# EDGAR Filing Document

**Accession Number:** 0001546172
**File Stem:** 0002073679-26-000027
**Filing Date:** 2026-2
**Character Count:** 7813
**Document Hash:** 3e92795ab36d3269ea5793e383178b37
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002073679-26-000027.hdr.sgml**: 20260217

**ACCESSION NUMBER**: 0002073679-26-000027

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260217

**DATE AS OF CHANGE**: 20260217

**EFFECTIVENESS DATE**: 20260217

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WESTERLY CAPITAL MANAGEMENT, LLC
- **CENTRAL INDEX KEY:** 0001546172

**ORGANIZATION NAME:**
- **EIN:** 204413823
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-16658
- **FILM NUMBER:** 26640222

**BUSINESS ADDRESS:**
- **STREET 1:** 201 MISSION STREET
- **STREET 2:** SUITE 580
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105
- **BUSINESS PHONE:** 415-547-9000

**MAIL ADDRESS:**
- **STREET 1:** 201 MISSION STREET
- **STREET 2:** SUITE 580
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** WESTERLY CAPITAL MANAGEMENT LLC<br>**Address:** 201 MISSION STREET<br>SUITE 580<br>SAN FRANCISCO, CA 94105

**Form 13F File Number:** 028-16658

**CRD Number (if applicable):** 000140089

**SEC File Number (if applicable):** 801-126291

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Anders Kamperin<br>**Title:** Chief Operating Officer and Chief Compliance Officer<br>**Phone:** 415-512-9200

**Signature, Place, and Date of Signing:**

Anders Kamperin  San Francisco, CA  02-17-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 41

**Form 13F Information Table Value Total:** $455333420

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ADTRAN HOLDINGS INC | COM | 00486H105 |  | 6083000 | 700000 | SH |  | SOLE |  | 700000 | 0 | 0 |
| AMBARELLA INC | SHS | G037AX101 |  | 6021400 | 85000 | SH |  | SOLE |  | 85000 | 0 | 0 |
| AMPLITUDE INC | COM CL A | 03213A104 |  | 5790000 | 500000 | SH |  | SOLE |  | 500000 | 0 | 0 |
| ANGI INC | CL A NEW | 00183L201 |  | 6465000 | 500000 | SH |  | SOLE |  | 500000 | 0 | 0 |
| ARTERIS INC | COM | 04302A104 |  | 20072500 | 1295000 | SH |  | SOLE |  | 1295000 | 0 | 0 |
| ASANA INC | CL A | 04342Y104 |  | 3427500 | 250000 | SH |  | SOLE |  | 250000 | 0 | 0 |
| BAIDU INC | SPON ADR REP A | 056752108 |  | 6533000 | 50000 | SH |  | SOLE |  | 50000 | 0 | 0 |
| BLACKLINE INC | COM | 09239B109 |  | 4976100 | 90000 | SH |  | SOLE |  | 90000 | 0 | 0 |
| BLOOM ENERGY CORP | COM CL A | 093712107 |  | 13033500 | 150000 | SH |  | SOLE |  | 150000 | 0 | 0 |
| COGNEX CORP | COM | 192422103 |  | 3598000 | 100000 | SH |  | SOLE |  | 100000 | 0 | 0 |
| COGNYTE SOFTWARE LTD | ORD SHS | M25133105 |  | 10857000 | 1155000 | SH |  | SOLE |  | 1155000 | 0 | 0 |
| COMSCORE INC | COM NEW | 20564W204 |  | 3055000 | 470000 | SH |  | SOLE |  | 470000 | 0 | 0 |
| CORNING INC | COM | 219350105 |  | 5253600 | 60000 | SH |  | SOLE |  | 60000 | 0 | 0 |
| COURSERA INC | COM | 22266M104 |  | 7360000 | 1000000 | SH |  | SOLE |  | 1000000 | 0 | 0 |
| CSG SYS INTL INC | COM | 126349109 |  | 383450 | 5000 | SH |  | SOLE |  | 5000 | 0 | 0 |
| ELASTIC N V | ORD SHS | N14506104 |  | 16596800 | 220000 | SH |  | SOLE |  | 220000 | 0 | 0 |
| ENPHASE ENERGY INC | COM | 29355A107 |  | 5608750 | 175000 | SH |  | SOLE |  | 175000 | 0 | 0 |
| FIRST SOLAR INC | COM | 336433107 |  | 4179680 | 16000 | SH |  | SOLE |  | 16000 | 0 | 0 |
| FLUOR CORP NEW | COM | 343412102 |  | 7926000 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| FRESHWORKS INC | CLASS A COM | 358054104 |  | 12862500 | 1050000 | SH |  | SOLE |  | 1050000 | 0 | 0 |
| GENIUS SPORTS LIMITED | SHARES CL A | G3934V109 |  | 1102000 | 100000 | SH |  | SOLE |  | 100000 | 0 | 0 |
| HARTE HANKS INC | COM | 416196202 |  | 1887270 | 627000 | SH |  | SOLE |  | 627000 | 0 | 0 |
| HIPPO HLDGS INC | COM NEW | 433539202 |  | 12633600 | 420000 | SH |  | SOLE |  | 420000 | 0 | 0 |
| HUDSON TECHNOLOGIES INC | COM | 444144109 |  | 17467500 | 2550000 | SH |  | SOLE |  | 2550000 | 0 | 0 |
| INVESCO QQQ TR | PUT | 46090E953 |  | 122862000 | 200000 | SH | Put | SOLE |  | 0 | 0 | 200000 |
| LUMEN TECHNOLOGIES INC | COM | 550241103 |  | 6216000 | 800000 | SH |  | SOLE |  | 800000 | 0 | 0 |
| MARVELL TECHNOLOGY INC | COM | 573874104 |  | 16996000 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| MATRIX SVC CO | COM | 576853105 |  | 11559600 | 988000 | SH |  | SOLE |  | 988000 | 0 | 0 |
| NEXTDOOR HOLDINGS INC | COM CL A | 65345M108 |  | 9450000 | 4500000 | SH |  | SOLE |  | 4500000 | 0 | 0 |
| NIKE INC | CL B | 654106103 |  | 12742000 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| NOKIA CORP | SPONSORED ADR | 654902204 |  | 8734500 | 1350000 | SH |  | SOLE |  | 1350000 | 0 | 0 |
| NWPX INFRASTRUCTURE INC | COM | 667746101 |  | 3124500 | 50000 | SH |  | SOLE |  | 50000 | 0 | 0 |
| ORION GROUP HLDGS INC | COM | 68628V308 |  | 1491000 | 150000 | SH |  | SOLE |  | 150000 | 0 | 0 |
| PAGERDUTY INC | COM | 69553P100 |  | 5729070 | 437000 | SH |  | SOLE |  | 437000 | 0 | 0 |
| SNAP INC | CL A | 83304A106 |  | 4842000 | 600000 | SH |  | SOLE |  | 600000 | 0 | 0 |
| SPS COMM INC | COM | 78463M107 |  | 2673900 | 30000 | SH |  | SOLE |  | 30000 | 0 | 0 |
| TERADATA CORP DEL | COM | 88076W103 |  | 6849000 | 225000 | SH |  | SOLE |  | 225000 | 0 | 0 |
| TRANSALTA CORP | COM | 89346D107 |  | 10175200 | 805000 | SH |  | SOLE |  | 805000 | 0 | 0 |
| UDEMY INC | COM | 902685106 |  | 23400000 | 4000000 | SH |  | SOLE |  | 4000000 | 0 | 0 |
| UNIFIRST CORP MASS | COM | 904708104 |  | 4822500 | 25000 | SH |  | SOLE |  | 25000 | 0 | 0 |
| VIAVI SOLUTIONS INC | COM | 925550105 |  | 20493000 | 1150000 | SH |  | SOLE |  | 1150000 | 0 | 0 |

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