Arkolith/Funds/Westerly Capital Management, LLC

Westerly Capital Management, LLC

CIK 1546172Hedge fund
Holdings as of Jun 30, 2026·disclosed Aug 14, 2026·~45-day 13F lag·13F-HR
Active Filer

Westerly Capital Management, LLC holds a focused book of 46 stocks worth $541.8M as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). This quarter they opened Invesco QQQ Trust Series 1 P @ 680 Aug 26 and trimmed Enphase Energy Inc. Their largest long position is Invesco QQQ Trust Series 1 P @ 680 Aug 26 at 24% of the equity book.

Opened
24
bought for the first time
Added to
12
already held, bought more
Trimmed
17
sold some, still holds it
Sold out
6
exited the position entirely

Concentration

Top-heavy: focused book

Top 5 holdings
43%
Top 10 holdings
58%
Top 20 holdings
77%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

75% mapped to company sectors

Information Technology
47%
ETF / fund or unclassified
25%
Industrials
14%
Communication Services
8%
Financials
3%
Consumer Discretionary
1%
Utilities
1%
Materials
1%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Funds with the most overlap

Other tracked managers holding the same core names as Westerly Capital Management, LLC

Manager / fundShared namesTheir $ in those
MORGAN STANLEY55 / 46$95.9B
UBS Group AG55 / 46$27.2B
BlackRock, Inc.54 / 46$486.3B
WELLS FARGO & COMPANY/MN54 / 46$17.9B
JPMORGAN CHASE & CO53 / 46$96.3B
BANK OF AMERICA CORP /DE/53 / 46$54.7B
OSAIC HOLDINGS, INC.53 / 46$2.1B
STATE STREET CORP52 / 46$300.7B

Ranked by the share of each fund's own book sitting in the names it shares with Westerly Capital Management, LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

46 positions
#SecurityValueShares% PortLast moveHistory
1Invesco QQQ Trust Series 1 P @ 680 Aug 26
PUT
$128.9M175.0K
23.8%
New
New position
2Coursera Inc
COM
$34.3M6.08M
6.3%
+258%
Added · +4.4M sh
3Viavi Solutions Inc
COM
$27.5M575.0K
5.1%
+35%
Added · +150K sh
4Arista Networks Inc
COM SHS
$21.2M125.0K
3.9%
New
New position
5Asana Inc - CL A
CL A
$21.2M3.03M
3.9%
+138%
Added · +1.8M sh
6Hudson Technologies Inc(nas)
COM
$19.4M3.38M
3.6%
+6.5%
Added · +205K sh
7Hippo Holdings Inc
COM NEW
$18.2M645.0K
3.4%
+29%
Added · +145K sh
8Adobe Inc
COM
$15.0M73.0K
2.8%
New
New position
9Fluor Corp
COM
$14.8M283.0K
2.7%
+13%
Added · +33K sh
10Salesforce Inc
COM
$14.4M92.0K
2.7%
New
New position
11Enphase Energy Inc(nms)
COM
$13.5M275.0K
2.5%
−31%
Reduced · −125K sh
12Nokia Corp-Spon ADR
SPONSORED ADR
$13.3M1.00M
2.5%
−44%
Reduced · −800K sh
13Cognex Corp(nsm)
COM
$12.3M170.0K
2.3%
+36%
Added · +45K sh
14Nextdoor Holdings Inc
COM CL A
$11.0M4.85M
2.0%
−12%
Reduced · −650K sh
15Lumen Technologies Inc
COM
$10.8M1.40M
2.0%
−36%
Reduced · −800K sh
16Comscore Inc(nsm)
COM NEW
$9.7M1.31M
1.8%
+46%
Added · +414K sh
17Nextpower Inc-CL A
CLASS A COM
$8.9M75.0K
1.6%
New
New position
18Guidewire Software Inc
COM
$8.6M70.0K
1.6%
New
New position
19Matrix Service Co
COM
$8.2M595.9K
1.5%
−38%
Reduced · −369K sh
20Freshworks Inc-CL A
CLASS A COM
$8.1M800.0K
1.5%
−58%
Reduced · −1.1M sh
21Calix Inc
COM
$7.7M205.0K
1.4%
New
New position
22Aevex Corp-CL A
COM CL A
$7.1M340.0K
1.3%
New
New position
23Amphenol Corp-CL A(nys)
CL A
$7.1M40.0K
1.3%
New
New position
24Blackline Inc
COM
$7.0M250.0K
1.3%
−19%
Reduced · −60K sh
25Orion Group Holdings Inc
COM
$7.0M415.0K
1.3%
−5.7%
Reduced · −25K sh
26Adtran Holdings Inc
COM
$7.0M500.0K
1.3%
−38%
Reduced · −300K sh
27Ambarella Inc(nsm)
SHS
$6.9M80.0K
1.3%
−38%
Reduced · −50K sh
28Cognyte Software Ltd
ORD SHS
$6.7M760.0K
1.2%
−39%
Reduced · −480K sh
29Cisco Systems Inc
COM
$6.5M55.0K
1.2%
−76%
Reduced · −170K sh
30Ferrari NV
COM
$6.3M17.0K
1.2%
New
New position
31Nvidia Corp
COM
$6.0M30.0K
1.1%
New
New position
32Applied Aerospace & Defense
COMMON STOCK
$5.7M250.0K
1.1%
New
New position
33Transalta Corp(nys)
COM
$5.5M400.0K
1.0%
−16%
Reduced · −75K sh
34Netflix Inc
COM
$5.0M70.0K
0.9%
New
New position
35Bloom Energy Corp- A
COM CL A
$4.5M15.0K
0.8%
−70%
Reduced · −35K sh
36Figma Inc-CL A
CLASS A COM STK
$4.5M250.0K
0.8%
Held
37Snowflake Inc P @ 220 Sep 26
PUT
$3.8M15.0K
0.7%
New
New position
38First Solar Inc(nsm)
COM
$3.5M15.0K
0.7%
+50%
Added · +5K sh
39Elastic NV
ORD SHS
$2.9M50.0K
0.5%
−67%
Reduced · −100K sh
40Guardian Metal Resources
SPONSORED ADS
$2.8M200.0K
0.5%
200×
Added · +199K sh
41Angi Inc
CL A NEW
$2.6M440.9K
0.5%
−28%
Reduced · −174K sh
42Arm Holdings PLC P @ 300 Aug 26
PUT
$1.8M5.0K
0.3%
New
New position
43Amplitude Inc-Class A
COM CL A
$1.5M200.0K
0.3%
−60%
Reduced · −300K sh
44Harte-Hanks Inc(nms)
COM
$1.4M635.0K
0.3%
+1.3%
Added · +8K sh
45Aviat Networks Inc
COM NEW
$1.1M50.0K
0.2%
New
New position
46Sunpower Inc
COM
$687K1.00M
0.1%
+54%
Added · +350K sh
Showing all 46 positions
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Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q2 2026Jun 30, 2026Aug 14, 202646$541.8M13F-HR
Q1 2026Mar 31, 2026May 15, 202637$367.8M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202641$455.3M13F-HR
Q3 2025Sep 30, 2025Nov 14, 202544$319.1M13F-HR
Q2 2025Jun 30, 2025Aug 14, 202542$269.6M13F-HR
Q1 2025Mar 31, 2025May 15, 202538$231.3M13F-HR
Q4 2024Dec 31, 2024Feb 14, 202544$216.6M13F-HR
Q3 2024Sep 30, 2024Nov 14, 202441$177.9M13F-HR
Q2 2024Jun 30, 2024Aug 14, 202441$200.9M13F-HR
Q1 2024Mar 31, 2024May 15, 202448$263.7M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.