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Wellesley Asset Management

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13F filer, CIK 1533551, PORTSMOUTH, NH

Wellesley Asset Management reported $1,095,411,161 across 64 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-13. Its ten largest share positions make up 33.74% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001533551-26-000004

Period
2026-06-30
Reported value
$1.1B
Holdings
64
Top 10 weight
33.74%
New
17
Sold out
7

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001533551-26-000004, largest first. % of portfolio is the value over $1,095,411,161, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
BOX INCBOX INC NOTE 1.500% 9/1principal49,546,000$47M-1,635,000
ITRON INCITRON INC NOTE 1.375% 7/1principal44,985,000$42.7M+8,990,000
BLACKLINE INCBLACKLINE INC NOTE 1.000% 6/0principal42,867,000$39.8M+5,945,000
LIVANOVA PLCLIVANOVA PLC NOTE 2.500% 3/1principal31,146,000$39M+3,543,000
AEROVIRONMENT INCAEROVIRONMENT INC NOTE 7/1principal39,025,000$37.6M+31,109,000
HAEMONETICS CORP MASSHAEMONETICS CORP MASS NOTE 2.500% 6/0principal37,883,000$36.6M-370,000
MERITAGE HOMES CORPMERITAGE HOMES CORP NOTE 1.750% 5/1principal32,281,000$33.2M-1,691,000
PG&E CORPPG&E CORP NOTE 4.250%12/0principal32,230,000$32.8M-1,855,000
GREENBRIER COS INCGREENBRIER COS INC NOTE 2.875% 4/1principal26,998,000$30.6M-1,471,000
SOUTHERN COSOUTHERN CO NOTE 3.250% 6/1principal30,127,000$30.2Mnew
DOORDASH INCDOORDASH INC NOTE 5/1principal31,902,000$30Mnew
PARSONS CORP DELPARSONS CORP DEL NOTE 2.625% 3/0principal30,098,000$29.9M+413,000
MICROCHIP TECHNOLOGY INC.MICROCHIP TECHNOLOGY INC. NOTE 0.750% 6/0principal27,068,000$29.5M-801,000
GUIDEWIRE SOFTWARE INCGUIDEWIRE SOFTWARE INC NOTE 1.250%11/0principal31,894,000$29M-340,000
GLOBAL PMTS INCGLOBAL PMTS INC NOTE 1.500% 3/0principal29,583,000$26.8M-2,530,000
DROPBOX INCDROPBOX INC NOTE 3/0principal28,266,000$26.8M+5,869,000
TRAVERE THERAPEUTICS INCTRAVERE THERAPEUTICS INC NOTE 0.500% 5/1principal23,551,000$26.3Mnew
MERIT MED SYS INCMERIT MED SYS INC NOTE 3.000% 2/0principal25,627,000$26.1Mnew
ENVISTA HOLDINGS CORPORATIONENVISTA HOLDINGS CORPORATION NOTE 1.750% 8/1principal25,263,000$25.3M-156,000
REPLIGEN CORPREPLIGEN CORP NOTE 1.000%12/1principal25,587,000$24.5M+1,106,000
WINNEBAGO INDS INCWINNEBAGO INDS INC NOTE 3.250% 1/1principal24,881,000$23.4M-1,636,000
SYNAPTICS INCSYNAPTICS INC NOTE 0.750%12/0principal15,386,000$23.1M-18,939,000
AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0principal19,682,000$23.1M-9,323,000
DATADOG INCDATADOG INC NOTE 12/0principal16,021,000$23M-14,284,000
EEFT USEEFT US 10/1/2030principal27,000,000$22.7Mnew
LEMAITRE VASCULAR INCLEMAITRE VASCULAR INC NOTE 2.500% 2/0principal20,558,000$21.1M+723,000
PROGRESS SOFTWARE CORPPROGRESS SOFTWARE CORP NOTE 3.500% 3/0principal21,041,000$20.9M-4,980,000
CMS ENERGY CORPCMS ENERGY CORP NOTE 3.375% 5/0principal20,500,000$20.7M+7,110,000
OMNICELL COMOMNICELL COM NOTE 1.000%12/0principal20,766,000$20.6M+1,640,000
INTEGER HLDGS CORPINTEGER HLDGS CORP DBCV 1.875% 3/1principal21,186,000$20.5Mnew
LANTHEUS HLDGS INCLANTHEUS HLDGS INC Convertibleprincipal11,876,000$17.1M-2,561,000
JD.COM INCJD.COM INC NOTE 0.250% 6/0principal17,185,000$17Mnew
NUTANIX INCNUTANIX INC NOTE 0.500%12/1principal16,171,000$16M+12,171,000
ON SEMICONDUCTOR CORPON SEMICONDUCTOR CORP NOTE 0.500% 3/0principal12,961,000$15.7M-19,634,000
TETRA TECH INC NEWTETRA TECH INC NEW DBCV 2.250% 8/1principal15,782,000$14.6M+10,898,000
LYFT INCLYFT INC Convertibleprincipal9,900,000$10.4M-9,520,000
JAZZ INVESTMENTS I LTDJAZZ INVESTMENTS I LTD Convertibleprincipal7,500,000$10.1M+2,000,000
WORLD KINECT CORPORATIONWORLD KINECT CORPORATION Convertibleprincipal9,170,000$10M+1,996,000
LIVE NATION ENTERTAINMENT INLIVE NATION ENTERTAINMENT IN Convertibleprincipal8,690,000$9.84M+4,090,000
PPL CAP FDG INCPPL CAP FDG INC NOTE 2.875% 3/1principal8,480,000$9.51M-769,000
BIOMARIN PHARMACEUTICAL INCBIOMARIN PHARMACEUTICAL INC NOTE 1.250% 5/1principal9,624,000$9.37M+5,609,000
CHEESECAKE FACTORY INCCHEESECAKE FACTORY INC NOTE 2.000% 3/1principal9,000,000$8.91M+3,000,000
FLUOR CORPFLUOR CORP NOTE 1.125% 8/1principal7,645,000$7.96M+3,450,000
LCI INDSLCI INDS Convertibleprincipal7,200,000$7.95M-1,000,000
AMPHASTAR PHARMACEUTICALS INAMPHASTAR PHARMACEUTICALS IN NOTE 2.000% 3/1principal8,460,000$7.69M-17,566,000
PACIRA BIOSCIENCES INCPACIRA BIOSCIENCES INC NOTE 2.125% 5/1principal7,522,000$7.53M+303,000
ETSY INCETSY INC NOTE 1.000% 6/1principal7,735,000$7.12Mnew
COGENT BIOSCIENCES INCCOGENT BIOSCIENCES INC NOTE 1.625%11/1principal7,250,000$6.47M+2,625,000
ALLIANT ENERGY CORPALLIANT ENERGY CORP NOTE 3.250% 5/3principal6,500,000$5.46Mnew
ALARM COM HLDGS INCALARM COM HLDGS INC NOTE 2.250% 6/0principal5,626,000$5.38M-23,000
COLLEGIUM PHARMACEUTICAL INCCOLLEGIUM PHARMACEUTICAL INC NOTE 2.875% 2/1principal5,725,000$4.57M+1,600,000
POST HLDGS INCPOST HLDGS INC NOTE 2.500% 8/1principal5,750,000$4.45M+1,750,000
SOUTHERN COSOUTHERN CO NOTE 4.500% 6/1principal4,500,000$4.4M0
CELCUITY INCCELCUITY INC Convertibleprincipal3,500,000$3.18Mnew
REVOLUTION MEDICINES INCREVOLUTION MEDICINES INC NOTE 0.500% 5/0principal2,570,000$2.86Mnew
NUVATION BIO INCNUVATION BIO INC NOTE 0.750% 7/0principal3,500,000$2.69Mnew
IMMUNOCORE HLDGS PLCIMMUNOCORE HLDGS PLC NOTE 2.500% 2/0principal4,150,000$2.2M0
AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 1.125% 2/1principal1,594,000$1.86M-15,556,000
BRIDGEBIO PHARMA INCBRIDGEBIO PHARMA INC NOTE 1.750% 3/0principal275,000$463K+150,000
UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 0.875%12/0principal375,000$451Knew
ANI PHARMACEUTICALS INCANI PHARMACEUTICALS INC NOTE 2.250% 9/0principal250,000$325Knew
LIBERTY MEDIA CORP DELLIBERTY MEDIA CORP DEL NOTE 2.250% 8/1principal250,000$316Knew
CYBERARK SOFTWARE LTDCYBERARK SOFTWARE LTD NOTE6/1principal175,000$299Knew
TRANSMEDICS GROUP INCTRANSMEDICS GROUP INC NOTE 1.500% 6/0principal250,000$274Knew

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
VISHAY INTERTECHNOLOGY INCVISHAY INTERTECHNOLOGY INC41,311,000$39.6Mprincipal
SHIFT4 PMTS INCSHIFT4 PMTS INC31,386,000$29.5Mprincipal
SPECTRUM BRANDS INCSPECTRUM BRANDS INC9,290,000$9.19Mprincipal
ARRAY TECHNOLOGIES INCARRAY TECHNOLOGIES INC7,369,000$6.69Mprincipal
CENTERPOINT ENERGY INCCENTERPOINT ENERGY INC3,662,000$4.35Mprincipal
WEC ENERGY GROUP INCWEC ENERGY GROUP INC3,000,000$1.82Mprincipal
BRIDGEBIO PHARMA INCBRIDGEBIO PHARMA INC210,000$237Kprincipal

How Q2 2026 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).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001533551-26-000004 base2026-08-13acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001533551-26-000004 Quarter ended 2026-06-302026-08-13acceptance time not in the bulk data set
13F-HR 0001533551-26-000003 Quarter ended 2026-03-312026-05-11acceptance time not in the bulk data set
13F-HR/A 0001533551-26-000002 Quarter ended 2025-12-312026-02-06acceptance time not in the bulk data set
13F-HR 0001533551-26-000001 Quarter ended 2025-12-312026-02-06acceptance time not in the bulk data set
13F-HR 0001533551-25-000006 Quarter ended 2025-09-302025-10-21acceptance time not in the bulk data set
13F-HR 0001533551-25-000004 Quarter ended 2025-06-302025-08-05acceptance time not in the bulk data set
13F-HR 0001533551-25-000002 Quarter ended 2025-03-312025-05-02acceptance time not in the bulk data set
13F-HR 0001533551-25-000001 Quarter ended 2024-12-312025-01-27acceptance time not in the bulk data set
13F-HR 0001533551-24-000005 Quarter ended 2024-09-302024-10-23acceptance time not in the bulk data set
13F-HR 0001533551-24-000004 Quarter ended 2024-06-302024-08-07acceptance time not in the bulk data set
13F-HR 0001533551-24-000003 Quarter ended 2024-03-312024-05-14acceptance time not in the bulk data set
13F-HR 0001533551-24-000002 Quarter ended 2023-12-312024-02-09acceptance time not in the bulk data set
13F-HR 0001533551-23-000004 Quarter ended 2023-09-302023-11-13acceptance time not in the bulk data set
13F-HR/A 0001533551-23-000005 Quarter ended 2023-09-302023-11-13acceptance time not in the bulk data set
13F-HR 0001533551-23-000003 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0001533551-23-000002 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR 0001533551-23-000001 Quarter ended 2022-12-312023-02-10acceptance time not in the bulk data set
13F-HR 0001533551-22-000005 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001533551-22-000004 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-HR 0001533551-22-000003 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0001533551-22-000002 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0001533551-21-000007 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0001533551-21-000004 Quarter ended 2021-06-302021-08-13acceptance time not in the bulk data set
13F-HR 0001533551-21-000003 Quarter ended 2021-03-312021-05-11acceptance time not in the bulk data set
13F-HR/A 0001533551-21-000002 Quarter ended 2020-12-312021-03-01acceptance time not in the bulk data set
13F-HR 0001533551-21-000001 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0001533551-20-000004 Quarter ended 2020-09-302020-11-13acceptance time not in the bulk data set
13F-HR 0001533551-20-000003 Quarter ended 2020-06-302020-08-13acceptance time not in the bulk data set
13F-HR 0001533551-20-000002 Quarter ended 2020-03-312020-05-14acceptance time not in the bulk data set
13F-HR 0001533551-20-000001 Quarter ended 2019-12-312020-02-13acceptance time not in the bulk data set
13F-HR 0001533551-19-000007 Quarter ended 2019-09-302019-11-12acceptance time not in the bulk data set
13F-HR 0001533551-19-000003 Quarter ended 2019-06-302019-08-09acceptance time not in the bulk data set
13F-HR 0001533551-19-000002 Quarter ended 2019-03-312019-05-07acceptance time not in the bulk data set
13F-HR 0001533551-19-000001 Quarter ended 2018-12-312019-02-07acceptance time not in the bulk data set
13F-HR 0001533551-18-000004 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-HR 0001533551-18-000003 Quarter ended 2018-06-302018-08-13acceptance time not in the bulk data set
13F-HR 0001533551-18-000002 Quarter ended 2018-03-312018-05-11acceptance time not in the bulk data set
13F-HR 0001533551-18-000001 Quarter ended 2017-12-312018-02-09acceptance time not in the bulk data set
13F-HR 0001533551-17-000004 Quarter ended 2017-09-302017-11-13acceptance time not in the bulk data set
13F-HR 0001533551-17-000003 Quarter ended 2017-06-302017-08-11acceptance time not in the bulk data set
13F-HR 0001533551-17-000002 Quarter ended 2017-03-312017-05-12acceptance time not in the bulk data set
13F-HR 0001533551-17-000001 Quarter ended 2016-12-312017-02-13acceptance time not in the bulk data set
13F-HR 0001533551-16-000010 Quarter ended 2016-09-302016-11-10acceptance time not in the bulk data set
13F-HR 0001533551-16-000009 Quarter ended 2016-06-302016-08-10acceptance time not in the bulk data set
13F-HR 0001533551-16-000006 Quarter ended 2016-03-312016-05-12acceptance time not in the bulk data set
13F-HR 0001533551-16-000005 Quarter ended 2015-12-312016-02-12acceptance time not in the bulk data set
13F-HR 0001533551-15-000004 Quarter ended 2015-09-302015-11-12acceptance time not in the bulk data set
13F-HR 0001533551-15-000003 Quarter ended 2015-06-302015-08-11acceptance time not in the bulk data set
13F-HR 0001533551-15-000002 Quarter ended 2015-03-312015-05-08acceptance time not in the bulk data set
13F-HR 0001533551-15-000001 Quarter ended 2014-12-312015-02-11acceptance time not in the bulk data set
13F-HR 0001533551-14-000005 Quarter ended 2014-09-302014-11-12acceptance time not in the bulk data set
13F-HR 0001533551-14-000004 Quarter ended 2014-06-302014-08-11acceptance time not in the bulk data set
13F-HR 0001533551-14-000003 Quarter ended 2014-03-312014-05-13acceptance time not in the bulk data set
13F-HR/A 0001533551-14-000002 Quarter ended 2013-12-312014-03-25acceptance time not in the bulk data set
13F-HR 0001533551-14-000001 Quarter ended 2013-12-312014-02-14acceptance time not in the bulk data set
13F-HR 0001533551-13-000008 Quarter ended 2013-09-302013-11-13acceptance time not in the bulk data set
13F-HR 0001533551-13-000005 Quarter ended 2013-06-302013-08-13acceptance time not in the bulk data set