Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CLS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 7.6M | $2.13B | +2.0% | 6.576% | 0.11% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 3.2M | $890.4M | — | 2.746% | 0.02% |
| 3 | FRANKLIN RESOURCES INC | 2.6M | $744.7M | +16.0% | 2.300% | 0.18% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.5M | $716.7M | -17.9% | 2.213% | 0.08% |
| 5 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.2M | $617.1M | -30.5% | 1.905% | 0.33% |
| 6 | CIBC World Markets Inc. | 2.1M | $601.5M | -5.9% | 1.855% | 0.98% |
| 7 | Connor, Clark & Lunn Investment Management Ltd. | 1.7M | $470.8M | +2.6% | 1.452% | 1.08% |
| 8 | VIKING GLOBAL INVESTORS LP | 1.7M | $466.2M | -2.6% | 1.440% | 1.30% |
| 9 | Whale Rock Capital Management LLC | 1.5M | $427.6M | -19.4% | 1.321% | 5.52% |
| 10 | Value Aligned Research Advisors, LLC | 1.5M | $423.9M | +29.4% | 1.309% | 2.08% |
| 11 | BANK OF MONTREAL /CAN/ | 1.4M | $403.6M | -11.8% | 1.244% | 0.15% |
| 12 | MORGAN STANLEY | 1.4M | $381.9M | -9.0% | 1.179% | 0.02% |
| 13 | VOYA INVESTMENT MANAGEMENT LLC | 1.3M | $380.1M | -5.9% | 1.174% | 0.40% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $363.2M | +9.4% | 1.077% | 0.02% |
| 15 | ROYAL BANK OF CANADA | 1.3M | $361.6M | +13.8% | 1.116% | 0.06% |
| 16 | BlackRock, Inc. | 1.2M | $349.8M | -40.6% | 1.080% | 0.01% |
| 17 | WELLINGTON MANAGEMENT GROUP LLP | 1.1M | $320.4M | -20.5% | 0.989% | 0.06% |
| 18 | BANK OF AMERICA CORP /DE/ | 1.1M | $314.6M | +10.8% | 0.971% | 0.02% |
| 19 | Polar Capital Holdings Plc | 1.1M | $300.0M | +5.3% | 0.926% | 1.07% |
| 20 | SRS Investment Management, LLC | 1.0M | $286.4M | +0.3% | 0.884% | 3.03% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 1.0M | $284.4M | — | 0.877% | 0.07% |
| 22 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 960K | $270.4M | +1.9% | 0.835% | 0.23% |
| 23 | Legal & General Group Plc | 917K | $257.9M | +2.4% | 0.798% | 0.06% |
| 24 | CITADEL ADVISORS LLC | 851K | $239.6M | -44.6% | 0.740% | 0.11% |
| 25 | DIMENSIONAL FUND ADVISORS LP | 775K | $218.2M | -28.2% | 0.674% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CLS — a direct measure of their conviction.
Filings activity in CLS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 749 | 3.1% | 42.86% | 9.56 pp | $19.37B | 18% |
| Q4 2025 | 773 | +14% | 52.42% | +9.53 pp | $23.69B | +22% |
| Q3 2025 | 681 | +19% | 42.89% | +15.38 pp | $19.38B | +56% |
| Q2 2025 | 573 | +23% | 27.51% | +13.65 pp | $12.43B | +98% |
| Q1 2025 | 466 | +11% | 13.86% | 1.97 pp | $6.27B | 12% |
| Q4 2024 | 420 | +26% | 15.83% | +7.28 pp | $7.16B | +85% |
| Q3 2024 | 333 | +8.5% | 8.55% | 0.91 pp | $3.86B | 9.6% |
| Q2 2024 | 307 | — | 9.46% | — | $4.28B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CLS stock.
Based on Q1 2026 13F filings, institutional ownership of Celestica Inc. stands at 42.9%, held across 749 reporting institutions.
FMR LLC is the largest reported institutional holder of CLS, with approximately 7,560,325 shares worth $2.13B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of CLS, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, VIKING GLOBAL INVESTORS LP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for CLS is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
135 institutions opened new positions in CLS during Q1 2026, while 159 fully exited. 199 added to existing positions and 412 trimmed.
CLS institutional ownership fell by 9.56 percentage points quarter-over-quarter, with a net change of -24 holders.
The top 10 institutions account for 38.7% of all reported 13F value in CLS, and the top 25 account for 63.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.