Oakcliff Capital Partners, LP — 13F Holdings & Portfolio
CIK 1657335 · latest 13F-HR filed 2026-08-13
Oakcliff Capital Partners, LP manages $268.5M in 13F-reported U.S. long-equity assets across 9 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are IBKR (33.42%), GOOG (15.55%), GIL (13.10%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position and exited 0; 3 existing positions rose in reported value and 3 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 23, 2026.
NEW YORK, NY 10022
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| Conklin, Jessie, Hall Control | CHIEF FINANCIAL OFFICER AND CHIEF COMPLIANCE OFFICER since Mar 2019 | Less than 5% | Individual |
| Jamgochian, John, James Control | CHIEF OPERATING OFFICER since Mar 2018 | Less than 5% | Individual |
| LAWRENCE, BRYAN, ROSS Control | MANAGING MEMBER since Jun 2004 | 75% or more | Individual |
Ownership & leadership changes · 4 filings with changes since Mar 30, 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.
- ChangedConklin, Jessie, Hall · title CHIEF FINANCIAL OFFICER → CHIEF FINANCIAL OFFICER AND CHIEF COMPLIANCE OFFICER
- ChangedJamgochian, John, James · title CHIEF OPERATING OFFICER AND CHIEF COMPLIANCE OFFICER → CHIEF OPERATING OFFICER
- No longer listedSIGNORINO, ROBERT, ANTHONY · CHIEF FINANCIAL OFFICER · Less than 5% · control person · listed since Jun 2004
- AddedConklin, Jessie, Hall · CHIEF FINANCIAL OFFICER · Less than 5% · control person
- No longer listedSCOTT, MELINDA, HELEN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person · listed since Mar 2016
- AddedJamgochian, John, James · CHIEF OPERATING OFFICER AND CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ChangedLAWRENCE, BRYAN, ROSS · title MEMBER → MANAGING MEMBER
- AddedSCOTT, MELINDA, HELEN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ListedLAWRENCE, BRYAN, ROSS · MEMBER · 75% or more · control person
- ListedSIGNORINO, ROBERT, ANTHONY · CHIEF FINANCIAL OFFICER · 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)
- INTERACTIVE BROKERS GROUP IN$20.6M +29.8%
- ALPHABET INC$7.9M +23.2%
- TRANSDIGM GROUP INC$4.2M +14.9%
Top Trims
- GILDAN ACTIVEWEAR INC-$2.8M -7.3%
- NATURAL RESOURCE PARTNERS LP-$2.4M -19.8%
- GUIDEWIRE SOFTWARE INC-$2.0M -9.5%
Oakcliff Capital Partners, 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 | INTERACTIVE BROKERS GROUP IN | IBKR | 45841N107 | $89.7M | 33.42% | 1,030,740 | SH |
| 2 | ALPHABET INC | GOOG | 02079K107 | $41.7M | 15.55% | 118,161 | SH |
| 3 | GILDAN ACTIVEWEAR INC | GIL | 375916103 | $35.2M | 13.10% | 681,689 | SH |
| 4 | TRANSDIGM GROUP INC | TDG | 893641100 | $32.2M | 11.99% | 24,170 | SH |
| 5 | GUIDEWIRE SOFTWARE INC | GWRE | 40171V100 | $19.5M | 7.27% | 158,683 | SH |
| 6 | MOODY'S CORP | MCO | 615369105 | $15.4M | 5.74% | 34,000 | SH |
| 7 | STAR GROUP L P | SGU | 85512C105 | $14.1M | 5.26% | 1,099,239 | SH |
| 8 | LENNAR CORP-A | LEN | 526057104 | $10.7M | 3.98% | 118,000 | SH |
| 9 | NATURAL RESOURCE PARTNERS LP | NRP | 63900P608 | $9.9M | 3.69% | 102,057 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $268.5M | 9 | 0001172661-26-003363 |
| 2026-03-31 | 2026-05-15 | $226.6M | 8 | 0001172661-26-002106 |
| 2025-12-31 | 2026-02-17 | $233.2M | 8 | 0001172661-26-001030 |
| 2025-09-30 | 2025-11-14 | $231.7M | 8 | 0001172661-25-004906 |
SUITE 530
NEW YORK, NY 10022