Institutional Fund
Castleark Management LLC
Chicago, ILCIK 11068325 filings on record
Portfolio Value
$3.02B
Q1 2026
Holdings
292
Reported positions
New Buys
53
Opened this quarter
QoQ Change
-11.3%
from $3.41B
Portfolio Value Trend
Reported 13F value by quarter
Portfolio value trend — upgrade to see history
UpgradeTop Allocations
Largest positions by weight
- Nvidia Corporation7.3%
- Alphabet Inc4.0%
- Microsoft Corp3.2%
- Spdr Series Trust3.0%
- Apple Inc2.9%
- Ishares Tr2.5%
- Other77.1%
Portfolio Holdings
292 positions · Q1 2026
| # | Security | Shares | Value | % Port. | Δ Shares | Activity |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corporation | 1.26M | $219.40M | 7.3% | −150.1K | Reduced |
| 2 | Alphabet Inc | 418.0K | $120.21M | 4.0% | +36.4K | Added |
| 3 | Microsoft Corp | 264.1K | $97.76M | 3.2% | −105.4K | Reduced |
| 4 | Spdr Series Trust | 2.69M | $90.17M | 3.0% | +169.0K | Added |
| 5 | Apple Inc | 350.0K | $88.83M | 2.9% | −37.0K | Reduced |
| 6 | Ishares Tr | 3.33M | $76.28M | 2.5% | 0 | Held |
| 7 | Lam Research Corp | 336.7K | $71.95M | 2.4% | −36.1K | Reduced |
| 8 | Meta Platforms Inc | 124.0K | $70.92M | 2.3% | +1.6K | Added |
| 9 | Vanguard Scottsdale Fds | 1.49M | $69.85M | 2.3% | −217.7K | Reduced |
| 10 | Eli Lilly & Co | 73.5K | $67.58M | 2.2% | −8.1K | Reduced |
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