2026 Q2 Portfolio Activity
In 2026 Q2, ARDSLEY ADVISORY PARTNERS LP maintained a portfolio of 219 distinct positions. The most significant new addition was EVERPURE INC, now representing 1.91% of the total fund value. They heavily accumulated shares in ADVANCED MICRO DEVICES INC, increasing the position by 1062.5%. Conversely, ARDSLEY ADVISORY PARTNERS LP completely exited their position in STATE STR SPDR S&P 500 ETF T.
Position History
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Total Positions
219
Quarter
2026 Q2
Top Holding
SNDK (5.9%)
Top 10 Concentration
30.3%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 219
ARDSLEY ADVISORY PARTNERS LP Full Holdings List — 2026 Q2
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SNDK
SANDISK CORP
|
Technology | 5.90% | 3.41% |
#1
3
Prev: #4
|
4.4 |
—
|
-17,000 | -40.5% |
P
S
|
25,000 | $56,690,500 |
$234.55
+574.0%
|
2012 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | ||
|
AMD
ADVANCED MICRO ...
|
Technology | 5.63% | 0.21% |
#2
99
Prev: #101
|
6.8 |
—
|
85,000 | 1062.5% |
P
S
|
93,000 | $54,024,630 |
$55.17
+745.4%
|
2013 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | ||
|
SEZL
SEZZLE INC
|
Financial Services | 3.84% | 2.42% |
#3
6
Prev: #9
|
2.5 |
—
|
-85,000 | -28.3% |
P
S
|
215,000 | $36,900,450 |
$63.44
+84.7%
|
2025 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | ||
|
WULF
TERAWULF INC
|
Financial Services | 2.47% | 1.93% |
#4
11
Prev: #15
|
2.0 |
—
|
-84,000 | -8.0% |
P
S
|
966,000 | $23,686,320 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
BTSG
BRIGHTSPRING HE...
|
Healthcare | 2.36% | 1.90% |
#5
11
Prev: #16
|
1.9 |
—
|
-25,000 | -7.1% |
P
S
|
325,000 | $22,665,500 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
EBAY
EBAY INC.
|
Consumer Cyclical | 2.32% | 1.63% |
#6
13
Prev: #19
|
3.4 |
—
|
60,500 | 43.1% |
P
S
|
201,000 | $22,261,554 | 2000 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
RUN
SUNRUN INC
|
Technology | 2.23% | 1.96% |
#7
6
Prev: #13
|
3.4 |
—
|
465,000 | 41.0% |
P
S
|
1,600,000 | $21,408,000 | 2016 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
VIAV
VIAVI SOLUTIONS...
|
Technology | 1.94% | 1.70% |
#8
10
Prev: #18
|
1.3 |
—
|
-10,000 | -2.5% |
P
S
|
390,000 | $18,622,500 | 2016 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
PSTG
EVERPURE INC
|
Technology | 1.91% | — |
#9
Prev: #—
|
4.3 |
—
|
233,000 | — |
NEW
|
233,000 | $18,302,150 | 2016 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ARM
ARM HOLDINGS PL...
|
Technology | 1.73% | 0.35% |
#10
66
Prev: #76
|
3.7 |
—
|
29,000 | 161.1% |
P
S
|
47,000 | $16,623,900 | 2024 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
SHLS
SHOALS TECHNOLO...
|
Technology | 1.72% | 1.90% |
#11
6
Prev: #17
|
0.7 |
—
|
-595,000 | -26.3% |
P
S
|
1,665,000 | $16,483,500 | 2023 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 1.71% | 2.81% |
#12
7
Prev: #5
|
0.7 |
—
|
-37,000 | -34.9% |
P
S
|
69,000 | $16,445,460 | 2004 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
UTHR
UNITED THERAPEU...
|
Healthcare | 1.69% | 3.78% |
#13
11
Prev: #2
|
0.7 |
—
|
-20,000 | -40.0% |
P
S
|
30,000 | $16,254,900 | 2012 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
TEVA
TEVA PHARMACEUT...
|
Healthcare | 1.64% | 2.13% |
#14
4
Prev: #10
|
1.2 |
—
|
-90,000 | -16.2% |
P
S
|
465,000 | $15,754,200 | 2009 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
GOOG
ALPHABET INC
|
Communication Services | 1.60% | 1.10% |
#15
10
Prev: #25
|
3.1 |
—
|
13,500 | 45.0% |
P
S
|
43,500 | $15,347,670 | 2004 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
PANW
PALO ALTO NETWO...
|
Technology | 1.52% | — |
#16
Prev: #—
|
4.1 |
—
|
43,000 | — |
NEW
|
43,000 | $14,638,060 | 2015 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
TWLO
TWILIO INC
|
Technology | 1.48% | 0.76% |
#17
25
Prev: #42
|
3.1 |
—
|
21,800 | 46.2% |
P
S
|
69,000 | $14,236,770 | 2018 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
PRIM
PRIMORIS SVCS C...
|
Industrials | 1.39% | — |
#18
Prev: #—
|
4.1 |
—
|
135,000 | — |
NEW
|
135,000 | $13,383,900 | 2012 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
AAPL
APPLE INC
|
Technology | 1.35% | — |
#19
Prev: #—
|
4.0 |
—
|
45,000 | — |
NEW
|
45,000 | $13,005,000 | 2005 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ZM
ZOOM COMMUNICAT...
|
Technology | 1.30% | 0.85% |
#20
16
Prev: #36
|
3.5 |
—
|
62,000 | 74.7% |
P
S
|
145,000 | $12,514,950 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
MOD
MODINE MFG CO
|
Consumer Cyclical | 1.25% | 2.52% |
#21
13
Prev: #8
|
0.5 |
—
|
-46,100 | -50.6% |
P
S
|
45,000 | $12,015,900 | 2023 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ONTO
ONTO INNOVATION...
|
Technology | 1.24% | — |
#22
Prev: #—
|
4.0 |
—
|
31,500 | — |
NEW
|
31,500 | $11,921,175 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
SNX
TD SYNNEX CORPO...
|
Technology | 1.21% | — |
#23
Prev: #—
|
4.0 |
—
|
43,500 | — |
NEW
|
43,500 | $11,629,290 | 2022 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
BKD
CALL
BROOKDALE SR LI...
|
CALL Option | 1.16% | 1.20% |
#24
1
Prev: #23
|
1.5 |
—
|
no change | no change |
P
S
|
690,000 | $11,102,100 | 2006 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ENPH
ENPHASE ENERGY ...
|
Technology | 1.12% | 0.41% |
#25
46
Prev: #71
|
3.4 |
—
|
135,000 | 158.8% |
P
S
|
220,000 | $10,782,200 | 2012 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ALGT
ALLEGIANT TRAVE...
|
Industrials | 1.10% | — |
#26
Prev: #—
|
3.9 |
—
|
90,000 | — |
NEW
|
90,000 | $10,584,000 | 2026 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
OKTA
OKTA INC
|
Technology | 1.09% | 0.68% |
#27
20
Prev: #47
|
2.4 |
—
|
8,900 | 13.2% |
P
S
|
76,500 | $10,438,425 | 2017 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
EQIX
EQUINIX INC
|
Real Estate | 1.09% | 0.99% |
#28
Prev: #28
|
2.9 |
—
|
2,050 | 25.8% |
P
S
|
10,000 | $10,423,900 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
HUT
HUT 8 CORP
|
Financial Services | 1.08% | 0.90% |
#29
4
Prev: #33
|
0.4 |
—
|
-60,000 | -40.0% |
P
S
|
90,000 | $10,390,050 | 2024 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
AMLP
ALPS ETF TR
|
ETF | 1.08% | 1.34% |
#30
10
Prev: #20
|
1.4 |
—
|
no change | no change |
P
S
|
200,000 | $10,370,000 | 2021 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
OSCR
OSCAR HEALTH IN...
|
Healthcare | 1.04% | — |
#31
Prev: #—
|
3.9 |
—
|
350,000 | — |
NEW
|
350,000 | $9,982,000 | 2023 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
BE
BLOOM ENERGY CO...
|
Industrials | 0.98% | 0.22% |
#32
67
Prev: #99
|
3.4 |
—
|
18,000 | 138.5% |
P
S
|
31,000 | $9,399,200 | 2005 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
CIFR
CIPHER DIGITAL ...
|
Technology | 0.96% | 0.74% |
#33
10
Prev: #43
|
0.9 |
—
|
-75,000 | -16.7% |
P
S
|
375,000 | $9,179,963 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
NU
NU HLDGS LTD
|
Financial Services | 0.94% | 1.24% |
#34
12
Prev: #22
|
1.4 |
—
|
no change | no change |
P
S
|
675,000 | $9,004,500 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
N/A
CEREBRAS SYSTEM...
|
|
Unknown | 0.90% | — |
#35
Prev: #—
|
3.9 |
—
|
39,000 | — |
NEW
|
39,000 | $8,658,000 | — | 13F Filing | 2026-06-30 | 2026-07-13 | ||
|
LITE
LUMENTUM HLDGS ...
|
Technology | 0.89% | 0.56% |
#36
19
Prev: #55
|
3.4 |
—
|
3,800 | 61.3% |
P
S
|
10,000 | $8,525,100 | 2016 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
RELY
REMITLY GLOBAL ...
|
Technology | 0.88% | — |
#37
Prev: #—
|
3.9 |
—
|
375,000 | — |
NEW
|
375,000 | $8,403,750 | 2015 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
DVN
DEVON ENERGY CO...
|
Energy | 0.86% | — |
#38
Prev: #—
|
3.8 |
—
|
200,000 | — |
NEW
|
200,000 | $8,260,000 | 2000 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
AVGO
BROADCOM INC
|
Technology | 0.83% | 3.53% |
#39
36
Prev: #3
|
0.3 |
—
|
-68,500 | -76.5% |
P
S
|
21,000 | $7,927,290 | 2016 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ALK
ALASKA AIR GROU...
|
Industrials | 0.82% | 0.77% |
#40
Prev: #40
|
0.8 |
—
|
-15,000 | -9.1% |
P
S
|
150,000 | $7,830,000 | 2023 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
GLW
CORNING INC
|
Technology | 0.80% | — |
#41
Prev: #—
|
3.8 |
—
|
30,000 | — |
NEW
|
30,000 | $7,662,300 | 2006 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
FLR
FLUOR CORP
|
Industrials | 0.78% | 0.49% |
#42
18
Prev: #60
|
3.3 |
—
|
60,000 | 72.7% |
P
S
|
142,500 | $7,465,575 | 2010 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
VRTX
VERTEX PHARMACE...
|
Healthcare | 0.78% | — |
#43
Prev: #—
|
3.8 |
—
|
15,000 | — |
NEW
|
15,000 | $7,450,950 | 2016 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
VCYT
VERACYTE INC
|
Healthcare | 0.76% | 0.51% |
#44
13
Prev: #57
|
1.3 |
—
|
no change | no change |
P
S
|
125,000 | $7,341,250 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
SMTC
SEMTECH CORP
|
Technology | 0.76% | 2.54% |
#45
38
Prev: #7
|
0.3 |
—
|
-213,750 | -82.6% |
P
S
|
45,000 | $7,283,250 | 2016 Q3 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
JAZZ
JAZZ PHARMACEUT...
|
Healthcare | 0.75% | — |
#46
Prev: #—
|
3.8 |
—
|
30,000 | — |
NEW
|
30,000 | $7,229,100 | 2012 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
GSM
FERROGLOBE PLC
|
Basic Materials | 0.72% | — |
#47
Prev: #—
|
3.8 |
—
|
2,185,000 | — |
NEW
|
2,185,000 | $6,948,300 | 2016 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
AKAM
AKAMAI TECHNOLO...
|
Technology | 0.69% | — |
#48
Prev: #—
|
3.8 |
—
|
56,000 | — |
NEW
|
56,000 | $6,619,760 | 2007 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
ORCL
CALL
ORACLE CORP
|
CALL Option | 0.69% | — |
#49
Prev: #—
|
3.8 |
—
|
45,000 | — |
NEW
|
45,000 | $6,594,750 | 1999 Q2 | 13F Filing | 2026-06-30 | 2026-07-13 | |||
|
VZ
VERIZON COMMUNI...
|
Communication Services | 0.68% | 0.83% |
#50
13
Prev: #37
|
2.3 |
—
|
25,000 | 19.2% |
P
S
|
155,000 | $6,568,900 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-07-13 |
Showing 1-50 of 219 holdings