Filed: 8/18/2025ACC: 0001106832-25-000006
📋 What this filing means
CASTLEARK MANAGEMENT LLC filed this quarterly 13F‑HR report disclosing 275 equity positions with a total reported market value of $3.33B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
275
Positions
$3.33B
Total AUM (reported)
40.85M
Total Shares
Allocation by class
COM$1.61B48.4%
CASTLEARK LARGE$348.41M10.5%
CL A$255.42M7.7%
COM NEW$174.49M5.2%
COM CL A$107.94M3.2%
SHS$84.68M2.5%
PORTFOLIO INTRMD$84.60M2.5%
Portfolio Concentration
Top 3$757.57M22.8%
4–10$658.32M19.8%
11–25$761.05M22.9%
Rest$1.15B34.6%
Top 3 weight
22.8%
Top 10 weight
42.6%
Voting Authority Distribution
Total shares with voting rights: 40.85M
Sole
Full voting authority
40.85M
shares
% of voting shares100.0%
Shared
Joint voting authority
3.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole275
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings275
Rows:
ADVISORS INNER CIRCLE FD II
SOLEShares8.45M
TypeSH
Market value$348.41M
10.47%
Sole
8.45M
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares1.42M
TypeSH
Market value$224.12M
6.74%
Sole
1.42M
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares371.99K
TypeSH
Market value$185.03M
5.56%
Sole
371.99K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares598.61K
TypeSH
Market value$131.33M
3.95%
Sole
598.61K
Shared
2.00
None
0.00
META PLATFORMS INC
SOLEShares152.74K
TypeSH
Market value$112.73M
3.39%
Sole
152.74K
Shared
0.00
None
0.00
NETFLIX INC
SOLEShares64.06K
TypeSH
Market value$85.79M
2.58%
Sole
64.06K
Shared
0.00
None
0.00
SPDR SERIES TRUST
SOLEShares2.52M
TypeSH
Market value$84.60M
2.54%
Sole
2.52M
Shared
0.00
None
0.00
ARISTA NETWORKS INC
SOLEShares822.61K
TypeSH
Market value$84.16M
2.53%
Sole
822.61K
Shared
0.00
None
0.00
APPLE INC
SOLEShares393.22K
TypeSH
Market value$80.68M
2.42%
Sole
393.22K
Shared
0.00
None
0.00
VANGUARD SCOTTSDALE FDS
SOLEShares1.71M
TypeSH
Market value$79.03M
2.38%
Sole
1.71M
Shared
0.00
None
0.00
VISA INC
SOLEShares216.91K
TypeSH
Market value$77.01M
2.31%
Sole
216.91K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares3.26M
TypeSH
Market value$74.87M
2.25%
Sole
3.26M
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares131.03K
TypeSH
Market value$73.63M
2.21%
Sole
131.03K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares387.51K
TypeSH
Market value$68.29M
2.05%
Sole
387.51K
Shared
0.00
None
0.00
SERVICENOW INC
SOLEShares63.34K
TypeSH
Market value$65.12M
1.96%
Sole
63.34K
Shared
0.00
None
0.00
PHILIP MORRIS INTL INC
SOLEShares337.75K
TypeSH
Market value$61.51M
1.85%
Sole
337.75K
Shared
0.00
None
0.00
LAM RESEARCH CORP
SOLEShares522.65K
TypeSH
Market value$50.87M
1.53%
Sole
522.65K
Shared
0.00
None
0.00
INTUITIVE SURGICAL INC
SOLEShares91.70K
TypeSH
Market value$49.83M
1.50%
Sole
91.70K
Shared
0.00
None
0.00
SPDR SERIES TRUST
SOLEShares1.33M
TypeSH
Market value$39.08M
1.17%
Sole
1.33M
Shared
0.00
None
0.00
ELI LILLY & CO
SOLEShares46.17K
TypeSH
Market value$35.99M
1.08%
Sole
46.17K
Shared
0.00
None
0.00
SNOWFLAKE INC
SOLEShares153.53K
TypeSH
Market value$34.36M
1.03%
Sole
153.53K
Shared
0.00
None
0.00
TRANE TECHNOLOGIES PLC
SOLEShares78.33K
TypeSH
Market value$34.26M
1.03%
Sole
78.33K
Shared
0.00
None
0.00
SHOPIFY INC
SOLEShares293.86K
TypeSH
Market value$33.90M
1.02%
Sole
293.86K
Shared
0.00
None
0.00
SCHWAB CHARLES CORP
SOLEShares342.24K
TypeSH
Market value$31.23M
0.94%
Sole
342.24K
Shared
0.00
None
0.00
BLACKSTONE INC
SOLEShares207.89K
TypeSH
Market value$31.10M
0.93%
Sole
207.89K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ADVISORS INNER CIRCLE FD IISOLE | CASTLEARK LARGE | 8.45M | SH | $348.41M 10.47% | 8.45M | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 1.42M | SH | $224.12M 6.74% | 1.42M | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 371.99K | SH | $185.03M 5.56% | 371.99K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 598.61K | SH | $131.33M 3.95% | 598.61K | 2.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 152.74K | SH | $112.73M 3.39% | 152.74K | 0.00 | 0.00 |
NETFLIX INCSOLE | COM | 64.06K | SH | $85.79M 2.58% | 64.06K | 0.00 | 0.00 |
SPDR SERIES TRUSTSOLE | PORTFOLIO INTRMD | 2.52M | SH | $84.60M 2.54% | 2.52M | 0.00 | 0.00 |
ARISTA NETWORKS INCSOLE | COM SHS | 822.61K | SH | $84.16M 2.53% | 822.61K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 393.22K | SH | $80.68M 2.42% | 393.22K | 0.00 | 0.00 |
VANGUARD SCOTTSDALE FDSSOLE | MTG-BKD SECS ETF | 1.71M | SH | $79.03M 2.38% | 1.71M | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 216.91K | SH | $77.01M 2.31% | 216.91K | 0.00 | 0.00 |
ISHARES TRSOLE | US TREAS BD ETF | 3.26M | SH | $74.87M 2.25% | 3.26M | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 131.03K | SH | $73.63M 2.21% | 131.03K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 387.51K | SH | $68.29M 2.05% | 387.51K | 0.00 | 0.00 |
SERVICENOW INCSOLE | COM | 63.34K | SH | $65.12M 1.96% | 63.34K | 0.00 | 0.00 |
PHILIP MORRIS INTL INCSOLE | COM | 337.75K | SH | $61.51M 1.85% | 337.75K | 0.00 | 0.00 |
LAM RESEARCH CORPSOLE | COM NEW | 522.65K | SH | $50.87M 1.53% | 522.65K | 0.00 | 0.00 |
INTUITIVE SURGICAL INCSOLE | COM NEW | 91.70K | SH | $49.83M 1.50% | 91.70K | 0.00 | 0.00 |
SPDR SERIES TRUSTSOLE | PORTFOLIO SH TSR | 1.33M | SH | $39.08M 1.17% | 1.33M | 0.00 | 0.00 |
ELI LILLY & COSOLE | COM | 46.17K | SH | $35.99M 1.08% | 46.17K | 0.00 | 0.00 |
SNOWFLAKE INCSOLE | CL A | 153.53K | SH | $34.36M 1.03% | 153.53K | 0.00 | 0.00 |
TRANE TECHNOLOGIES PLCSOLE | SHS | 78.33K | SH | $34.26M 1.03% | 78.33K | 0.00 | 0.00 |
SHOPIFY INCSOLE | CL A SUB VTG SHS | 293.86K | SH | $33.90M 1.02% | 293.86K | 0.00 | 0.00 |
SCHWAB CHARLES CORPSOLE | COM | 342.24K | SH | $31.23M 0.94% | 342.24K | 0.00 | 0.00 |
BLACKSTONE INCSOLE | COM | 207.89K | SH | $31.10M 0.93% | 207.89K | 0.00 | 0.00 |
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