Wellesley Asset Management
Follow13F filer, CIK 1533551, PORTSMOUTH, NH
Wellesley Asset Management reported $998,840,698 across 56 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-10-21. Its ten largest share positions make up 39.36% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001533551-25-000006
- Period
- 2025-09-30
- Reported value
- $999M
- Holdings
- 56
- Top 10 weight
- 39.36%
- New
- 6
- Sold out
- 14
Holdings, Q3 2025
Share positions as resolved from 13F-HR 0001533551-25-000006, largest first. % of portfolio is the value over $998,840,698, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|
Principal amounts
Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| FORD MOTOR COMPANYFORD MOTOR COMPANY NOTE 3/1 | principal | 43,397,000 | $44.4M | +20,181,000 |
| LIVANOVA PLCLIVANOVA PLC NOTE 2.500% 3/1 | principal | 41,174,000 | $43.8M | +9,775,000 |
| PG&E CORPPG&E CORP NOTE 4.250%12/0 | principal | 40,702,000 | $41.6M | +5,360,000 |
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 12/1 | principal | 32,878,000 | $39.6M | -646,000 |
| MERITAGE HOMES CORPMERITAGE HOMES CORP NOTE 1.750% 5/1 | principal | 37,859,000 | $39M | +883,000 |
| VISHAY INTERTECHNOLOGY INCVISHAY INTERTECHNOLOGY INC NOTE 2.250% 9/1 | principal | 42,715,000 | $38.9M | -4,995,000 |
| AMPHASTAR PHARMACEUTICALS INAMPHASTAR PHARMACEUTICALS IN NOTE 2.000% 3/1 | principal | 42,357,000 | $38.6M | -2,964,000 |
| BLACKLINE INCBLACKLINE INC NOTE 1.000% 6/0 | principal | 35,940,000 | $36.8M | +34,940,000 |
| ON SEMICONDUCTOR CORPON SEMICONDUCTOR CORP NOTE 0.500% 3/0 | principal | 39,675,000 | $36.7M | -4,160,000 |
| LYFT INCLYFT INC Convertible | principal | 26,232,000 | $33.8M | +828,000 |
| BOX INCBOX INC NOTE 1.500% 9/1 | principal | 32,055,000 | $32.2M | new |
| GREENBRIER COS INCGREENBRIER COS INC NOTE 2.875% 4/1 | principal | 27,900,000 | $30.1M | -5,517,000 |
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0 | principal | 30,862,000 | $29.6M | -23,694,000 |
| SPOTIFY USA INCSPOTIFY USA INC NOTE 3/1 | principal | 21,384,000 | $29.4M | -2,249,000 |
| PARSONS CORP DELPARSONS CORP DEL NOTE 2.625% 3/0 | principal | 24,889,000 | $28.7M | -775,000 |
| WINNEBAGO INDS INCWINNEBAGO INDS INC NOTE 3.250% 1/1 | principal | 30,985,000 | $27.8M | +4,463,000 |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC NOTE 0.250% 3/0 | principal | 23,374,000 | $27.3M | -2,617,000 |
| HAEMONETICS CORP MASSHAEMONETICS CORP MASS NOTE 2.500% 6/0 | principal | 28,365,000 | $26.2M | +10,901,000 |
| BIOMARIN PHARMACEUTICAL INCBIOMARIN PHARMACEUTICAL INC NOTE 1.250% 5/1 | principal | 26,963,000 | $25.6M | -23,661,000 |
| REPLIGEN CORPREPLIGEN CORP NOTE 1.000%12/1 | principal | 23,838,000 | $24.7M | +19,341,000 |
| GLOBAL PMTS INCGLOBAL PMTS INC NOTE 1.500% 3/0 | principal | 25,591,000 | $23.5M | -2,400,000 |
| ITRON INCITRON INC NOTE 3/1 | principal | 20,657,000 | $21.8M | -850,000 |
| JBT MAREL CORPORATIONJBT MAREL CORPORATION NOTE 0.250% 5/1 | principal | 20,897,000 | $21.2M | -622,000 |
| SPECTRUM BRANDS INCSPECTRUM BRANDS INC Convertible Bond | principal | 21,100,000 | $19.7M | -2,000,000 |
| CAPITAL SOUTHWEST CORPCAPITAL SOUTHWEST CORP Convertible Bond | principal | 18,409,000 | $18.2M | -1,319,000 |
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 1.125% 2/1 | principal | 19,281,000 | $18.1M | +18,334,000 |
| DRAFTKINGS INC NEWDRAFTKINGS INC NEW CNV | principal | 20,104,000 | $18M | +104,000 |
| SHIFT4 PMTS INCSHIFT4 PMTS INC NOTE 0.500% 8/0 | principal | 17,955,000 | $17.6M | new |
| PPL CAP FDG INCPPL CAP FDG INC NOTE 2.875% 3/1 | principal | 13,989,000 | $15.8M | -1,800,000 |
| IMAX CORPIMAX CORP NOTE 0.500% 4/0 | principal | 13,228,000 | $15.7M | -794,000 |
| ALLIANT ENERGY CORPALLIANT ENERGY CORP NOTE 3.875% 3/1 | principal | 13,682,000 | $14.7M | -813,000 |
| GLADSTONE CAP CORPGLADSTONE CAP CORP NOTE 5.875%10/0 | principal | 14,800,000 | $14.5M | new |
| ALARM COM HLDGS INCALARM COM HLDGS INC NOTE 2.250% 6/0 | principal | 9,856,000 | $9.43M | +8,606,000 |
| ADVANCED ENERGY INDSADVANCED ENERGY INDS NOTE 2.500% 9/1 | principal | 5,904,000 | $8.38M | -515,000 |
| ORMAT TECHNOLOGIES INCORMAT TECHNOLOGIES INC NOTE 2.500% 7/1 | principal | 6,349,000 | $7.87M | -3,566,000 |
| DEXCOM INCDEXCOM INC NOTE 0.375% 5/1 | principal | 7,606,000 | $6.94M | -15,085,000 |
| AIRBNB INC CLASS AAIRBNB INC CLASS A CLASS A | principal | 6,249,000 | $6.12M | -25,000 |
| CSG SYS INTL INCCSG SYS INTL INC NOTE 3.875% 9/1 | principal | 5,159,000 | $5.78M | +220,000 |
| FLUOR CORPFLUOR CORP NOTE 1.125% 8/1 | principal | 4,732,000 | $5.67M | -6,411,000 |
| WORLD KINECT CORPORATIONWORLD KINECT CORPORATION Convertible | principal | 4,492,000 | $5M | -8,905,000 |
| CENTERPOINT ENERGY INCCENTERPOINT ENERGY INC NOTE 4.250% 8/1 | principal | 4,039,000 | $4.45M | -3,670,000 |
| ITRON INCITRON INC NOTE 1.375% 7/1 | principal | 3,750,000 | $4.27M | -500,000 |
| WEC ENERGY GROUP INCWEC ENERGY GROUP INC NOTE 4.375% 6/0 | principal | 3,500,000 | $4.15M | +500,000 |
| COLLEGIUM PHARMACEUTICAL INCCOLLEGIUM PHARMACEUTICAL INC NOTE 2.875% 2/1 | principal | 3,500,000 | $4.14M | 0 |
| TETRA TECH INC NEWTETRA TECH INC NEW DBCV 2.250% 8/1 | principal | 3,490,000 | $3.75M | -6,000 |
| PROGRESS SOFTWARE CORPPROGRESS SOFTWARE CORP NOTE 3.500% 3/0 | principal | 3,500,000 | $3.55M | 0 |
| BENTLEY SYS INCBENTLEY SYS INC NOTE 0.375% 7/0 | principal | 3,500,000 | $3.31M | -500,000 |
| IMMUNOCORE HLDGS PLCIMMUNOCORE HLDGS PLC NOTE 2.500% 2/0 | principal | 3,600,000 | $3.26M | +400,000 |
| TYLER TEX INDPT SCH DISTTYLER TEX INDPT SCH DIST NOTE 0.250% 3/1 | principal | 3,000,000 | $3.22M | new |
| DUKE ENERGY CORP NEWDUKE ENERGY CORP NEW CONV BND | principal | 3,000,000 | $3.2M | -500,000 |
| MKS INC.MKS INC. NOTE 1.250% 6/0 | principal | 2,750,000 | $3.11M | new |
| CMS ENERGY CORPCMS ENERGY CORP NOTE 3.375% 5/0 | principal | 2,540,000 | $2.77M | -17,000 |
| FIVE9 INCFIVE9 INC CNV | principal | 2,948,000 | $2.61M | -17,636,000 |
| MGP INGREDIENTS INC NEWMGP INGREDIENTS INC NEW NOTE 1.875%11/1 | principal | 1,989,000 | $1.91M | -13,000 |
| PACIRA BIOSCIENCES INCPACIRA BIOSCIENCES INC NOTE 2.125% 5/1 | principal | 1,638,000 | $1.65M | new |
| LCI INDSLCI INDS NOTE 1.125% 5/1 | principal | 674,000 | $659K | -29,917,000 |
Sold out in Q3 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| AMERICAN WTR CAP CORPAMERICAN WTR CAP CORP | 22,699,000 | $22.9M | principal |
| JAZZ INVESTMENTS I LTDJAZZ INVESTMENTS I LTD | 16,280,000 | $16.6M | principal |
| NICE LTDNICE LTD | 16,218,000 | $16M | principal |
| EXPEDIA GROUP INCEXPEDIA GROUP INC | 12,410,000 | $12.2M | principal |
| PACIRA BIOSCIENCES INCPACIRA BIOSCIENCES INC | 10,561,000 | $10.5M | principal |
| TXN USTXN US | 5,800,000 | $5.66M | principal |
| ASCENDIS PHARMA A/SASCENDIS PHARMA A/S | 3,525,000 | $4.41M | principal |
| LIBERTY MEDIA CORP DELLIBERTY MEDIA CORP DEL | 3,000,000 | $3.94M | principal |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC | 3,250,000 | $3.75M | principal |
| DROPBOX INCDROPBOX INC | 3,500,000 | $3.53M | principal |
| BLOOM ENERGY CORPBLOOM ENERGY CORP | 2,322,000 | $3.29M | principal |
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC | 2,000,000 | $2.83M | principal |
| DEXCOM INCDEXCOM INC | 2,015,000 | $1.98M | principal |
| GRANITE CONSTR INCGRANITE CONSTR INC | 983,000 | $1.33M | principal |
How Q3 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001533551-25-000006 | base | 2025-10-21 | acceptance time not in the bulk data set |