Institutional Manager · CIK 0001911328
Roger Wittlin Investment Advisory, LLC
San Francisco, CA · File #028-22286
Latest AUM
$143.0M
Positions
39
Top-10 Concentration
78.2%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
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 INDEX FDS | 922908769 | -21,384 | -$7.2M | +$791,041 |
| REDUCE | ISHARES TR | 464287200 | -9,112 | -$6.2M | +$588,633 |
| REDUCE | PIMCO ETF TR | 72201R627 | -83,482 | -$4.2M | -$183,887 |
| REDUCE | SPDR SERIES TRUST | 78464A128 | -15,293 | -$3.2M | +$255,729 |
| REDUCE | ISHARES TR | 464287150 | -16,729 | -$2.5M | +$337,262 |
| REDUCE | SCHWAB STRATEGIC TR | 808524102 | -90,635 | -$2.4M | +$306,262 |
| REDUCE | INVESCO QQQ TR | IVZ | -3,808 | -$2.3M | +$172,264 |
| REDUCE | SPDR S&P 500 ETF TR | SPY | -1,816 | -$1.2M | +$230,607 |
| REDUCE | PALANTIR TECHNOLOGIES INC | PLTR | -6,642 | -$1.2M | -$55,938 |
| REDUCE | ISHARES TR | 464287507 | -17,139 | -$1.1M | +$25,401 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202539 pos · $143.0M
- 13F HOLDINGS REPORTQ/E Sep 202541 pos · $179.9M
- 13F HOLDINGS REPORTQ/E Jun 202543 pos · $179.4M
- 13F HOLDINGS REPORTQ/E Mar 202543 pos · $170.9M
- 13F HOLDINGS REPORTQ/E Dec 202443 pos · $178.6M
- 13F HOLDINGS REPORTQ/E Sep 202454 pos · $173.8M
- 13F HOLDINGS REPORTQ/E Jun 202449 pos · $155.8M
- 13F HOLDINGS REPORTQ/E Mar 202446 pos · $142.6M
- 13F HOLDINGS REPORTQ/E Dec 202339 pos · $117.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | VANGUARD INDEX FDS | 922908769 | 89,999 | $30.2M | 21.10% |
| 2 | ISHARES TR | 464287200 | 28,556 | $19.6M | 13.68% |
| 3 | ISHARES TR | 464287150 | 94,193 | $14.0M | 9.79% |
| 4 | SCHWAB STRATEGIC TR | 808524102 | 498,333 | $13.1M | 9.14% |
| 5 | SPDR S&P 500 ETF TR | SPY | 12,821 | $8.7M | 6.11% |
| 6 | PIMCO ETF TR | 72201R627 | 149,349 | $7.5M | 5.25% |
| 7 | INVESCO QQQ TR | IVZ | 8,553 | $5.3M | 3.67% |
| 8 | SPDR SERIES TRUST | 78464A128 | 23,959 | $5.0M | 3.53% |
| 9 | VANGUARD INDEX FDS | 922908629 | 16,110 | $4.7M | 3.27% |
| 10 | PIMCO ETF TR | 72201R775 | 40,421 | $3.8M | 2.63% |
| 11 | VANGUARD STAR FDS | 921909768 | 46,844 | $3.5M | 2.47% |
| 12 | INVESCO EXCHANGE TRADED FD T | IVZ | 16,159 | $3.1M | 2.16% |
| 13 | ISHARES GOLD TR | IAU | 36,220 | $2.9M | 2.06% |
| 14 | VANGUARD SPECIALIZED FUNDS | 921908844 | 7,604 | $1.7M | 1.17% |
| 15 | VANGUARD BD INDEX FDS | 921937835 | 22,103 | $1.6M | 1.14% |
| 16 | ISHARES TR | 46432F842 | 17,337 | $1.6M | 1.08% |
| 17 | SPDR SERIES TRUST | 78464A763 | 10,138 | $1.4M | 0.99% |
| 18 | PIMCO ETF TR | 72201R833 | 13,683 | $1.4M | 0.96% |
| 19 | VANGUARD SCOTTSDALE FDS | 92206C771 | 28,328 | $1.3M | 0.93% |
| 20 | SPDR GOLD TR | GLD | 3,289 | $1.3M | 0.91% |