 May 2026 | Direct | |||
| Jill Kale | CLS | Restricted Share Units | Award | 108 | 108 | 19 May 2026 | Direct | |||
| David Reeder | CLS | Director Share Units | Award | 31 | 31 | 19 May 2026 | Direct | |||
| Christopher W. Colpitts | CLS | Director Share Units | Award | 15% | 108 | 828 | 19 May 2026 | Direct | ||
| Amar Maletira | CLS | Director Share Units | Award | 9.37% | 121 | 1,413 | 19 May 2026 | Direct | ||
| Koellner Laurette T. | CLS | Director Share Units | Award | 24.2% | 108 | 554 | 19 May 2026 | Direct | ||
| Michael Max Wilson | CLS | Common Shares | Sale | -14.4% | $1,389,236 | $333.31 | -4,168 | 24,718 | 19 May 2026 | Direct |
| Michael Max Wilson | CLS | Common Shares | Options Exercise | 42.9% | 8,676 | 28,886 | 19 May 2026 | Direct | ||
| Michael Max Wilson | CLS | Director Share Units | Award | 8.59% | 157 | 1,984 | 19 May 2026 | Direct | ||
| Michael Max Wilson | CLS | Restricted Share Units | Options Exercise | -100% | -8,676 | 0 | 19 May 2026 | Direct | ||
| Christopher W. Colpitts | CLS | Director Share Units | Award | 62.2% | 276 | 720 | 31 Mar 2026 | Direct | ||
| Amar Maletira | CLS | Director Share Units | Award | 30.2% | 300 | 1,292 | 31 Mar 2026 | Direct | ||
| Koellner Laurette T. | CLS | Director Share Units | Award | 162.4% | 276 | 446 | 31 Mar 2026 | Direct | ||
| Jill Kale | CLS | Common Shares | Tax liability | -5.92% | -17 | 270 | 31 Mar 2026 | Direct | ||
| Jill Kale | CLS | Common Shares | Options Exercise | 287 | 287 | 31 Mar 2026 | Direct | |||
| Jill Kale | CLS | Restricted Share Units | Award | 276 | 276 | 31 Mar 2026 | Direct | |||
| Jill Kale | CLS | Restricted Share Units | Options Exercise | -33.3% | -287 | 574 | 31 Mar 2026 | Direct | ||
| Francoise Colpron | CLS | Restricted Share Units | Award | 296 | 296 | 31 Mar 2026 | Direct | |||
| Robert Cascella | CLS | Common Shares | Tax liability | -5.77% | -9 | 147 | 31 Mar 2026 | Direct | ||
| Robert Cascella | CLS | Common Shares | Options Exercise | 156 | 156 | 31 Mar 2026 | Direct | |||
| Robert Cascella | CLS | Restricted Share Units | Award | 150 | 150 | 31 Mar 2026 | Direct | |||
| Robert Cascella | CLS | Restricted Share Units | Options Exercise | -33.3% | -156 | 312 | 31 Mar 2026 | Direct | ||
| Kulvinder Ahuja | CLS | Director Share Units | Award | 27.9% | 138 | 633 | 31 Mar 2026 | Direct | ||
| Michael Max Wilson | CLS | Common Shares | Tax liability | -7.06% | -1,536 | 20,210 | 31 Mar 2026 | Direct |