Filed: 11/17/2025ACC: 0001106832-25-000008
📋 What this filing means
CASTLEARK MANAGEMENT LLC filed this quarterly 13F‑HR report disclosing 284 equity positions with a total reported market value of $3.57B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
284
Positions
$3.57B
Total AUM (reported)
42.58M
Total Shares
Allocation by class
COM$1.83B51.4%
CASTLEARK LARGE$322.06M9.0%
COM NEW$190.52M5.3%
CL A$186.16M5.2%
COM CL A$135.02M3.8%
COM SHS$92.05M2.6%
CAP STK CL A$90.89M2.5%
Portfolio Concentration
Top 3$766.37M21.5%
4–10$622.45M17.5%
11–25$741.64M20.8%
Rest$1.44B40.3%
Top 3 weight
21.5%
Top 10 weight
38.9%
Voting Authority Distribution
Total shares with voting rights: 42.58M
Sole
Full voting authority
42.58M
shares
% of voting shares100.0%
Shared
Joint voting authority
2.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole284
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings284
Rows:
ADVISORS INNER CIRCLE FD II
SOLEShares7.38M
TypeSH
Market value$322.06M
9.03%
Sole
7.38M
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares1.38M
TypeSH
Market value$257.02M
7.21%
Sole
1.38M
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares361.60K
TypeSH
Market value$187.29M
5.25%
Sole
361.60K
Shared
0.00
None
0.00
META PLATFORMS INC
SOLEShares147.38K
TypeSH
Market value$108.23M
3.03%
Sole
147.38K
Shared
0.00
None
0.00
APPLE INC
SOLEShares380.02K
TypeSH
Market value$96.76M
2.71%
Sole
380.02K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares373.88K
TypeSH
Market value$90.89M
2.55%
Sole
373.88K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares390.61K
TypeSH
Market value$85.77M
2.40%
Sole
390.61K
Shared
2.00
None
0.00
SPDR SERIES TRUST
SOLEShares2.52M
TypeSH
Market value$85.38M
2.39%
Sole
2.52M
Shared
0.00
None
0.00
VANGUARD SCOTTSDALE FDS
SOLEShares1.71M
TypeSH
Market value$80.09M
2.25%
Sole
1.71M
Shared
0.00
None
0.00
ISHARES TR
SOLEShares3.26M
TypeSH
Market value$75.33M
2.11%
Sole
3.26M
Shared
0.00
None
0.00
BROADCOM INC
SOLEShares205.89K
TypeSH
Market value$67.92M
1.90%
Sole
205.89K
Shared
0.00
None
0.00
LAM RESEARCH CORP
SOLEShares504.12K
TypeSH
Market value$67.50M
1.89%
Sole
504.12K
Shared
0.00
None
0.00
NETFLIX INC
SOLEShares54.95K
TypeSH
Market value$65.88M
1.85%
Sole
54.95K
Shared
0.00
None
0.00
ARISTA NETWORKS INC
SOLEShares402.48K
TypeSH
Market value$58.65M
1.64%
Sole
402.48K
Shared
0.00
None
0.00
SCHWAB CHARLES CORP
SOLEShares611.67K
TypeSH
Market value$58.40M
1.64%
Sole
611.67K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares100.33K
TypeSH
Market value$57.07M
1.60%
Sole
100.33K
Shared
0.00
None
0.00
VISA INC
SOLEShares167.09K
TypeSH
Market value$57.04M
1.60%
Sole
167.09K
Shared
0.00
None
0.00
SHOPIFY INC
SOLEShares338.24K
TypeSH
Market value$50.27M
1.41%
Sole
338.24K
Shared
0.00
None
0.00
SERVICENOW INC
SOLEShares52.98K
TypeSH
Market value$48.75M
1.37%
Sole
52.98K
Shared
0.00
None
0.00
BLACKSTONE INC
SOLEShares239.17K
TypeSH
Market value$40.86M
1.15%
Sole
239.17K
Shared
0.00
None
0.00
SPDR SERIES TRUST
SOLEShares1.33M
TypeSH
Market value$39.12M
1.10%
Sole
1.33M
Shared
0.00
None
0.00
ELI LILLY & CO
SOLEShares44.55K
TypeSH
Market value$33.99M
0.95%
Sole
44.55K
Shared
0.00
None
0.00
SNOWFLAKE INC
SOLEShares148.11K
TypeSH
Market value$33.41M
0.94%
Sole
148.11K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares347.58K
TypeSH
Market value$32.45M
0.91%
Sole
347.58K
Shared
0.00
None
0.00
MICROCHIP TECHNOLOGY INC.
SOLEShares472.34K
TypeSH
Market value$30.33M
0.85%
Sole
472.34K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ADVISORS INNER CIRCLE FD IISOLE | CASTLEARK LARGE | 7.38M | SH | $322.06M 9.03% | 7.38M | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 1.38M | SH | $257.02M 7.21% | 1.38M | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 361.60K | SH | $187.29M 5.25% | 361.60K | 0.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 147.38K | SH | $108.23M 3.03% | 147.38K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 380.02K | SH | $96.76M 2.71% | 380.02K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 373.88K | SH | $90.89M 2.55% | 373.88K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 390.61K | SH | $85.77M 2.40% | 390.61K | 2.00 | 0.00 |
SPDR SERIES TRUSTSOLE | PORTFOLIO INTRMD | 2.52M | SH | $85.38M 2.39% | 2.52M | 0.00 | 0.00 |
VANGUARD SCOTTSDALE FDSSOLE | MTG-BKD SECS ETF | 1.71M | SH | $80.09M 2.25% | 1.71M | 0.00 | 0.00 |
ISHARES TRSOLE | US TREAS BD ETF | 3.26M | SH | $75.33M 2.11% | 3.26M | 0.00 | 0.00 |
BROADCOM INCSOLE | COM | 205.89K | SH | $67.92M 1.90% | 205.89K | 0.00 | 0.00 |
LAM RESEARCH CORPSOLE | COM NEW | 504.12K | SH | $67.50M 1.89% | 504.12K | 0.00 | 0.00 |
NETFLIX INCSOLE | COM | 54.95K | SH | $65.88M 1.85% | 54.95K | 0.00 | 0.00 |
ARISTA NETWORKS INCSOLE | COM SHS | 402.48K | SH | $58.65M 1.64% | 402.48K | 0.00 | 0.00 |
SCHWAB CHARLES CORPSOLE | COM | 611.67K | SH | $58.40M 1.64% | 611.67K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 100.33K | SH | $57.07M 1.60% | 100.33K | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 167.09K | SH | $57.04M 1.60% | 167.09K | 0.00 | 0.00 |
SHOPIFY INCSOLE | CL A SUB VTG SHS | 338.24K | SH | $50.27M 1.41% | 338.24K | 0.00 | 0.00 |
SERVICENOW INCSOLE | COM | 52.98K | SH | $48.75M 1.37% | 52.98K | 0.00 | 0.00 |
BLACKSTONE INCSOLE | COM | 239.17K | SH | $40.86M 1.15% | 239.17K | 0.00 | 0.00 |
SPDR SERIES TRUSTSOLE | PORTFOLIO SH TSR | 1.33M | SH | $39.12M 1.10% | 1.33M | 0.00 | 0.00 |
ELI LILLY & COSOLE | COM | 44.55K | SH | $33.99M 0.95% | 44.55K | 0.00 | 0.00 |
SNOWFLAKE INCSOLE | COM SHS | 148.11K | SH | $33.41M 0.94% | 148.11K | 0.00 | 0.00 |
ISHARES TRSOLE | MSCI EAFE ETF | 347.58K | SH | $32.45M 0.91% | 347.58K | 0.00 | 0.00 |
MICROCHIP TECHNOLOGY INC.SOLE | COM | 472.34K | SH | $30.33M 0.85% | 472.34K | 0.00 | 0.00 |
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