Institutional Manager · CIK 0002023168
Atlatl Advisers LLC
MADISON, WI · File #028-24702
Latest AUM
$260.8M
Positions
179
Top-10 Concentration
49.8%
Filings
5
Portfolio Value Over Time
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | VANGUARD S&P 500 ETF | 922908363 | -26,659 | -$16.7M | +$457,589 |
| REDUCE | ISHARES BITCOIN TRUST ETF | IBIT | -244,850 | -$12.2M | -$4.3M |
| REDUCE | VANGUARD FTSE DEVELOPED MARKETS ETF | 921943858 | -141,297 | -$8.8M | +$425,656 |
| REDUCE | ISHARES NATIONAL MUNI BOND ETF | 464288414 | -73,559 | -$7.9M | +$45,909 |
| ADD | INVESCO QQQ TRUST SERIES I | IVZ | +7,295 | +$4.5M | +$265,543 |
| ADD | STATE STR SPDR S&P 500 ETF TR TR UNIT | SPY | +6,543 | +$4.5M | +$262,558 |
| REDUCE | ISHARES 10-20 YEAR TREASURY BOND ETF | 464288653 | -38,401 | -$3.9M | -$51,335 |
| ADD | ALPHABET INC CAP STK CL A | GOOG | +11,806 | +$3.7M | +$520,126 |
| REDUCE | VANGUARD FTSE EMERGING MARKETS ETF | 922042858 | -60,198 | -$3.3M | +$5,611 |
| NEW | GENERAL MTRS CO COM | 37045V100 | +37,357 | +$3.0M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025179 pos · $260.8M
- 13F HOLDINGS REPORTQ/E Sep 2025164 pos · $251.7M
- 13F HOLDINGS REPORTQ/E Jun 2025138 pos · $211.5M
- 13F HOLDINGS REPORTQ/E Mar 2025114 pos · $153.8M
- 13F HOLDINGS REPORTQ/E Dec 2024459 pos · $170.5M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | VANGUARD S&P 500 ETF | 922908363 | 28,572 | $17.9M | 9.07% |
| 2 | INVESCO QQQ TRUST SERIES I | IVZ | 26,344 | $16.2M | 8.19% |
| 3 | STATE STR SPDR S&P 500 ETF TR TR UNIT | SPY | 23,224 | $15.8M | 8.02% |
| 4 | ISHARES CORE TOTAL USD BOND MARKET ETF | 46434V613 | 206,076 | $9.6M | 4.85% |
| 5 | VANGUARD FTSE DEVELOPED MARKETS ETF | 921943858 | 151,393 | $9.5M | 4.79% |
| 6 | ISHARES NATIONAL MUNI BOND ETF | 464288414 | 80,981 | $8.7M | 4.39% |
| 7 | APPLE INC COM | AAPL | 22,663 | $6.2M | 3.12% |
| 8 | ALPHABET INC CAP STK CL A | GOOG | 19,247 | $6.0M | 3.05% |
| 9 | PALANTIR TECHNOLOGIES INC CL A | PLTR | 24,956 | $4.4M | 2.25% |
| 10 | MICROSOFT CORP COM | MSFT | 8,462 | $4.1M | 2.07% |
| 11 | AMAZON COM INC COM | AMZN | 16,021 | $3.7M | 1.87% |
| 12 | ISHARES 10-20 YEAR TREASURY BOND ETF | 464288653 | 35,653 | $3.6M | 1.83% |
| 13 | NVIDIA CORPORATION COM | NVDA | 19,246 | $3.6M | 1.82% |
| 14 | VANGUARD FTSE EMERGING MARKETS ETF | 922042858 | 66,320 | $3.6M | 1.80% |
| 15 | ISHARES CORE S&P 500 ETF | 464287200 | 5,161 | $3.5M | 1.79% |
| 16 | WESTERN DIGITAL CORP COM | WDC | 19,946 | $3.4M | 1.74% |
| 17 | ISHARES MBS ETF | 464288588 | 33,552 | $3.2M | 1.62% |
| 18 | MICRON TECHNOLOGY INC COM | MU | 11,188 | $3.2M | 1.62% |
| 19 | VANGUARD TOTAL INTERNATIONAL BOND ETF | 92203J407 | 64,632 | $3.1M | 1.58% |
| 20 | CORNING INC COM | GLW | 34,706 | $3.0M | 1.54% |