Atlatl Advisers LLC holds a focused book of 459 stocks worth $421.1M as of Q2 2026 (disclosed Jul 22, 2026, a ~45-day 13F lag). This quarter they opened SS SPDR S&P 500 ETF Trust-US and trimmed Ishr CR Unvrse Usd BD ETF-Ui. Their largest long position is Invesco QQQ Trust Series 1 at 13% of the equity book. Cloning the disclosed picks since 2025 would be +28% (+18.2%/yr). That is a simulation of the disclosed long book, not audited returns.
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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/2023168/holdings"
Use Arkolith to show Atlatl Advisers LLC's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 17.0 points over this window.
Growth of $10,000 cloning Atlatl Advisers LLC'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.
46% 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 | Invesco QQQ Trust Series I ETF | $54.7M | 74.3K | 13.0% | ▲123× Added · +74K sh | |
| 2 | State Street SPDR S&P 500 ETF ETF | $44.2M | 59.1K | 10.5% | ▲New New position | |
| 3 | Ishares National Muni Bond ETF ETF | $28.1M | 260.8K | 6.7% | ▲~0% Added · +19 sh | |
| 4 | Sandisk Corp Com Stock | $17.3M | 7.6K | 4.1% | ▲New New position | |
| 5 | Vanguard S&P 500 ETF ETF | $14.5M | 21.1K | 3.4% | ▲+87% Added · +10K sh | |
| 6 | Micron Technology Inc Com Stock | $12.8M | 11.1K | 3.0% | ▲+837% Added · +10K sh | |
| 7 | Ishares Core Total Usd Bond Market ETF ETF | $11.5M | 248.9K | 2.7% | ▼−6.9% Reduced · −19K sh | |
| 8 | Western Digital Corp Com Stock | $8.9M | 13.9K | 2.1% | ▲10× Added · +13K sh | |
| 9 | Advanced Micro Devices Inc Com Stock | $7.8M | 13.5K | 1.9% | ▲New New position | |
| 10 | Seagate Technology HLDNGS PLC Ord SHS Stock | $7.7M | 8.0K | 1.8% | ▲New New position | |
| 11 | Lam Research Corp Com New Stock | $7.0M | 16.2K | 1.7% | ▲+817% Added · +14K sh | |
| 12 | Marvell Technology Inc Com Stock | $6.9M | 23.2K | 1.6% | ▲New New position | |
| 13 | Applied Matls Inc Com Stock | $6.8M | 9.4K | 1.6% | ▲New New position | |
| 14 | Palo Alto Networks Inc Com Stock | $6.6M | 19.4K | 1.6% | ▲New New position | |
| 15 | Ishares Long-Term National Muni Bond ETF ETF | $6.6M | 128.4K | 1.6% | ▲+2.0% Added · +3K sh | |
| 16 | Intel Corp Com Stock | $6.5M | 46.8K | 1.6% | ▲New New position | |
| 17 | Comfort Sys USA Inc Com Stock | $6.1M | 3.1K | 1.4% | ▲New New position | |
| 18 | Corning Inc Com Stock | $6.0M | 23.3K | 1.4% | ▲New New position | |
| 19 | Teradyne Inc Com Stock | $5.9M | 12.2K | 1.4% | ▲New New position | |
| 20 | Ciena Corp Com New Stock | $5.9M | 12.0K | 1.4% | ▲+498% Added · +10K sh | |
| 21 | Ishares U.S. Treasury Bond ETF ETF | $5.6M | 247.7K | 1.3% | ▲+0.3% Added · +622 sh | |
| 22 | Dell Technologies Inc CL C Stock | $5.6M | 13.0K | 1.3% | ▲New New position | |
| 23 | Hewlett Packard Enterprise Co Com Stock | $5.5M | 122.0K | 1.3% | ▲New New position | |
| 24 | Kla Corp Com New Stock | $5.5M | 18.1K | 1.3% | ▲New New position | |
| 25 | Arm Holdings PLC Sponsored Ads ADR | $5.1M | 14.3K | 1.2% | ▲New New position | |
| 26 | Apple Inc Com Stock | $5.0M | 17.3K | 1.2% | ▼−9.9% Reduced · −2K sh | |
| 27 | Lumentum Hldgs Inc Com Stock | $4.8M | 5.6K | 1.2% | ▲New New position | |
| 28 | Invesco S&P 500 Momentum ETF ETF | $4.7M | 29.2K | 1.1% | ▲New New position | |
| 29 | Coherent Corp Com Stock | $4.4M | 11.2K | 1.0% | ▲New New position | |
| 30 | Ishares MBS ETF ETF | $4.1M | 43.0K | 1.0% | ▼−0.5% Reduced · −220 sh | |
| 31 | Abrdn Physical Gold Shares ETF ETF | $3.7M | 96.7K | 0.9% | ▲+1.0% Added · +952 sh | |
| 32 | Vanguard Ftse Developed Markets ETF ETF | $3.5M | 49.7K | 0.8% | ▼−29% Reduced · −20K sh | |
| 33 | Vanguard Growth ETF ETF | $3.1M | 36.5K | 0.7% | ▲New New position | |
| 34 | Ishares Core S&P 500 ETF ETF | $2.7M | 3.6K | 0.6% | ▲+44% Added · +1K sh | |
| 35 | Amazon Com Inc Com Stock | $2.6M | 11.1K | 0.6% | ▲+1.5% Added · +166 sh | |
| 36 | Ishares 0-5 Year Tips Bond ETF ETF | $2.6M | 25.2K | 0.6% | ▲+61% Added · +10K sh | |
| 37 | Nvidia Corporation Com Stock | $2.5M | 12.7K | 0.6% | ▲+0.6% Added · +78 sh | |
| 38 | Sprott Asset Management LP Physical Gold An CEF | $2.5M | 61.9K | 0.6% | ▲+0.3% Added · +208 sh | |
| 39 | State Street Real Estate Select Sector SPDR ETF ETF | $2.4M | 53.8K | 0.6% | ▲New New position | |
| 40 | State Street Health Care Select Sector SPDR ETF ETF | $2.2M | 14.0K | 0.5% | ▲New New position | |
| 41 | State Street Industrial Select Sector SPDR ETF ETF | $1.8M | 9.9K | 0.4% | ▲New New position | |
| 42 | Alphabet Inc Cap STK CL A Stock | $1.8M | 5.0K | 0.4% | ▼−1.2% Reduced · −61 sh | |
| 43 | Microsoft Corp Com Stock | $1.7M | 4.6K | 0.4% | ▼−5.4% Reduced · −267 sh | |
| 44 | Ishares 10-20 Year Treasury Bond ETF ETF | $1.6M | 15.6K | 0.4% | ▲+0.5% Added · +83 sh | |
| 45 | Ishares Flexible Income Active ETF ETF | $1.6M | 29.8K | 0.4% | ▼−32% Reduced · −14K sh | |
| 46 | Ishares Systematic Bond ETF ETF | $1.6M | 17.6K | 0.4% | ▼−0.3% Reduced · −57 sh | |
| 47 | Ishares Global Government Bond Usd Hedged Active ETF ETF | $1.6M | 31.0K | 0.4% | ▲New New position | |
| 48 | Ishares Systematic Alternatives Active ETF ETF | $1.5M | 55.0K | 0.4% | ▲New New position | |
| 49 | Palantir Technologies Inc CL A Stock | $1.5M | 13.1K | 0.4% | ▼−1.0% Reduced · −130 sh | |
| 50 | State Street Energy Select Sector SPDR ETF ETF | $1.4M | 27.2K | 0.3% | ▲New New position |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 22, 2026 | 459 | $421.1M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 7, 2026 | 95 | $134.8M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 9, 2026 | 179 | $260.8M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 4, 2025 | 164 | $251.7M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Jul 31, 2025 | 138 | $211.5M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 28, 2025 | 114 | $153.8M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 31, 2025 | 459 | $170.5M | 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.