WESTERLY CAPITAL MANAGEMENT, LLC — 13F Holdings & Portfolio
CIK 1546172 · latest 13F-HR filed 2026-05-15
WESTERLY CAPITAL MANAGEMENT, LLC manages $367.8M in 13F-reported U.S. long-equity assets across 37 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are QQQ (11.77%), UDMY (5.40%), MRVL (5.39%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 4 new positions, exited 8, added to 15, and trimmed 14.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$367.8M
Long-equity book
37
Distinct positions
2026-03-31
Filed 2026-05-15
+4 / −8 / ↑15 / ↓14
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ENPHASE ENERGY INC$9.5M +169.7%
- LUMEN TECHNOLOGIES INC$9.1M +146.0%
- BLACKLINE INC$6.5M +130.5%
- NOKIA CORP$5.7M +65.7%
- ASANA INC$4.7M +137.9%
Top Trims
- ARTERIS INC-$12.4M -61.9%
- ELASTIC N V-$9.1M -54.8%
- VIAVI SOLUTIONS INC-$6.3M -31.0%
- BLOOM ENERGY CORP-$6.3M -48.0%
- TRANSALTA CORP-$4.0M -38.8%
New Positions
- CISCO SYS INC$17.5M
- FIGMA INC$5.3M
- SUNPOWER INC$825.5K
- GUARDIAN METAL RES PLC$17.5K
Exited Positions
- NIKE INC$12.7M
- TERADATA CORP DEL$6.8M
- PAGERDUTY INC$5.7M
- SNAP INC$4.8M
- UNIFIRST CORP MASS$4.8M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | INVESCO QQQ TR Put | QQQ | 46090E953 | $43.3M | 11.77% | 75,000 | SH |
| 2 | UDEMY INC | UDMY | 902685106 | $19.9M | 5.40% | 4,300,000 | SH |
| 3 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $19.8M | 5.39% | 200,000 | SH |
| 4 | HUDSON TECHNOLOGIES INC | HDSN | 444144109 | $18.7M | 5.08% | 3,175,000 | SH |
| 5 | CISCO SYS INC | CSCO | 17275R102 | $17.5M | 4.75% | 225,000 | SH |
| 6 | LUMEN TECHNOLOGIES INC | LUMN | 550241103 | $15.3M | 4.16% | 2,200,000 | SH |
| 7 | FRESHWORKS INC | FRSH | 358054104 | $15.3M | 4.15% | 1,900,000 | SH |
| 8 | ENPHASE ENERGY INC | ENPH | 29355A107 | $15.1M | 4.11% | 400,000 | SH |
| 9 | NOKIA CORP | NOK | 654902204 | $14.5M | 3.93% | 1,800,000 | SH |
| 10 | VIAVI SOLUTIONS INC | VIAV | 925550105 | $14.1M | 3.85% | 425,000 | SH |
| 11 | HIPPO HLDGS INC | HIPO | 433539202 | $13.0M | 3.54% | 500,000 | SH |
| 12 | FLUOR CORP NEW | FLR | 343412102 | $11.7M | 3.17% | 250,000 | SH |
| 13 | BLACKLINE INC | BL | 09239B109 | $11.5M | 3.12% | 310,000 | SH |
| 14 | MATRIX SVC CO | MTRX | 576853105 | $11.1M | 3.01% | 965,000 | SH |
| 15 | ADTRAN HOLDINGS INC | ADTN | 00486H105 | $10.1M | 2.74% | 800,000 | SH |
| 16 | COGNYTE SOFTWARE LTD | CGNT | M25133105 | $10.0M | 2.73% | 1,240,000 | SH |
| 17 | COURSERA INC | COUR | 22266M104 | $9.9M | 2.69% | 1,700,000 | SH |
| 18 | ASANA INC | ASAN | 04342Y104 | $8.2M | 2.22% | 1,274,000 | SH |
| 19 | NEXTDOOR HOLDINGS INC | NXDR | 65345M108 | $7.7M | 2.09% | 5,500,000 | SH |
| 20 | ARTERIS INC | AIP | 04302A104 | $7.6M | 2.08% | 465,000 | SH |
| 21 | ELASTIC N V | ESTC | N14506104 | $7.5M | 2.04% | 150,000 | SH |
| 22 | BLOOM ENERGY CORP | BE | 093712107 | $6.8M | 1.84% | 50,000 | SH |
| 23 | AMBARELLA INC | AMBA | G037AX101 | $6.7M | 1.82% | 130,000 | SH |
| 24 | COMSCORE INC | SCOR | 20564W204 | $6.2M | 1.69% | 897,000 | SH |
| 25 | TRANSALTA CORP | TAC | 89346D107 | $6.2M | 1.69% | 475,000 | SH |
| 26 | BAIDU INC | BIDU | 056752108 | $6.1M | 1.67% | 55,000 | SH |
| 27 | COGNEX CORP | CGNX | 192422103 | $6.1M | 1.67% | 125,000 | SH |
| 28 | CORNING INC | GLW | 219350105 | $5.4M | 1.48% | 40,000 | SH |
| 29 | FIGMA INC | FIG | 316841105 | $5.3M | 1.44% | 250,000 | SH |
| 30 | ORION GROUP HLDGS INC | ORN | 68628V308 | $4.8M | 1.30% | 440,000 | SH |
| 31 | ANGI INC | ANGI | 00183L201 | $4.2M | 1.15% | 615,000 | SH |
| 32 | AMPLITUDE INC | AMPL | 03213A104 | $3.4M | 0.93% | 500,000 | SH |
| 33 | FIRST SOLAR INC | FSLR | 336433107 | $2.0M | 0.54% | 10,000 | SH |
| 34 | HARTE HANKS INC | HHS | 416196202 | $1.4M | 0.39% | 627,000 | SH |
| 35 | SUNPOWER INC | SPWR | 20460L104 | $825.5K | 0.22% | 650,000 | SH |
| 36 | NWPX INFRASTRUCTURE INC | NWPX | 667746101 | $622.9K | 0.17% | 8,000 | SH |
| 37 | GUARDIAN METAL RES PLC | GMTL | 401382106 | $17.5K | 0.00% | 1,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $367.8M | 37 | 0002073679-26-000057 |
| 2025-12-31 | 2026-02-17 | $455.3M | 41 | 0002073679-26-000027 |
| 2025-09-30 | 2025-11-14 | $319.1M | 44 | 0001546172-25-000011 |