Roger Wittlin Investment Advisory, LLC
CIK
1911328
Location
San Francisco, CA
Portfolio Value
Micro
$16,253,625
Diversification
Highly concentrated
Filing Date
Global Rank
#7,867
/ 8,607
▼ 12
· as of Mar 2026
Top Industry
Software - Infrastructure
73.3%
3Y Alpha vs SPY
+0.0%
Period ended 3 months ago
Filed May 13, 2026 · 59d
18 quarters · since Dec 2021
Clone Performance
Jul 2023–Jul 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+75.6%
SPY
+75.9%
Annualised alpha
-0.1%
Max drawdown
−20.1%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
6 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
43.7%
−1.2 pts
Top 5
98.3%
−0.3 pts
Top 10
100.0%
0.0 pts
HHI
2,904
Highly concentrated−141
Portfolio Trend
18 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Unclassified | 93.5% | $15,189,153 |
| Technology | 4.8% | $780,550 |
| Real Estate | 1.7% | $283,922 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
1 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| PLD | Prologis, Inc. | +17 | 2,148 | $283,922 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarterNo qualifying positions this quarter.
Sold Out
Positions the filer fully exitedNo qualifying positions this quarter.
6 positions ·
$16,253,625 total
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| SPY |
Spdr S&P 500 ETF Trust
|
Reduced | 10,924 | $7,104,314 | 43.71% | |
| QQQ |
Invesco Qqq Trust, Series 1
|
Reduced | 7,188 | $4,148,769 | 25.53% | |
| IAU |
Ishares Gold Trust
|
Reduced | 28,594 | $2,520,847 | 15.51% | |
| GLD |
Spdr Gold Trust
|
Held | 3,289 | $1,415,223 | 8.71% | |
| PLTR |
Palantir Technologies Inc.
Technology
|
Held | 5,336 | $780,550 | 4.80% | |
| PLD |
Prologis, Inc.
Real Estate
|
Added | 2,148 | $283,922 | 1.75% |