19 institutions reported holding $17.4M of WILEY (JOHN) & SONS-CL B (WLYB) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($6.6M), MORGAN STANLEY ($3.0M), PFG Investments, LLC ($2.5M), Royal Bank of Canada ($1.3M), VANGUARD GROUP INC ($1.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $6.6M | 136,100 | Added |
| 2 | MORGAN STANLEY | $3.0M | 65,007 | Hold |
| 3 | PFG Investments, LLC | $2.5M | 53,551 | Added |
| 4 | Royal Bank of Canada | $1.3M | 27,950 | Hold |
| 5 | VANGUARD GROUP INC | $1.1M | 24,441 | Hold |
| 6 | Cannell & Spears LLC | $935,800 | 20,000 | Hold |
| 7 | CALDWELL SUTTER CAPITAL, INC. | $567,750 | 12,134 | Hold |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $485,505 | 10,370 | Trimmed |
| 9 | NEUBERGER BERMAN GROUP LLC | $474,170 | 10,134 | Trimmed |
| 10 | GABELLI FUNDS LLC | $210,555 | 4,500 | New |
| 11 | UBS Group AG | $138,358 | 2,957 | Added |
| 12 | GROUP ONE TRADING LLC | $14,553 | 300 | Added |
| 13 | Tower Research Capital LLC (TRC) | $4,679 | 100 | Added |
| 14 | Continuum Advisory, LLC | $4,492 | 96 | New |
| 15 | BlackRock, Inc. | $2,901 | 62 | Hold |
| 16 | SBI Securities Co., Ltd. | $94 | 2 | Hold |
| 17 | WELLS FARGO & COMPANY/MN | $36 | 1 | New |
| 18 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 19 | Advisory Services Network, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30