Working Capital Advisors (UK) Ltd. — 13F Holdings & Portfolio
CIK 1807878 · latest 13F-HR filed 2026-08-06
Working Capital Advisors (UK) Ltd. manages $57.9M in 13F-reported U.S. long-equity assets across 3 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SFIX (57.87%), YMM (36.36%), YMM (5.77%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions and exited 0; 1 existing position rose in reported value and 1 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 2026-08-06
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 26, 2026.
1 DUKE OF YORK SQUARE
LONDON SW3 4LY
United Kingdom
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| CHAN, KENNETH, HSIANG-TZE Control | PORTFOLIO MANAGER since Jan 2014 | Less than 5% | Individual |
| KWOK, WAI-KENG Control | CHIEF OPERATING OFFICER since Jan 2015 | Less than 5% | Individual |
| WORKING CAPITAL MANAGEMENT PTE. LTD. Control | PARENT COMPANY since Jan 2015 | 75% or more | Foreign Entity |
| CHAN, KENNETH, HSIANG-TZE Control Indirect owner via WORKING CAPITAL MANAGEMENT PTE. LTD. | PORTFOLIO MANAGER since Feb 2011 | 75% or more | Individual |
Ownership & leadership changes · 1 filing with changes since Nov 14, 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.
- ChangedWORKING CAPITAL MANAGEMENT PTE. LTD. · title INVESTMENT MANAGER → PARENT COMPANY
- ListedCHAN, KENNETH, HSIANG-TZE · PORTFOLIO MANAGER · Less than 5% · control person
- ListedCHAN, KENNETH, HSIANG-TZE · PORTFOLIO MANAGER · 75% or more · indirect via WORKING CAPITAL MANAGEMENT PTE. LTD. · control person
- ListedKWOK, WAI-KENG · CHIEF OPERATING OFFICER · Less than 5% · control person
- ListedWORKING CAPITAL MANAGEMENT PTE. LTD. · INVESTMENT MANAGER · 75% or more · 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.
Working Capital Advisors (UK) Ltd. 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).
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-06 | $57.9M | 3 | 0001807878-26-000004 |
| 2026-03-31 | 2026-05-14 | $59.1M | 2 | 0001807878-26-000002 |
| 2025-12-31 | 2026-02-13 | $75.0M | 2 | 0001807878-26-000001 |
| 2025-09-30 | 2025-11-10 | $83.6M | 3 | 0001807878-25-000010 |
BELGRAVIA
LONDON SW1X 9EX