13F Filings History of Wellesley Asset Management

Latest 13F report
Q3 2025 - 21 Oct 2025
Value $
$998,840,698
Signature - Title
James W Buckham - Portfolio Manager
Location
Portsmouth, NH
Summary
This page shows a list of all the recent 13F filings made by Wellesley Asset Management. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Wellesley Asset Management reported 56 stock holdings with total value $998,840,698 as of Q3 2025. Top holdings included LIVN US, MTH US, BL US, LYFT US, and BOX US.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q3 2025 56 $998,840,698 +$207,359,249 -$276,715,292 -$69,356,043 LIVN US, MTH US, BL US, LYFT US, BOX US 13F-HR 21 Oct 2025, 14:04
Q2 2025 64 $1,049,192,933 +$209,221,990 -$188,305,735 +$20,916,255 MTH US, LIVN US, LYFT US, PSN US, GPN US 13F-HR 05 Aug 2025, 12:59
Q1 2025 61 $968,563,414 +$287,928,949 -$237,478,359 +$50,450,590 13F-HR 02 May 2025, 12:51
Q4 2024 58 $962,313,260 +$80,456,432 -$143,590,839 -$63,134,407 13F-HR 27 Jan 2025, 16:14
Q3 2024 49 $1,026,831,455 +$225,987,612 -$178,661,672 +$47,325,940 13F-HR 23 Oct 2024, 08:57
Q2 2024 48 $944,476,974 +$161,705,029 -$194,786,819 -$33,081,790 13F-HR 07 Aug 2024, 12:27
Q1 2024 55 $990,315,881 +$155,263,274 -$194,227,361 -$38,964,087 13F-HR 14 May 2024, 15:44
Q4 2023 39 $1,002,443,215 +$114,457,479 -$533,640,670 -$419,183,191 13F-HR 09 Feb 2024, 14:18
Q3 2023 36 $1,004,251,168 $0 New Holdings 13 Nov 2023, 17:08
Q3 2023 47 $1,365,402,853 +$373,230,805 -$217,856,066 +$155,374,739 13F-HR 13 Nov 2023, 09:28
Q2 2023 53 $1,228,897,067 +$216,102,035 -$385,618,888 -$169,516,853 13F-HR 14 Aug 2023, 12:20
Q1 2023 47 $1,355,252,936 +$1,353,803,932 +$1,353,803,932 13F-HR 15 May 2023, 16:14
Q4 2022 48 $1,477,746 +$171,154 -$90,396 +$80,758 13F-HR 10 Feb 2023, 12:18
Q3 2022 65 $1,410,899 +$212,630 -$110,176 +$102,454 13F-HR 14 Nov 2022, 08:45
Q2 2022 55 $1,496,758 +$502,737 -$192,739 +$309,998 13F-HR 15 Aug 2022, 10:27
Q1 2022 68 $1,470,923 +$495,886 -$156,241 +$339,645 13F-HR 16 May 2022, 15:12
Q4 2021 48 $1,246,625 +$227,056 -$117,283 +$109,773 13F-HR 14 Feb 2022, 13:13
Q3 2021 57 $1,177,683 +$765,545 -$404,162 +$361,383 13F-HR 15 Nov 2021, 15:39
Q2 2021 31 $833,876 $0 $0 $0 13F-HR 13 Aug 2021, 16:13
Q1 2021 31 $833,876 +$228,150 -$296,263 -$68,113 13F-HR 11 May 2021, 16:56
Q4 2020 34 $864,268 $0 New Holdings 01 Mar 2021, 15:27
Q4 2020 34 $864,268 +$288,256 -$137,150 +$151,106 13F-HR 16 Feb 2021, 08:09
Q3 2020 40 $901,796 +$308,388 -$186,639 +$121,749 13F-HR 13 Nov 2020, 12:48
Q2 2020 40 $832,265 +$83,099 -$201,462 -$118,363 RCA 13F-HR 13 Aug 2020, 17:04
Q1 2020 46 $849,520 +$62,291 -$234,551 -$172,260 RCA 13F-HR 14 May 2020, 16:01
Q4 2019 45 $1,246,944 +$42,489 -$229,647 -$187,158 RCA 13F-HR 13 Feb 2020, 15:43
Q3 2019 60 $1,529,215 +$229,555 -$138,130 +$91,425 RCA 13F-HR 12 Nov 2019, 12:05
Q2 2019 56 $1,478,978 +$250,032 -$130,247 +$119,785 RCA 13F-HR 09 Aug 2019, 14:24
Q1 2019 60 $1,422,951 +$253,523 -$198,244 +$55,279 RCA 13F-HR 07 May 2019, 10:37
Q4 2018 76 $1,460,473,000 +$525,052,241 -$293,949,088 +$231,103,153 RCA, ANIP 13F-HR 07 Feb 2019, 13:42
Q3 2018 68 $1,602,461 +$272,955 -$238,990 +$33,965 13F-HR 13 Nov 2018, 14:52
Q2 2018 65 $1,671,401 +$372,935 -$258,870 +$114,065 13F-HR 13 Aug 2018, 12:19
Q1 2018 68 $1,892,335 +$407,214 -$270,910 +$136,304 13F-HR 11 May 2018, 10:58
Q4 2017 59 $1,898,837 +$340,126 -$197,076 +$143,050 13F-HR 09 Feb 2018, 10:50
Q3 2017 62 $1,864,820 +$308,781 -$298,042 +$10,739 13F-HR 13 Nov 2017, 09:23
Q2 2017 67 $1,931,165 +$188,745 -$200,956 -$12,211 13F-HR 11 Aug 2017, 10:56
Q1 2017 64 $1,913,175 $0 13F-HR 12 May 2017, 16:21
Q4 2016 70 $1,932,791,000 $0 SRTY, SQQQXXXX 13F-HR 13 Feb 2017, 11:44
Q3 2016 70 $1,897,192,000 $0 SRTY, SQQQXXXX 13F-HR 10 Nov 2016, 09:31
Q2 2016 75 $1,842,553,303 +$272,467,600 -$131,933,493 +$140,534,107 SQQQXXXX, SRTY, SPXUXXXX 13F-HR 10 Aug 2016, 11:35
Q1 2016 76 $1,702,792,506 +$157,837,147 -$124,028,590 +$33,808,557 SPXUXXXX, SQQQXXXX, SRTY 13F-HR 12 May 2016, 16:41
Q4 2015 72 $1,760,457 +$185,219 -$80,121 +$105,098 13F-HR 12 Feb 2016, 09:50
Q3 2015 79 $1,714,335 +$254,950 -$75,548 +$179,402 13F-HR 12 Nov 2015, 09:25
Q2 2015 78 $1,738,783 +$256,346 -$122,735 +$133,611 13F-HR 11 Aug 2015, 10:15
Q1 2015 74 $1,704,069 +$255,217 -$136,379 +$118,838 13F-HR 08 May 2015, 12:18
Q4 2014 89 $1,705,504,000 +$274,132,579 -$89,334,360 +$184,798,219 TTMI, REGI, FCX, SRC, RTI 13F-HR 11 Feb 2015, 10:18
Q3 2014 81 $1,614,016 +$235,088 -$88,440 +$146,648 13F-HR 12 Nov 2014, 10:19
Q2 2014 80 $1,591,342 +$372,803 -$126,486 +$246,317 13F-HR 11 Aug 2014, 09:51
Q1 2014 91 $1,557,547 +$426,623 -$226,338 +$200,285 13F-HR 13 May 2014, 12:50
Q4 2013 92 $1,417,187 $0 Restatement 25 Mar 2014, 10:21