Buckland Partners Management Co LLC holds a diversified book of 89 stocks worth $164.9M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened CENTESSA PHARMACEUTICALS PLC and trimmed SYNOPSYS, INC. Their largest long position is SYNOPSYS, INC at 8% of the equity book.
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Use Arkolith to show Buckland Partners Management Co LLC's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
15% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Synopsys, Inc COM | $13.1M | 33.0K | 7.9% | ▼−7.0% Reduced · −3K sh | |
| 2 | Carpenter Technology Inc COM | $11.0M | 28.0K | 6.7% | ▼−9.7% Reduced · −3K sh | |
| 3 | W.R. Berkley Corporation COM | $9.8M | 148.5K | 6.0% | —Held | |
| 4 | Apple Inc COM | $7.7M | 30.4K | 4.7% | —Held | |
| 5 | Tractor Supply Company COM | $5.7M | 125.0K | 3.4% | —Held | |
| 6 | Silgan Holdings Inc COM | $5.4M | 138.8K | 3.3% | —Held | |
| 7 | Citizens Financial Group, Inc COM | $4.3M | 72.0K | 2.6% | —Held | |
| 8 | Analog Devices, Inc COM | $3.8M | 11.9K | 2.3% | —Held | |
| 9 | Marten Transport Ltd COM | $3.5M | 267.6K | 2.1% | —Held | |
| 10 | Howmet Aerospace Inc COM | $3.5M | 15.0K | 2.1% | —Held | |
| 11 | Goldman Sachs Group, Inc COM | $3.4M | 4.0K | 2.1% | —Held | |
| 12 | Iron Mountain Incorporated COM | $3.1M | 30.0K | 1.9% | —Held | |
| 13 | Meta Platforms Inc CLASS A | $2.9M | 5.0K | 1.7% | —Held | |
| 14 | Asml Holding N.V. N Y REGISTRY SHARES | $2.8M | 2.1K | 1.7% | —Held | |
| 15 | Topbuild Corp. COM | $2.8M | 8.0K | 1.7% | —Held | |
| 16 | Masco Corporation COM | $2.7M | 45.0K | 1.6% | —Held | |
| 17 | Carlyle Group Inc COM | $2.6M | 54.4K | 1.6% | —Held | |
| 18 | Madison Square Garden Sports Corp CLASS A | $2.6M | 8.0K | 1.6% | —Held | |
| 19 | Loews Corporation COM | $2.6M | 24.0K | 1.6% | —Held | |
| 20 | Exxon Mobil Corporation COM | $2.4M | 14.2K | 1.5% | —Held | |
| 21 | Structure Therapeutics Inc ADR SPONSORED ADS | $2.4M | 50.0K | 1.5% | —Held | |
| 22 | Palo Alto Networks Inc COM | $2.1M | 13.4K | 1.3% | ▲+3.1% Added · +400 sh | |
| 23 | JPMorgan Chase & Co COM | $2.1M | 7.0K | 1.2% | —Held | |
| 24 | Taiwan Semiconductor MFG SPONSORED ADS | $2.0M | 6.0K | 1.2% | —Held | |
| 25 | Amcor PLC ORD | $2.0M | 50.8K | 1.2% | ▲New New position | |
| 26 | Alphabet Inc CLASS A | $2.0M | 7.0K | 1.2% | —Held | |
| 27 | Star Bulk Carriers Corp. SHS PAR | $1.9M | 84.6K | 1.2% | —Held | |
| 28 | Entegris, Inc COM | $1.9M | 16.5K | 1.2% | —Held | |
| 29 | The Timken Company COM | $1.9M | 19.0K | 1.2% | —Held | |
| 30 | Baker Hughes Co COM | $1.8M | 30.0K | 1.1% | —Held | |
| 31 | L3harris Technologies Inc COM | $1.8M | 5.2K | 1.1% | —Held | |
| 32 | Honeywell Intl Inc COM | $1.7M | 7.5K | 1.0% | —Held | |
| 33 | Solstice Advanced Materials Inc COM SHS | $1.7M | 21.9K | 1.0% | —Held | |
| 34 | Ford Motor Company COM | $1.7M | 143.0K | 1.0% | —Held | |
| 35 | Ge Vernova LLC COM | $1.6M | 1.8K | 1.0% | —Held | |
| 36 | General Electric Company COM | $1.5M | 5.3K | 0.9% | —Held | |
| 37 | Salesforce Inc COM | $1.5M | 7.9K | 0.9% | ▲+255% Added · +6K sh | |
| 38 | Builders Firstsource, Inc COM | $1.4M | 17.1K | 0.9% | —Held | |
| 39 | Intel Corporation COM | $1.3M | 30.0K | 0.8% | —Held | |
| 40 | Draftkings Inc COM | $1.3M | 60.0K | 0.8% | —Held | |
| 41 | Atlanta Braves Holdings Inc COM SER C | $1.3M | 30.3K | 0.8% | —Held | |
| 42 | Microsoft Corporation COM | $1.3M | 3.5K | 0.8% | ▲+1.5% Added · +50 sh | |
| 43 | Astera Labs, Inc COM | $1.2M | 11.0K | 0.7% | —Held | |
| 44 | Centessa Pharmaceuticals PLC SPONSORED ADS | $1.2M | 30.0K | 0.7% | ▲New New position | |
| 45 | Cisco Systems, Inc COM | $1.2M | 15.0K | 0.7% | —Held | |
| 46 | Blackstone Group Inc COM | $1.1M | 10.0K | 0.7% | ▲New New position | |
| 47 | KKR & Co. Inc COM | $1.1M | 12.0K | 0.7% | —Held | |
| 48 | Oracle Corporation COM | $1.1M | 7.5K | 0.7% | ▲+36% Added · +2K sh | |
| 49 | Toll Brothers, Inc COM | $1.1M | 8.0K | 0.7% | —Held | |
| 50 | Walt Disney Company COM | $1.1M | 11.2K | 0.7% | —Held |
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.