Trinity Street Asset Management LLP — 13F Holdings & Portfolio
CIK 1592579 · latest 13F-HR filed 2026-10-16
Trinity Street Asset Management LLP manages $1.87B in 13F-reported U.S. long-equity assets across 24 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are TSM (20.89%), SW (13.90%), ICLR (13.54%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 2 new positions and exited 1; 5 existing positions rose in reported value and 11 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.
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AUM
$1.87B
Long-equity book
Holdings
24
Distinct positions
Period
2026-09-30
Filed 2026-10-16
Q/Q Activity
+2 / −1 / ↑5 / ↓11
vs 2026-06-30
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q3 26TSM20.9% · -8%SW13.9% · +12%ICLR13.5% · -3%RYAAY11.0% · +5%HDB7.8% · +0%INFY7.4% · -2%GOOGL2.5% · -2%MSFT2.4% · -2%CNH1.9% · +5%AMZN1.9% · -2%NUE1.8% · -2%IBKR1.6% · newCLH1.5% · -5%COHR1.4% · +12%AMD1.4% · -12%UBER1.4% · +16%EFX1.2% · +15%NOC1.1% · -2%QCOM1.1% · newDHI1.1% · -2%SARO1.1% · -2%CI1.0% · -2%KB1.0% · -2%CTSH0.0% · -95%
Box 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
Q2 26 → Q3 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 = 83.3%Cumulative share of the portfolio held in the largest N positions.
Firm Profile & Key People
As of the firm’s regulatory filing dated Jun 30, 2026.
Assets Under Management
$10.58B
Discretionary
$10.58B
Employees
30
Accounts
22
Address
25 GOLDEN SQUARE
LONDON W1F9LU
United Kingdom
LONDON W1F9LU
United Kingdom
Phone
+44 207 4959 110
Mailing Address
25 GOLDEN SQUARE, LONDON, W1F9LU, United Kingdom
This firm reports 1 disclosure item on its registration.
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| BELL, CHARLES, HENRY EDWARD Control | PARTNER since Dec 2007 | 10–25% | Individual |
| BRESLIN, SEAN, WILLIAM Control | CHIEF COMPLIANCE OFFICER since Nov 2023 | Less than 5% | Individual |
| BRUCE NELSON CAYMAN LTD Control | PARTNER since Feb 2003 | 5–10% | Foreign Entity |
| BRUCE, RICHARD, JEREMY Control | PARTNER since Feb 2003 | 10–25% | Individual |
| Dunphy, James, Patrick Control | CHIEF FINANCIAL OFFICER since May 2024 | Less than 5% | Individual |
| IM SQUARE HOLDING 11 LTD. Control | PARTNER since May 2024 | 25–50% | Foreign Entity |
| MAYOR, NICHOLAS, DENNIS ROBERT Control | PARTNER since Jun 2018 | Less than 5% | Individual |
| THOMPSON, CRAIG, ANTHONY Control | PARTNER since Feb 2012 | Less than 5% | Individual |
| BELL, CATHERINE, RACHEL | PARTNER since May 2024 | 5–10% | Individual |
| BRUCE, CLAIRE, THERESE | PARTNER since May 2024 | 5–10% | Individual |
| HOULTON, STUART, NEIL | PARTNER since Apr 2025 | Less than 5% | Individual |
| INNES, ANGUS, ROBERT | PARTNER since Apr 2025 | Less than 5% | Individual |
| KRUPA, PIOTR, JANUSZ | PARTNER since Jun 2023 | Less than 5% | Individual |
| RACE, TIMOTHY, MICHAEL | PARTNER since Jun 2023 | Less than 5% | Individual |
| STUART, PAULINE, AGNES | PARTNER since Apr 2014 | Less than 5% | Individual |
| EURAZEO SE Control Indirect owner via LEGENDRE HOLDING 36 SAS | SHAREHOLDER since May 2024 | 75% or more | Foreign Entity |
| HUDSON EDGE INVESTMENT PARTNERS EMPLOYEE STOCK OWNERSHIP PLAN Control Indirect owner via BRUCE NELSON CAYMAN LTD | SHAREHOLDER since May 2024 | 75% or more | Domestic Entity |
| IM SQUARE PARTNERS HOLDING SASU Control Indirect owner via IM SQUARE HOLDING 11 LTD. | SHAREHOLDER since May 2024 | 75% or more | Foreign Entity |
| IM SQUARE SAS Control Indirect owner via IM SQUARE PARTNERS HOLDING SASU | SHAREHOLDER since May 2024 | 75% or more | Foreign Entity |
| JC DECAUX HOLDING SAS Control Indirect owner via EURAZEO SE | SHAREHOLDER since Jan 2022 | 25–50% | Foreign Entity |
| LEGENDRE HOLDING 36 SAS Control Indirect owner via IM SQUARE SAS | SHAREHOLDER since May 2024 | 50–75% | Foreign Entity |
Ownership & leadership changes · 13 filings with changes since Mar 23, 2012
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.
Jun 9, 2025 filing
- AddedHOULTON, STUART, NEIL · PARTNER · Less than 5%
- AddedINNES, ANGUS, ROBERT · PARTNER · Less than 5%
- ChangedBELL, CHARLES, HENRY EDWARD · ownership 5–10% → 10–25%
- ChangedBRUCE, CLAIRE, THERESE · ownership 10–25% → 5–10%
Aug 12, 2024 filing
- No longer listedEUROZEO SE · SHAREHOLDER · 75% or more · indirect via LEGENDRE HOLDING 36 SAS · control person · listed since May 2024
- No longer listedJC DECAUX HOLDING SAS · SHAREHOLDER · 25–50% · indirect via EUROZEO SE · control person · listed since Jan 2022
- AddedEURAZEO SE · SHAREHOLDER · 75% or more · indirect via LEGENDRE HOLDING 36 SAS · control person
- AddedJC DECAUX HOLDING SAS · SHAREHOLDER · 25–50% · indirect via EURAZEO SE · control person
Jul 24, 2024 filing
- AddedJC DECAUX HOLDING SAS · SHAREHOLDER · 25–50% · indirect via EUROZEO SE · control person
- ChangedIM SQUARE HOLDING 11 LTD. · now a control person
Jun 28, 2024 filing
- No longer listedBELL, CATHERINE, RACHEL · SHAREHOLDER · 25–50% · indirect via BRUCE NELSON CAYMAN LTD · listed since Mar 2014
- No longer listedBELL, CHARLES, HENRY EDWARD · SHAREHOLDER · 25–50% · indirect via BRUCE NELSON CAYMAN LTD · control person · listed since Jul 2013
- No longer listedBRUCE, CLAIRE, THERESE · SHAREHOLDER · 50–75% · indirect via BRUCE NELSON CAYMAN LTD · listed since Feb 2003
- No longer listedBRUCE, RICHARD, JEREMY · SHAREHOLDER · 50–75% · indirect via BRUCE NELSON CAYMAN LTD · control person · listed since Feb 2003
- AddedBELL, CATHERINE, RACHEL · PARTNER · 5–10%
- AddedBRUCE, CLAIRE, THERESE · PARTNER · 10–25%
- AddedDunphy, James, Patrick · CHIEF FINANCIAL OFFICER · Less than 5% · control person
- AddedEUROZEO SE · SHAREHOLDER · 75% or more · indirect via LEGENDRE HOLDING 36 SAS · control person
- AddedHUDSON EDGE INVESTMENT PARTNERS EMPLOYEE STOCK OWNERSHIP PLAN · SHAREHOLDER · 75% or more · indirect via BRUCE NELSON CAYMAN LTD · control person
- AddedIM SQUARE HOLDING 11 LTD. · PARTNER · 25–50%
- AddedIM SQUARE PARTNERS HOLDING SASU · SHAREHOLDER · 75% or more · indirect via IM SQUARE HOLDING 11 LTD. · control person
- AddedIM SQUARE SAS · SHAREHOLDER · 75% or more · indirect via IM SQUARE PARTNERS HOLDING SASU · control person
- AddedKRUPA, PIOTR, JANUSZ · PARTNER · Less than 5%
- AddedLEGENDRE HOLDING 36 SAS · SHAREHOLDER · 50–75% · indirect via IM SQUARE SAS · control person
- AddedRACE, TIMOTHY, MICHAEL · PARTNER · Less than 5%
- ChangedBELL, CHARLES, HENRY EDWARD · title GENERAL PARTNER → PARTNER; ownership Less than 5% → 5–10%
- ChangedBRUCE NELSON CAYMAN LTD · title GENERAL PARTNER → PARTNER; ownership 75% or more → 5–10%
- ChangedBRUCE, RICHARD, JEREMY · title GENERAL PARTNER → PARTNER; ownership Less than 5% → 10–25%
Nov 29, 2023 filing
- No longer listedHICKS, STEPHEN, JONATHAN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person · listed since Jul 2014
- AddedBRESLIN, SEAN, WILLIAM · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
Jun 27, 2019 filing
- No longer listedHGK ASSET MANAGEMENT INC · SHAREHOLDER · General partner, trustee or manager · indirect via BRUCE NELSON CAYMAN LTD · listed since Feb 2003
- AddedMAYOR, NICHOLAS, DENNIS ROBERT · PARTNER · Less than 5% · control person
- ChangedBELL, CATHERINE, RACHEL · indirect via BRUCE NELSON CAYMAN LTD: ownership General partner, trustee or manager → 25–50%
- ChangedBELL, CHARLES, HENRY EDWARD · indirect via BRUCE NELSON CAYMAN LTD: ownership General partner, trustee or manager → 25–50%
- ChangedBRUCE, RICHARD, JEREMY · indirect via BRUCE NELSON CAYMAN LTD: ownership General partner, trustee or manager → 50–75%
Feb 9, 2018 filing
- No longer listedLANDERS, SEAN, DESMOND · PARTNER · Less than 5% · listed since Apr 2014
- ChangedHICKS, STEPHEN, JONATHAN · now a control person
Nov 8, 2016 filing
- No longer listedLAVERS, SARAH, PATRICIA · GENERAL PARTNER · Less than 5% · control person · listed since Nov 2012
Jun 22, 2015 filing
- AddedHICKS, STEPHEN, JONATHAN · CHIEF COMPLIANCE OFFICER · Less than 5%
Mar 30, 2015 filing
- AddedLANDERS, SEAN, DESMOND · PARTNER · Less than 5%
- AddedSTUART, PAULINE, AGNES · PARTNER · Less than 5%
- ChangedTHOMPSON, CRAIG, ANTHONY · title CHIEF COMPLIANCE OFFICER → PARTNER
Older changes (4 more filings)
Jun 18, 2014 filing
- No longer listedHUGHES, MICHAEL, TALBOT ALLEYNE · GENERAL PARTNER · Less than 5% · control person · listed since Feb 2012
- AddedBELL, CATHERINE, RACHEL · SHAREHOLDER · General partner, trustee or manager · indirect via BRUCE NELSON CAYMAN LTD
- ChangedBELL, CHARLES, HENRY EDWARD · indirect via BRUCE NELSON CAYMAN LTD: ownership 25–50% → General partner, trustee or manager
Jun 28, 2013 filing
- AddedBELL, CHARLES, HENRY EDWARD · SHAREHOLDER · 25–50% · indirect via BRUCE NELSON CAYMAN LTD · control person
- AddedBRUCE, RICHARD, JEREMY · SHAREHOLDER · General partner, trustee or manager · indirect via BRUCE NELSON CAYMAN LTD · control person
- AddedHGK ASSET MANAGEMENT INC · SHAREHOLDER · General partner, trustee or manager · indirect via BRUCE NELSON CAYMAN LTD
- ChangedBRUCE, CLAIRE, THERESE · indirect via BRUCE NELSON CAYMAN LTD: ownership 25–50% → 50–75%; no longer a control person
- ChangedTHOMPSON, CRAIG, ANTHONY · now a control person
Nov 20, 2012 filing
- AddedLAVERS, SARAH, PATRICIA · GENERAL PARTNER · Less than 5% · control person
Mar 23, 2012 filing (earliest on record)
- ListedBELL, CHARLES, HENRY EDWARD · GENERAL PARTNER · Less than 5% · control person
- ListedBRUCE NELSON CAYMAN LTD · GENERAL PARTNER · 75% or more · control person
- ListedBRUCE, CLAIRE, THERESE · SHAREHOLDER · 25–50% · indirect via BRUCE NELSON CAYMAN LTD · control person
- ListedBRUCE, RICHARD, JEREMY · GENERAL PARTNER · Less than 5% · control person
- ListedHUGHES, MICHAEL, TALBOT ALLEYNE · GENERAL PARTNER · Less than 5% · control person
- ListedTHOMPSON, CRAIG, ANTHONY · CHIEF COMPLIANCE OFFICER · Less than 5%
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)
- SMURFIT WESTROCK PLC$16.2M +6.7%
- MICROSOFT CORP$11.7M +35.0%
- CNH INDL N V$6.2M +20.7%
- UBER TECHNOLOGIES INC$2.4M +10.4%
- KB FINANCIAL GROUP INC$2.4M +15.5%
Top Trims
- TAIWAN SEMICONDUCTOR MFG LTD-$54.2M -12.2%
- RYANAIR HOLDINGS PLC-$25.7M -11.1%
- HDFC BANK LTD-$22.5M -13.4%
- ICON PLC-$13.9M -5.2%
- COGNIZANT TECHNOLOGY SOLUTIO-$11.2M -92.8%
Trinity Street Asset Management LLP Holdings (2026-09-30)
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 | TAIWAN SEMICONDUCTOR MFG LTD | TSM | 874039100 | $390.3M | 20.89% | 855,571 | SH |
| 2 | SMURFIT WESTROCK PLC | SW | G8267P108 | $259.6M | 13.90% | 5,886,975 | SH |
| 3 | ICON PLC | ICLR | G4705A100 | $252.8M | 13.54% | 1,487,375 | SH |
| 4 | RYANAIR HOLDINGS PLC | RYAAY | 783513203 | $205.3M | 10.99% | 3,731,349 | SH |
| 5 | HDFC BANK LTD | HDB | 40415F101 | $145.2M | 7.77% | 6,500,900 | SH |
| 6 | INFOSYS LTD | INFY | 456788108 | $137.5M | 7.36% | 12,781,846 | SH |
| 7 | ALPHABET INC | GOOGL | 02079K305 | $47.0M | 2.52% | 136,539 | SH |
| 8 | MICROSOFT CORP | MSFT | 594918104 | $45.2M | 2.42% | 88,192 | SH |
| 9 | CNH INDL N V | CNH | N20944109 | $36.2M | 1.94% | 2,819,082 | SH |
| 10 | AMAZON COM INC | AMZN | 023135106 | $36.0M | 1.92% | 144,296 | SH |
| 11 | NUCOR CORP | NUE | 670346105 | $34.1M | 1.82% | 145,790 | SH |
| 12 | INTERACTIVE BROKERS GROUP IN | IBKR | 45841N107 | $29.9M | 1.60% | 350,499 | SH |
| 13 | CLEAN HARBORS INC | CLH | 184496107 | $28.8M | 1.54% | 92,837 | SH |
| 14 | COHERENT CORP | COHR | 19247G107 | $26.6M | 1.42% | 92,375 | SH |
| 15 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $26.4M | 1.41% | 43,100 | SH |
| 16 | UBER TECHNOLOGIES INC | UBER | 90353T100 | $25.7M | 1.38% | 375,189 | SH |
| 17 | EQUIFAX INC | EFX | 294429105 | $23.0M | 1.23% | 167,461 | SH |
| 18 | NORTHROP GRUMMAN CORP | NOC | 666807102 | $20.5M | 1.10% | 42,457 | SH |
| 19 | QUALCOMM INC | QCOM | 747525103 | $20.2M | 1.08% | 109,666 | SH |
| 20 | D R HORTON INC | DHI | 23331A109 | $20.1M | 1.08% | 147,417 | SH |
| 21 | STANDARDAERO INC | SARO | 85423L103 | $19.9M | 1.06% | 931,627 | SH |
| 22 | CIGNA CORP NEW | CI | 125523100 | $18.9M | 1.01% | 69,711 | SH |
| 23 | KB FINANCIAL GROUP INC | KB | 48241A105 | $17.8M | 0.95% | 144,483 | SH |
| 24 | COGNIZANT TECHNOLOGY SOLUTIO | CTSH | 192446102 | $864.5K | 0.05% | 15,050 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-09-30 | 2026-10-16 | $1.87B | 24 | 0001592579-26-000007 |
| 2026-06-30 | 2026-07-10 | $1.94B | 23 | 0001592579-26-000004 |
| 2026-03-31 | 2026-04-24 | $1.46B | 22 | 0001592579-26-000003 |
| 2025-12-31 | 2026-01-22 | $1.59B | 22 | 0001592579-26-000002 |
Filer Information
Address
25 GOLDEN SQUARELONDON, X0 W1F 9LU
Phone
44 2074959110
Filing Manager
Trinity Street Asset Management LLP
LONDON, X0
Signatory
Craig Thompson
Partner