Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
328 institutional managers reported holding SLGN for the quarter ended Mar 31, 2026. Together they hold about 80% of shares outstanding; the top 10 hold 51%. 58 opened new positions; 51 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 15.82M | 14.94% | $614.0M | unchanged | ≤2013 |
| Vanguard Group | 9.62M | 9.09% | $373.4M | added +10.7% | ≤2013 |
| BlackRock | 7.71M | 7.28% | $299.3M | added +3.1% | ≤2013 |
| Dimensional Fund Advisors | 4.89M | 4.62% | $190.0M | added +11.5% | ≤2013 |
| State Street | 3.70M | 3.50% | $143.7M | added +1.3% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 3.30M | 3.12% | $128.1M | trimmed -3% | 2015 Q1 |
| Bank OF America CORP /DE/ | 2.52M | 2.38% | $97.9M | trimmed -10.5% | ≤2013 |
| Invesco | 2.08M | 1.96% | $80.6M | added +2.4% | ≤2013 |
| Millennium Management | 1.95M | 1.85% | $75.9M | added +204.7% | 2016 Q4 |
| Morgan Stanley | 1.82M | 1.72% | $70.6M | trimmed -8.2% | ≤2013 |
| Geode Capital | 1.75M | 1.66% | $68.1M | unchanged | ≤2013 |
| Allspring Global Investments Holdings, LLC | 1.60M | 1.51% | $62.0M | trimmed -18.8% | 2021 Q4 |
| UBS | 1.56M | 1.47% | $60.5M | added +10.3% | ≤2013 |
| Janus Henderson | 1.33M | 1.26% | $51.8M | trimmed -13.1% | 2021 Q2 |
| Charles Schwab Investment Management | 1.12M | 1.05% | $43.3M | added +7% | ≤2013 |
| Victory Capital Management INC | 1.03M | 0.97% | $40.0M | trimmed -37.3% | 2019 Q3 |
| Boston Trust Walden CORP | 913.9k | 0.86% | $35.5M | trimmed -40.4% | 2014 Q2 |
| Orbis Allan Gray LTD | 900.2k | 0.85% | $34.9M | added +1.3% | 2025 Q4 |
| Northern Trust | 883.8k | 0.83% | $34.3M | added +4.2% | ≤2013 |
| Atlas FRM LLC (focused) | 870.0k | 0.82% | $33.8M | added +411.8% | 2025 Q4 |
| BNY Mellon | 860.7k | 0.81% | $33.4M | added +0.7% | ≤2013 |
| Frontier Capital Management CO LLC | 858.5k | 0.81% | $33.3M | trimmed -4.2% | 2021 Q4 |
| Nomura Asset Management International INC. | 832.2k | 0.79% | $32.3M | trimmed -1.6% | 2025 Q4 |
| Artisan Partners | 816.0k | 0.77% | $31.7M | trimmed -6.2% | 2025 Q4 |
| Royce & Associates | 758.5k | 0.72% | $29.4M | unchanged | 2020 Q2 |
| MFS Investment Management | 744.4k | 0.70% | $28.9M | trimmed -14.1% | 2020 Q1 |
| Point72 | 735.8k | 0.69% | $28.6M | added +900.2% | 2025 Q3 |
| ProShare Advisors LLC | 600.3k | 0.57% | $23.3M | trimmed -18.5% | 2019 Q1 |
| Fort Washington Investment Advisors INC /OH/ | 552.9k | 0.52% | $21.5M | added +12.9% | 2021 Q4 |
| Aristotle Capital Boston, LLC | 537.0k | 0.51% | $20.8M | trimmed -7.5% | 2014 Q4 |
| Goldman Sachs | 491.7k | 0.46% | $19.1M | added +291.3% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 428.6k | 0.41% | $16.6M | trimmed -56.9% | 2024 Q3 |
| Pacer Advisors, INC. | 368.1k | 0.35% | $14.3M | added +2809.7% | 2020 Q3 |
| First Trust Advisors LP | 330.8k | 0.31% | $12.8M | added +7.4% | 2017 Q2 |
| Arrowstreet Capital | 328.2k | 0.31% | $12.7M | added +96% | 2025 Q4 |
| Raymond James Financial INC | 310.9k | 0.29% | $12.1M | added +11.7% | 2017 Q3 |
| Arga Investment Management, LP | 307.8k | 0.29% | $11.9M | opened | 2026 Q1 |
| SEI Investments CO | 305.8k | 0.29% | $11.9M | added +8.3% | ≤2013 |
| William Blair Investment Management, LLC | 291.7k | 0.28% | $11.3M | trimmed -56.2% | 2023 Q4 |
| Two Sigma | 282.1k | 0.27% | $10.9M | trimmed -43.1% | 2021 Q4 |
| Leeward Investments, LLC - MA | 271.6k | 0.26% | $10.5M | trimmed -2.6% | 2022 Q1 |
| ExodusPoint | 267.8k | 0.25% | $10.4M | opened | 2025 Q1 |
| Rhumbline Advisers | 258.0k | 0.24% | $10.0M | added +4.7% | ≤2013 |
| Glenmede Trust CO NA | 236.3k | 0.22% | $9.2M | trimmed -8.5% | 2013 Q3 |
| Clearbridge Investments, LLC | 223.7k | 0.21% | $8.7M | trimmed -2.7% | 2024 Q3 |
| Citadel Advisors | 205.6k | 0.19% | $8.0M | trimmed -36.7% | ≤2013 |
| Wellington Management | 202.7k | 0.19% | $7.9M | trimmed -5.2% | ≤2013 |
| CalPERS | 201.8k | 0.19% | $7.8M | trimmed -1.9% | 2022 Q3 |
| Algert Global LLC | 200.1k | 0.19% | $7.8M | opened | 2026 Q1 |
| Principal Financial Group INC | 195.8k | 0.18% | $7.6M | added +3.8% | ≤2013 |
Largest 50 of 328 shown; the full ranked, searchable register is at boothcheck.com/holders/SLGN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.