Filed: 8/14/2025ACC: 0001172661-25-003308
📋 What this filing means
ARDSLEY ADVISORY PARTNERS LP filed this quarterly 13F‑HR report disclosing 128 equity positions with a total reported market value of $760.62M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
128
Positions
$760.62M
Total AUM (reported)
27.65M
Total Shares
Allocation by class
COM$461.85M60.7%
COM CL A$58.23M7.7%
TR UNIT$30.89M4.1%
SPONSORED ADS$29.27M3.8%
SHS$26.30M3.5%
COM SHS$24.63M3.2%
CL A$18.61M2.4%
Portfolio Concentration
Top 3$110.22M14.5%
4–10$156.99M20.6%
11–25$175.54M23.1%
Rest$317.87M41.8%
Top 3 weight
14.5%
Top 10 weight
35.1%
Voting Authority Distribution
Total shares with voting rights: 27.65M
Sole
Full voting authority
27.65M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole128
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings128
Rows:
FLUOR CORP NEW
SOLEShares871K
TypeSH
Market value$44.66M
5.87%
Sole
871K
Shared
0.00
None
0.00
MARVELL TECHNOLOGY INC
SOLEShares448K
TypeSH
Market value$34.68M
4.56%
Sole
448K
Shared
0.00
None
0.00
SPDR S&P 500 ETF TR
SOLEShares50K
TypeSH
Market value$30.89M
4.06%
Sole
50K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares49K
TypeSH
Market value$24.37M
3.20%
Sole
49K
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares151K
TypeSH
Market value$23.80M
3.13%
Sole
151K
Shared
0.00
None
0.00
ARISTA NETWORKS INC
SOLEShares218K
TypeSH
Market value$22.30M
2.93%
Sole
218K
Shared
0.00
None
0.00
ADVANCED MICRO DEVICES INC
SOLEShares155K
TypeSH
Market value$21.99M
2.89%
Sole
155K
Shared
0.00
None
0.00
ORACLE CORP
SOLEShares100K
TypeSH
Market value$21.86M
2.87%
Sole
100K
Shared
0.00
None
0.00
ARM HOLDINGS PLC
SOLEShares132.50K
TypeSH
Market value$21.43M
2.82%
Sole
132.50K
Shared
0.00
None
0.00
BROADCOM INC
SOLEShares77K
TypeSH
Market value$21.23M
2.79%
Sole
77K
Shared
0.00
None
0.00
CELESTICA INC
SOLEShares135K
TypeSH
Market value$21.07M
2.77%
Sole
135K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares63K
TypeSH
Market value$13.82M
1.82%
Sole
63K
Shared
0.00
None
0.00
AFFIRM HLDGS INC
SOLEShares197K
TypeSH
Market value$13.53M
1.78%
Sole
197K
Shared
0.00
None
0.00
BWX TECHNOLOGIES INC
SOLEShares85K
TypeSH
Market value$12.25M
1.61%
Sole
85K
Shared
0.00
None
0.00
HUMANA INC
SOLEShares50K
TypeSH
Market value$12.22M
1.61%
Sole
50K
Shared
0.00
None
0.00
SERVICENOW INC
SOLEShares11.50K
TypeSH
Market value$11.82M
1.55%
Sole
11.50K
Shared
0.00
None
0.00
NETFLIX INC
SOLEShares8.50K
TypeSH
Market value$11.38M
1.50%
Sole
8.50K
Shared
0.00
None
0.00
HUT 8 CORP
SOLEShares600K
TypeSH
Market value$11.16M
1.47%
Sole
600K
Shared
0.00
None
0.00
INDIVIOR PLC
SOLEShares725K
TypeSH
Market value$10.69M
1.40%
Sole
725K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares58K
TypeSH
Market value$10.29M
1.35%
Sole
58K
Shared
0.00
None
0.00
TE CONNECTIVITY PLC
SOLEShares59.50K
TypeSH
Market value$10.04M
1.32%
Sole
59.50K
Shared
0.00
None
0.00
MIRION TECHNOLOGIES INC
SOLEShares463.22K
TypeSH
Market value$9.97M
1.31%
Sole
463.22K
Shared
0.00
None
0.00
DAVE INC
SOLEShares35K
TypeSH
Market value$9.39M
1.24%
Sole
35K
Shared
0.00
None
0.00
CORE SCIENTIFIC INC NEW
SOLEShares525K
TypeSH
Market value$8.96M
1.18%
Sole
525K
Shared
0.00
None
0.00
CIENA CORP
SOLEShares110K
TypeSH
Market value$8.95M
1.18%
Sole
110K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
FLUOR CORP NEWSOLE | COM | 871K | SH | $44.66M 5.87% | 871K | 0.00 | 0.00 |
MARVELL TECHNOLOGY INCSOLE | COM | 448K | SH | $34.68M 4.56% | 448K | 0.00 | 0.00 |
SPDR S&P 500 ETF TRSOLE | TR UNIT | 50K | SH | $30.89M 4.06% | 50K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 49K | SH | $24.37M 3.20% | 49K | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 151K | SH | $23.80M 3.13% | 151K | 0.00 | 0.00 |
ARISTA NETWORKS INCSOLE | COM SHS | 218K | SH | $22.30M 2.93% | 218K | 0.00 | 0.00 |
ADVANCED MICRO DEVICES INCSOLE | COM | 155K | SH | $21.99M 2.89% | 155K | 0.00 | 0.00 |
ORACLE CORPSOLE | COM | 100K | SH | $21.86M 2.87% | 100K | 0.00 | 0.00 |
ARM HOLDINGS PLCSOLE | SPONSORED ADS | 132.50K | SH | $21.43M 2.82% | 132.50K | 0.00 | 0.00 |
BROADCOM INCSOLE | COM | 77K | SH | $21.23M 2.79% | 77K | 0.00 | 0.00 |
CELESTICA INCSOLE | COM | 135K | SH | $21.07M 2.77% | 135K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 63K | SH | $13.82M 1.82% | 63K | 0.00 | 0.00 |
AFFIRM HLDGS INCSOLE | COM CL A | 197K | SH | $13.53M 1.78% | 197K | 0.00 | 0.00 |
BWX TECHNOLOGIES INCSOLE | COM | 85K | SH | $12.25M 1.61% | 85K | 0.00 | 0.00 |
HUMANA INCSOLE | COM | 50K | SH | $12.22M 1.61% | 50K | 0.00 | 0.00 |
SERVICENOW INCSOLE | COM | 11.50K | SH | $11.82M 1.55% | 11.50K | 0.00 | 0.00 |
NETFLIX INCSOLE | COM | 8.50K | SH | $11.38M 1.50% | 8.50K | 0.00 | 0.00 |
HUT 8 CORPSOLE | COM | 600K | SH | $11.16M 1.47% | 600K | 0.00 | 0.00 |
INDIVIOR PLCSOLE | ORD | 725K | SH | $10.69M 1.40% | 725K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 58K | SH | $10.29M 1.35% | 58K | 0.00 | 0.00 |
TE CONNECTIVITY PLCSOLE | ORD SHS | 59.50K | SH | $10.04M 1.32% | 59.50K | 0.00 | 0.00 |
MIRION TECHNOLOGIES INCSOLE | COM CL A | 463.22K | SH | $9.97M 1.31% | 463.22K | 0.00 | 0.00 |
DAVE INCSOLE | CLASS A COM NEW | 35K | SH | $9.39M 1.24% | 35K | 0.00 | 0.00 |
CORE SCIENTIFIC INC NEWSOLE | COM | 525K | SH | $8.96M 1.18% | 525K | 0.00 | 0.00 |
CIENA CORPSOLE | COM NEW | 110K | SH | $8.95M 1.18% | 110K | 0.00 | 0.00 |
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