Wellesley Asset Management
Follow13F filer, CIK 1533551, PORTSMOUTH, NH
Wellesley Asset Management reported $1,002,921,935 across 61 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-02. Its ten largest share positions make up 40.98% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001533551-25-000002
- Period
- 2025-03-31
- Reported value
- $1B
- Holdings
- 61
- Top 10 weight
- 40.98%
- New
- 17
- Sold out
- 14
Holdings, Q1 2025
Share positions as resolved from 13F-HR 0001533551-25-000002, largest first. % of portfolio is the value over $1,002,921,935, 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 |
|---|---|---|---|---|
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0 | principal | 52,956,000 | $51.7M | +4,618,000 |
| BIOMARIN PHARMACEUTICAL INCBIOMARIN PHARMACEUTICAL INC NOTE 1.250% 5/1 | principal | 52,084,000 | $49.2M | -4,876,000 |
| FORD MOTOR COMPANYFORD MOTOR COMPANY NOTE 3/1 | principal | 47,875,000 | $46.9M | -11,508,000 |
| VISHAY INTERTECHNOLOGY INCVISHAY INTERTECHNOLOGY INC NOTE 2.250% 9/1 | principal | 49,023,000 | $43.3M | +493,000 |
| ON SEMICONDUCTOR CORPON SEMICONDUCTOR CORP NOTE 0.500% 3/0 | principal | 45,580,000 | $39.1M | +6,141,000 |
| AMPHASTAR PHARMACEUTICALS INAMPHASTAR PHARMACEUTICALS IN NOTE 2.000% 3/1 | principal | 43,068,000 | $38.2M | +13,655,000 |
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 12/1 | principal | 34,938,000 | $37.2M | -5,954,000 |
| SAREPTA THERAPEUTICS INCSAREPTA THERAPEUTICS INC NOTE 1.250% 9/1 | principal | 38,390,000 | $35.7M | +35,713,000 |
| SPOTIFY USA INCSPOTIFY USA INC NOTE 3/1 | principal | 29,526,000 | $35.3M | -6,725,000 |
| NICE LTDNICE LTD NOTE 9/1 | principal | 35,217,000 | $34.4M | -403,000 |
| GREENBRIER COS INCGREENBRIER COS INC NOTE 2.875% 4/1 | principal | 31,033,000 | $34.4M | -12,928,000 |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC NOTE 0.250% 3/0 | principal | 30,899,000 | $32.3M | -17,703,000 |
| LCI INDSLCI INDS NOTE 1.125% 5/1 | principal | 32,214,000 | $30.9M | -29,078,000 |
| WINNEBAGO INDS INCWINNEBAGO INDS INC NOTE 3.250% 1/1 | principal | 34,386,000 | $30.3M | new |
| JBT MAREL CORPORATIONJBT MAREL CORPORATION NOTE 0.250% 5/1 | principal | 29,961,000 | $30M | -12,489,000 |
| LYFT INCLYFT INC Convertible | principal | 27,243,000 | $26.6M | new |
| AMERICAN WTR CAP CORPAMERICAN WTR CAP CORP NOTE 3.625% 6/1 | principal | 25,094,000 | $25.7M | +20,452,000 |
| FIVE9 INCFIVE9 INC CNV | principal | 28,143,000 | $24M | new |
| ITRON INCITRON INC NOTE 3/1 | principal | 22,033,000 | $22.8M | +477,000 |
| PARSONS CORP DELPARSONS CORP DEL NOTE 2.625% 3/0 | principal | 21,614,000 | $21.7M | new |
| GLOBAL PMTS INCGLOBAL PMTS INC NOTE 1.500% 3/0 | principal | 22,076,000 | $20.8M | new |
| PG&E CORPPG&E CORP NOTE 4.250%12/0 | principal | 18,874,000 | $20M | +17,874,000 |
| CAPITAL SOUTHWEST CORPCAPITAL SOUTHWEST CORP Convertible Bond | principal | 20,304,000 | $19.9M | +927,000 |
| LIVANOVA PLCLIVANOVA PLC NOTE 2.500% 3/1 | principal | 20,523,000 | $19.6M | new |
| AIRBNB INC CLASS AAIRBNB INC CLASS A CLASS A | principal | 20,200,000 | $19.3M | +6,489,000 |
| EXPEDIA GROUP INCEXPEDIA GROUP INC NOTE 2/1 | principal | 18,826,000 | $18.6M | +8,499,000 |
| JAZZ INVESTMENTS I LTDJAZZ INVESTMENTS I LTD NOTE 2.000% 6/1 | principal | 17,330,000 | $18M | -9,700,000 |
| ALLIANT ENERGY CORPALLIANT ENERGY CORP NOTE 3.875% 3/1 | principal | 16,683,000 | $17.9M | -2,586,000 |
| IMAX CORPIMAX CORP NOTE 0.500% 4/0 | principal | 15,006,000 | $16.6M | -13,896,000 |
| PPL CAP FDG INCPPL CAP FDG INC NOTE 2.875% 3/1 | principal | 14,731,000 | $16.5M | -2,241,000 |
| DEXCOM INCDEXCOM INC NOTE 0.375% 5/1 | principal | 16,729,000 | $14.9M | new |
| SOUTHWEST AIRLS COSOUTHWEST AIRLS CO NOTE 1.250% 5/0 | principal | 13,714,000 | $13.7M | -3,423,000 |
| WORLD KINECT CORPORATIONWORLD KINECT CORPORATION Convertible | principal | 11,770,000 | $13.6M | -3,250,000 |
| AIR TRANS SVCS GROUP INCAIR TRANS SVCS GROUP INC BOND | principal | 11,678,000 | $11.6M | -6,809,000 |
| PACIRA BIOSCIENCES INCPACIRA BIOSCIENCES INC NOTE 0.750% 8/0 | principal | 10,829,000 | $10.7M | -1,037,000 |
| FLUOR CORPFLUOR CORP NOTE 1.125% 8/1 | principal | 7,680,000 | $8.23M | -2,000,000 |
| ORMAT TECHNOLOGIES INCORMAT TECHNOLOGIES INC NOTE 2.500% 7/1 | principal | 6,428,000 | $6.64M | -2,755,000 |
| CENTERPOINT ENERGY INCCENTERPOINT ENERGY INC NOTE 4.250% 8/1 | principal | 5,735,000 | $6.27M | -17,403,000 |
| TRANSMEDICS GROUP INCTRANSMEDICS GROUP INC NOTE 1.500% 6/0 | principal | 5,146,000 | $5.6M | new |
| MGP INGREDIENTS INC NEWMGP INGREDIENTS INC NEW NOTE 1.875%11/1 | principal | 4,098,000 | $3.83M | +662,000 |
| ADVANCED ENERGY INDSADVANCED ENERGY INDS NOTE 2.500% 9/1 | principal | 3,566,000 | $3.67M | -5,422,000 |
| BLOOM ENERGY CORPBLOOM ENERGY CORP Bond | principal | 2,502,000 | $3.41M | -46,000 |
| CSG SYS INTL INCCSG SYS INTL INC NOTE 3.875% 9/1 | principal | 1,949,000 | $2.11M | new |
| DEXCOM INCDEXCOM INC NOTE 0.250%11/1 | principal | 2,119,000 | $2.06M | -90,000 |
| CMS ENERGY CORPCMS ENERGY CORP NOTE 3.375% 5/0 | principal | 1,656,000 | $1.84M | +162,000 |
| ASCENDIS PHARMA A/SASCENDIS PHARMA A/S Convertible bond | principal | 1,525,000 | $1.79M | new |
| DUKE ENERGY CORP NEWDUKE ENERGY CORP NEW CONV BND | principal | 1,500,000 | $1.62M | new |
| COLLEGIUM PHARMACEUTICAL INCCOLLEGIUM PHARMACEUTICAL INC NOTE 2.875% 2/1 | principal | 1,500,000 | $1.61M | new |
| DROPBOX INCDROPBOX INC NOTE 3/0 | principal | 1,500,000 | $1.49M | +500,000 |
| REPLIGEN CORPREPLIGEN CORP NOTE 1.000%12/1 | principal | 1,347,000 | $1.33M | +347,000 |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC NOTE 1.000% 8/1 | principal | 1,000,000 | $1.26M | 0 |
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 0.875%12/0 | principal | 1,000,000 | $1.22M | 0 |
| LIBERTY MEDIA CORP DELLIBERTY MEDIA CORP DEL NOTE 2.250% 8/1 | principal | 1,000,000 | $1.21M | 0 |
| SIRIUSXM HOLDINGS INCSIRIUSXM HOLDINGS INC NOTE 3.750% 3/1 | principal | 1,151,000 | $1.19M | +911,000 |
| DAYFORCE INCDAYFORCE INC NOTE 0.250% 3/1 | principal | 1,225,000 | $1.17M | -39,000 |
| PROGRESS SOFTWARE CORPPROGRESS SOFTWARE CORP NOTE 3.500% 3/0 | principal | 1,000,000 | $1.11M | new |
| IMMUNOCORE HLDGS PLCIMMUNOCORE HLDGS PLC NOTE 2.500% 2/0 | principal | 1,200,000 | $1M | new |
| IRONWOOD PHARMACEUTICALS INCIRONWOOD PHARMACEUTICALS INC NOTE 1.500% 6/1 | principal | 775,000 | $688K | 0 |
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 1.125% 2/1 | principal | 602,000 | $573K | new |
| TETRA TECH INC NEWTETRA TECH INC NEW DBCV 2.250% 8/1 | principal | 353,000 | $366K | new |
| SOLAREDGE TECHNOLOGIES INCSOLAREDGE TECHNOLOGIES INC NOTE 9/1 | principal | 200,000 | $193K | new |
Sold out in Q1 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| Viavi Solutions IncViavi Solutions Inc | 26,061,000 | $26.9M | principal |
| GWRE USGWRE US | 17,000,000 | $16.6M | principal |
| BURLINGTON STORES INCBURLINGTON STORES INC | 4,621,000 | $6.04M | principal |
| ZILLOW GROUP INCZILLOW GROUP INC | 4,548,000 | $5.27M | principal |
| Shopify IncShopify Inc | 3,694,000 | $3.77M | principal |
| PEGASYSTEMS INCPEGASYSTEMS INC | 2,718,000 | $2.69M | principal |
| OKTA INCOKTA INC | 2,100,000 | $1.96M | principal |
| NUVASIVE INCNUVASIVE INC | 1,900,000 | $1.88M | principal |
| PATRICK INDS INCPATRICK INDS INC | 1,071,000 | $1.46M | principal |
| DDOG USDDOG US | 1,500,000 | $1.45M | principal |
| IMCR USIMCR US | 1,500,000 | $1.26M | principal |
| EXACT SCIENCES CORPEXACT SCIENCES CORP | 1,200,000 | $1.23M | principal |
| OMCL USOMCL US | 1,000,000 | $1.05M | principal |
| ARRAY TECHNOLOGIES INCARRAY TECHNOLOGIES INC | 1,025,000 | $756K | principal |
How Q1 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 0001533551-25-000002 | base | 2025-05-02 | acceptance time not in the bulk data set |