§ 13F · FUND PROFILE
CASTLEARK MANAGEMENT LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $3327.5T (13F)Positions · 275Turnover · — · Q4Filed · Feb 13, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$3406.5T deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 13, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | NVDA | NVIDIA CORPORATION | 1.41M | $262.6T | 7.7% | NEW |
| 2 | MSFT | MICROSOFT CORP | 369K | $178.7T | 5.2% | NEW |
| 3 | GOOGL | ALPHABET INC | 382K | $119.5T | 3.5% | NEW |
| 4 | AMZN | AMAZON COM INC | 472K | $109.0T | 3.2% | NEW |
| 5 | AAPL | APPLE INC | 387K | $105.2T | 3.1% | NEW |
| 6 | LLY | ELI LILLY & CO | 82K | $87.7T | 2.6% | NEW |
| 7 | SPIB | SPDR SERIES TRUST | 2.52M | $85.2T | 2.5% | NEW |
| 8 | META | META PLATFORMS INC | 122K | $80.8T | 2.4% | NEW |
| 9 | VMBS | VANGUARD SCOTTSDALE FDS | 1.71M | $80.3T | 2.4% | NEW |
| 10 | GOVT | ISHARES TR | 3.33M | $76.7T | 2.3% | NEW |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE CASTLEARK SIGNAL
AC read
CASTLEARK MANAGEMENT LLC is a Other fund managing $3327453.1 trillion in assets. The fund runs a broad portfolio of 275 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q2 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed