J. Mark Nickell & Co. holds a focused book of 32 stocks worth $110.7M as of Q1 2026 (disclosed May 20, 2026, a ~45-day 13F lag). This quarter they opened Pimco Intermediate Municipal and trimmed Ishares Msci USA Quality Fac. Their largest long position is Ishares Msci USA Quality Fac at 13% of the equity book. Cloning the disclosed picks since 2026 would be +5% (+11.9%/yr). That is a simulation of the disclosed long book, not audited returns.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1811161/holdings"
Use Arkolith to show J. Mark Nickell & Co.'s latest holdings, largest changes, and filing provenance.
Growth of $10,000 cloning J. Mark Nickell & Co.'s disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
0% 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 | Ishares TR MSCI USA QLT FCT | $14.8M | 77.3K | 13.4% | ▼−9.0% Reduced · −8K sh | |
| 2 | Ishares TR CORE UNIVRSL USD | $12.8M | 276.3K | 11.5% | ▲+10% Added · +26K sh | |
| 3 | Vanguard Index FDS S&P 500 ETF SHS | $11.4M | 19.2K | 10.3% | ▼−7.2% Reduced · −1K sh | |
| 4 | GMO ETF Trust GMO US QUALITY E | $10.2M | 282.8K | 9.2% | ▲+37% Added · +76K sh | |
| 5 | J P Morgan Exchange Traded F ULTRA SHRT ETF | $10.0M | 196.6K | 9.0% | ▲+9.4% Added · +17K sh | |
| 6 | Dimensional ETF Trust INTERNATNAL VAL | $7.8M | 148.4K | 7.1% | ▼−1.1% Reduced · −2K sh | |
| 7 | Pimco ETF TR MULTISECTOR BD | $6.6M | 250.1K | 5.9% | ▲+7.0% Added · +16K sh | |
| 8 | Schwab Strategic TR US DIVIDEND EQ | $5.6M | 182.1K | 5.0% | ▲+3.4% Added · +6K sh | |
| 9 | Ishares TR S&P 500 GRWT ETF | $5.4M | 48.1K | 4.9% | ▲+4.8% Added · +2K sh | |
| 10 | Vanguard Whitehall FDS INTL DVD ETF | $4.7M | 52.6K | 4.2% | ▲+6.3% Added · +3K sh | |
| 11 | BlackRock ETF Trust II ISHARES FLEXIBLE | $4.4M | 85.1K | 4.0% | ▲+1.7% Added · +1K sh | |
| 12 | Ishares Inc MSCI EMRG CHN | $3.5M | 44.9K | 3.2% | ▲+19% Added · +7K sh | |
| 13 | Ishares TR GLOBAL TECH ETF | $3.2M | 32.2K | 2.9% | ▲+6.0% Added · +2K sh | |
| 14 | BlackRock ETF Trust II ISHARES AAA CLO | $2.4M | 45.5K | 2.1% | ▲+2.5% Added · +1K sh | |
| 15 | Vanguard Index FDS TOTAL STK MKT | $1.5M | 4.8K | 1.4% | ▼−23% Reduced · −1K sh | |
| 16 | Ishares TR ISHS 5-10YR INVT | $800K | 15.0K | 0.7% | ▼−0.7% Reduced · −102 sh | |
| 17 | Ishares TR ESG AWRE 1 5 YR | $711K | 28.4K | 0.6% | —Held | |
| 18 | BlackRock ETF Trust ISHARES US CARBO | $576K | 8.2K | 0.5% | —Held | |
| 19 | Ishares TR ESG AWR MSCI USA | $485K | 3.4K | 0.4% | ▼−42% Reduced · −3K sh | |
| 20 | Ishares TR ESG OPTIMIZED | $444K | 3.4K | 0.4% | —Held | |
| 21 | Ishares TR ESG AW MSCI EAFE | $353K | 3.7K | 0.3% | —Held | |
| 22 | Ishares TR ESG AWARE MSCI | $345K | 7.2K | 0.3% | —Held | |
| 23 | Pimco ETF TR INTER MUN BD ACT | $344K | 6.6K | 0.3% | ▲New New position | |
| 24 | Global X FDS DATA CTR & DIGIT | $341K | 14.2K | 0.3% | ▼−1.0% Reduced · −138 sh | |
| 25 | Ishares TR US INFRASTRUC | $303K | 5.3K | 0.3% | —Held | |
| 26 | Vanguard World FD ESG US STK ETF | $289K | 2.6K | 0.3% | —Held | |
| 27 | Ishares TR S&P 100 ETF | $243K | 763 | 0.2% | ▼−3.8% Reduced · −30 sh | |
| 28 | Hca Healthcare Inc COM | $237K | 500 | 0.2% | ▲New New position | |
| 29 | Goldman Sachs ETF TR FUTURE HEALTH | $233K | 7.1K | 0.2% | —Held | |
| 30 | Deere & Co COM | $229K | 407 | 0.2% | ▲New New position | |
| 31 | Ishares TR CYBERSECURITY | $210K | 4.8K | 0.2% | ▲+1.0% Added · +47 sh | |
| 32 | Ishares TR ESG EAFE ETF | $209K | 2.8K | 0.2% | —Held |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 20, 2026 | 32 | $110.7M | 13F-HR/A |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 30 | $108.3M | 13F-HR |
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.