Wishbone Management, LP — 13F Holdings & Portfolio
CIK 1777734 · latest 13F-HR filed 2026-08-13
Wishbone Management, LP manages $231.7M in 13F-reported U.S. long-equity assets across 5 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are CPA (31.72%), AVT (25.11%), ROP (19.72%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions and exited 1; 3 existing positions rose in reported value and 0 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-13
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 100%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 31, 2026.
49TH FLOOR
CHICAGO, IL 60606
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| BENWITT, MICHAEL, G Control | GENERAL COUNSEL since Jun 2025 | Less than 5% | Individual |
| Dennis, Patrick, Lewis Control | CHIEF FINANCIAL OFFICER since Dec 2017 | Less than 5% | Individual |
| HARRIS, JOHN, BROOKS Control | MANAGING MEMBER since Feb 2007 | 50–75% | Individual |
| LEE-COTOIA, YAU DUN Control | CHIEF COMPLIANCE OFFICER since Mar 2022 | Less than 5% | Individual |
| Rusk, JENNIFER, E Control | CHIEF OPERATING OFFICER since Sep 2023 | Less than 5% | Individual |
| WISHBONE MANAGEMENT GP LLC Control | GENERAL PARTNER since Feb 2007 | Less than 5% | Domestic Entity |
| THE JOHN HARRIS 2004 DESCENDANTS TRUST | LIMITED PARTNER since Feb 2007 | 10–25% | Domestic Entity |
| HARRIS, JOHN, BROOKS Control Indirect owner via JOHN HARRIS 2004 DESCENDANTS TRUST | TRUSTEE since May 2004 | General partner, trustee or manager | Individual |
| HARRIS, JOHN, BROOKS Control Indirect owner via WISHBONE MANAGEMENT GP LLC | SHAREHOLDER since Feb 2007 | 50–75% | Individual |
| Harris, King, William Wishbone Control Indirect owner via THE JOHN HARRIS 2004 DESCENDANTS TRUST | TRUSTEE since May 2004 | General partner, trustee or manager | Individual |
| THE JOHN HARRIS 2004 DESCENDANTS TRUST Control Indirect owner via WISHBONE MANAGEMENT GP LLC | SHAREHOLDER since Feb 2007 | 25–50% | Domestic Entity |
Ownership & leadership changes · 3 filings with changes since Apr 19, 2016
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- AddedBENWITT, MICHAEL, G · GENERAL COUNSEL · Less than 5% · control person
- No longer listedGOODRICH, WENDY, DEARHOLT · CHIEF OPERATING OFFICER · Less than 5% · control person · listed since Dec 2017
- AddedRusk, JENNIFER, E · CHIEF OPERATING OFFICER · Less than 5% · control person
- No longer listedSLOYER, MICHAEL, NACHUM · CCO · Less than 5% · listed since Jan 2014
- AddedDennis, Patrick, Lewis · CHIEF FINANCIAL OFFICER · Less than 5% · control person
- AddedGOODRICH, WENDY, DEARHOLT · CHIEF OPERATING OFFICER · Less than 5% · control person
- AddedLEE-COTOIA, YAU DUN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ListedHARRIS, JOHN, BROOKS · MANAGING MEMBER · 50–75% · control person
- ListedHARRIS, JOHN, BROOKS · TRUSTEE · General partner, trustee or manager · indirect via JOHN HARRIS 2004 DESCENDANTS TRUST · control person
- ListedHARRIS, JOHN, BROOKS · SHAREHOLDER · 50–75% · indirect via WISHBONE MANAGEMENT GP LLC · control person
- ListedHarris, King, William Wishbone · TRUSTEE · General partner, trustee or manager · indirect via THE JOHN HARRIS 2004 DESCENDANTS TRUST · control person
- ListedSLOYER, MICHAEL, NACHUM · CCO · Less than 5%
- ListedTHE JOHN HARRIS 2004 DESCENDANTS TRUST · SHAREHOLDER · 25–50% · indirect via WISHBONE MANAGEMENT GP LLC · control person
- ListedTHE JOHN HARRIS 2004 DESCENDANTS TRUST · LIMITED PARTNER · 10–25%
- ListedWISHBONE MANAGEMENT GP LLC · GENERAL PARTNER · Less than 5% · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- COPA HOLDINGS SA$19.8M +36.9%
- AVNET INC$17.8M +44.1%
- ROPER TECHNOLOGIES INC$13.8M +43.4%
Wishbone Management, LP Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | COPA HOLDINGS SA | CPA | P31076105 | $73.5M | 31.72% | 472,500 | SH |
| 2 | AVNET INC | AVT | 053807103 | $58.2M | 25.11% | 655,000 | SH |
| 3 | ROPER TECHNOLOGIES INC | ROP | 776696106 | $45.7M | 19.72% | 135,000 | SH |
| 4 | CDW CORP | CDW | 12514G108 | $28.1M | 12.14% | 200,000 | SH |
| 5 | AMAZON COM INC | AMZN | 023135106 | $26.2M | 11.31% | 110,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $231.7M | 5 | 0000919574-26-005147 |
| 2026-03-31 | 2026-05-15 | $135.6M | 4 | 0000919574-26-003135 |
| 2025-12-31 | 2026-02-13 | $234.2M | 5 | 0000919574-26-000773 |
| 2025-09-30 | 2025-11-14 | $186.0M | 4 | 0000919574-25-006766 |
49TH FLOOR
CHICAGO, IL 60606