Ranked by reported Q2 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 | 8.4M | $3.08B | +11.7% | 7.346% | 0.13% |
| 2 | JANE STREET GROUP, LLC | 4.3M | $1.58B | -10.8% | 3.771% | 0.13% |
| 3 | JPMORGAN CHASE & CO | 3.9M | $1.33B | -13.0% | 3.370% | 0.07% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.2M | $1.16B | +1.0% | 2.772% | 0.02% |
| 5 | FRANKLIN RESOURCES INC | 2.8M | $1.01B | +5.1% | 2.416% | 0.22% |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.7M | $1.00B | +8.1% | 2.391% | 0.08% |
| 7 | CIBC WORLD MARKET INC. | 2.1M | $757.8M | -2.5% | 1.809% | 1.22% |
| 8 | D. E. Shaw & Co., Inc. | 2.0M | $742.0M | +75.4% | 1.769% | 0.35% |
| 9 | Connor, Clark & Lunn Investment Management Ltd. | 1.8M | $674.2M | +10.6% | 1.605% | 1.28% |
| 10 | Value Aligned Research Advisors, LLC | 1.7M | $634.9M | +15.6% | 1.513% | 1.58% |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.5M | $554.9M | -30.6% | 1.323% | 0.25% |
| 12 | BANK OF MONTREAL /CAN/ | 1.5M | $554.5M | +6.4% | 1.324% | 0.18% |
| 13 | NORGES BANK | 1.5M | $544.8M | — | 1.300% | 0.05% |
| 14 | Whale Rock Capital Management LLC | 1.5M | $538.6M | -2.8% | 1.284% | 4.32% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $531.1M | +12.6% | 1.212% | 0.03% |
| 16 | CITADEL ADVISORS LLC | 1.4M | $516.4M | +66.4% | 1.231% | 0.03% |
| 17 | MORGAN STANLEY | 1.4M | $508.3M | +2.8% | 1.212% | 0.03% |
| 18 | ROYAL BANK OF CANADA | 1.4M | $503.2M | +7.5% | 1.200% | 0.07% |
| 19 | VOYA INVESTMENT MANAGEMENT LLC | 1.3M | $472.0M | -4.1% | 1.125% | 0.41% |
| 20 | BANK OF AMERICA CORP /DE/ | 1.2M | $444.9M | +9.2% | 1.061% | 0.03% |
| 21 | Polar Capital Holdings Plc | 1.1M | $418.3M | +7.7% | 0.997% | 0.99% |
| 22 | MACKENZIE FINANCIAL CORP | 759K | $392.6M | +40.9% | 0.660% | 0.39% |
| 23 | GOLDMAN SACHS GROUP INC | 1.1M | $385.1M | +65.8% | 0.918% | 0.03% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 1.0M | $369.8M | +0.6% | 0.882% | 0.08% |
| 25 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 966K | $351.7M | +0.7% | 0.840% | 0.14% |
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 Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new CLS position in Q2 2026
Institutions that fully closed their CLS position in Q2 2026
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 879 | +13% | 75.52% | +3.41 pp | $31.01B | +36% |
| Q1 2026 | 776 | 1.9% | 72.11% | 5.52 pp | $22.73B | 9.4% |
| Q4 2025 | 791 | +14% | 77.63% | +4.64 pp | $25.07B | +24% |
| Q3 2025 | 695 | +21% | 72.99% | +1.93 pp | $20.28B | +63% |
| Q2 2025 | 573 | +23% | 71.06% | +1.17 pp | $12.43B | +98% |
| Q1 2025 | 466 | +11% | 69.89% | 1.12 pp | $6.27B | 12% |
| Q4 2024 | 420 | +26% | 71.01% | +1.10 pp | $7.16B | +85% |
| Q3 2024 | 333 | — | 69.91% | — | $3.86B | — |
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 Q2 2026 13F filings, institutional ownership of Celestica Inc. stands at 75.5%, held across 879 reporting institutions.
FMR LLC is the largest reported institutional holder of CLS, with approximately 8,446,912 shares worth $3.08B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of CLS, including JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for CLS is 85 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
164 institutions opened new positions in CLS during Q2 2026, while 66 fully exited. 567 added to existing positions and 118 trimmed.
CLS institutional ownership rose by 3.41 percentage points quarter-over-quarter, with a net change of +103 holders.
The top 10 institutions account for 38.6% of all reported 13F value in CLS, and the top 25 account for 61.5%.
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.