Stock ownership · SEC 13F · Q4 2025
HANCOCK JOHN TAX-ADVANTAGED
Institutional ownership of HANCOCK JOHN TAX-ADVANTAGED (CUSIP 41013V100) - who holds it, how concentrated it is, and what moved last quarter.
- $755K
- Reported value
- 1
- Institutions
- 100%
- Top-5 share
The verdict
1 institutions report $755K of HANCOCK JOHN TAX-ADVANTAGED positions as of Q4 2025, with ownership heavily concentrated in a handful of holders.
- 1
- institutions hold it
- $755K
- reported 13F value
- 100%
- held by top 5
Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.
How 13F ownership is computed · All tracked stocks · Concentration rankings
SEC Form 13F-HR ownership desk
CUSIP 41013V100 · Q4 2025 $1M reported
VALUE-TRACE · HOLDERS-FOCUS · CONC-DOM · PHOTO-UNK · ACTIVITY-LIGHT · BOOK-MID
- VALUE-TRACE $0.8M
- HOLDERS-FOCUS 1 filers
- CONC-DOM 100% top-5
- PHOTO-UNK No peer
- ACTIVITY-LIGHT 1 new
- BOOK-MID 6Q history
Read with: Ownership concentration guide - HANCOCK JOHN TAX-ADVANTAGED's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.
Institutional ownership over time
The number of institutions reporting a HANCOCK JOHN TAX-ADVANTAGED position has held steady from 1 to 1 over the last 6 quarters of 13F filings.
Top Institutional Holders
| # | Institution | Shares | Value | Share of reported |
|---|---|---|---|---|
| 1 | Diesslin Group, Inc. | 31,893 | $755K | 100.0% |
Investment Discretion
SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among HANCOCK JOHN TAX-ADVANTAGED's reported holders for Q4 2025, by reported value:
Latest Quarter Activity · Q4 2025
New positions (1)
Complete exits (1)
Frequently Asked Questions
How many institutions hold HANCOCK JOHN TAX-ADVANTAGED?▼
What is the total institutional value of HANCOCK JOHN TAX-ADVANTAGED?▼
How concentrated is ownership of HANCOCK JOHN TAX-ADVANTAGED?▼
Who is the largest institutional holder of HANCOCK JOHN TAX-ADVANTAGED?▼
Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.
PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.