Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
537 institutional managers reported holding WTFC for the quarter ended Mar 31, 2026. Together they hold about 94% of shares outstanding; the top 10 hold 46%. 69 opened new positions; 49 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 7.16M | 10.51% | $994.5M | added +6% | ≤2013 |
| BlackRock | 6.30M | 9.25% | $875.0M | added +2.1% | ≤2013 |
| FMR (Fidelity) | 5.29M | 7.76% | $734.6M | trimmed -1.8% | 2017 Q3 |
| Dimensional Fund Advisors | 2.70M | 3.97% | $375.5M | unchanged | ≤2013 |
| State Street | 2.59M | 3.80% | $359.4M | trimmed -3.3% | ≤2013 |
| First Trust Advisors LP | 1.83M | 2.69% | $254.3M | added +26.6% | ≤2013 |
| Earnest Partners LLC | 1.40M | 2.06% | $194.6M | trimmed -2.7% | 2024 Q4 |
| Invesco | 1.37M | 2.01% | $190.2M | added +20.2% | ≤2013 |
| Geode Capital | 1.32M | 1.94% | $183.3M | added +3.6% | ≤2013 |
| Principal Financial Group INC | 1.28M | 1.88% | $177.4M | unchanged | ≤2013 |
| Bank OF America CORP /DE/ | 1.02M | 1.50% | $141.5M | trimmed -3.1% | ≤2013 |
| Clearbridge Investments, LLC | 957.2k | 1.41% | $133.0M | added +9.4% | ≤2013 |
| Capital International Investors | 902.7k | 1.33% | $125.4M | trimmed -32.4% | 2023 Q1 |
| Jennison Associates LLC | 848.6k | 1.25% | $117.9M | trimmed -14.6% | ≤2013 |
| Wellington Management | 832.4k | 1.22% | $115.7M | unchanged | 2025 Q3 |
| Charles Schwab Investment Management | 807.5k | 1.19% | $112.2M | added +4.5% | ≤2013 |
| Northern Trust | 787.6k | 1.16% | $109.4M | added +2.5% | ≤2013 |
| SEI Investments CO | 745.3k | 1.09% | $103.6M | unchanged | ≤2013 |
| Millennium Management | 698.9k | 1.03% | $97.1M | trimmed -9.8% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 650.6k | 0.95% | $90.4M | unchanged | 2023 Q1 |
| Clark Capital Management Group, INC. | 626.1k | 0.92% | $87.0M | added +6.2% | 2021 Q2 |
| Artemis Investment Management LLP | 611.6k | 0.90% | $85.0M | added +44.2% | 2025 Q4 |
| Channing Capital Management, LLC | 610.7k | 0.90% | $84.9M | trimmed -6.2% | 2023 Q1 |
| AllianceBernstein | 606.0k | 0.89% | $84.2M | trimmed -17.1% | ≤2013 |
| BNY Mellon | 595.8k | 0.88% | $82.8M | added +13.2% | ≤2013 |
| Janus Henderson | 570.8k | 0.84% | $79.3M | trimmed -6.3% | 2021 Q3 |
| Fiera Capital CORP | 548.1k | 0.81% | $76.2M | added +2.5% | 2024 Q1 |
| Federated Hermes, INC. | 530.5k | 0.78% | $73.7M | added +12.9% | ≤2013 |
| Victory Capital Management INC | 525.9k | 0.77% | $73.1M | trimmed -12.4% | 2019 Q3 |
| Reinhart Partners, LLC. | 524.6k | 0.77% | $72.9M | unchanged | 2020 Q1 |
| Goldman Sachs | 510.7k | 0.75% | $71.0M | added +48.7% | ≤2013 |
| Morgan Stanley | 499.5k | 0.73% | $69.4M | added +3.8% | ≤2013 |
| Thrivent Financial for Lutherans | 493.1k | 0.72% | $68.5M | trimmed -2.4% | ≤2013 |
| Aberdeen Group plc | 476.3k | 0.70% | $66.2M | added +0.6% | 2021 Q3 |
| Frontier Capital Management CO LLC | 462.0k | 0.68% | $64.2M | trimmed -14.9% | 2019 Q4 |
| Westfield Capital Management CO LP | 455.2k | 0.67% | $63.3M | trimmed -18.7% | 2023 Q4 |
| Fisher Investments | 443.1k | 0.65% | $61.6M | trimmed -5.8% | 2013 Q3 |
| Capital Group (American Funds) | 431.8k | 0.63% | $60.0M | opened | 2026 Q1 |
| UBS | 425.9k | 0.63% | $59.2M | added +14.1% | ≤2013 |
| Envestnet Asset Management INC | 422.9k | 0.62% | $58.8M | added +9.4% | ≤2013 |
| Gw&k Investment Management, LLC | 399.0k | 0.59% | $55.4M | trimmed -3% | 2023 Q1 |
| FIL LTD | 358.1k | 0.53% | $49.8M | unchanged | 2023 Q3 |
| Junto Capital Management LP | 356.6k | 0.52% | $49.6M | added +40.7% | 2025 Q4 |
| NEW York State Common Retirement Fund | 332.4k | 0.49% | $46.2M | trimmed -0.9% | ≤2013 |
| Raymond James Financial INC | 319.8k | 0.47% | $44.4M | trimmed -1.8% | 2015 Q2 |
| BNP Paribas Financial Markets | 301.7k | 0.44% | $41.9M | trimmed -2.2% | ≤2013 |
| VAN Lanschot Kempen Investment Management N.v. | 294.7k | 0.43% | $40.9M | trimmed -10.8% | 2021 Q1 |
| Quantinno Capital Management LP | 282.4k | 0.41% | $39.2M | added +68.8% | 2021 Q4 |
| American Century Companies INC | 281.1k | 0.41% | $39.1M | trimmed -37.7% | 2020 Q1 |
| Boston Partners | 266.8k | 0.39% | $37.1M | added +6.3% | 2021 Q1 |
Largest 50 of 537 shown; the full ranked, searchable register is at boothcheck.com/holders/WTFC. 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.