Wellesley Investment Advisors
Latest statistics and disclosures from Wellesley Asset Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are Haemonetics Corp Mass, Box, Pg&e Corp, Ford Mtr Co Del, Synaptics, and represent 21.10% of Wellesley Asset Management's stock portfolio.
- Added to shares of these 10 stocks: Synaptics (+$27B), Itron (+$19B), Omnicell (+$15B), Enovis Corporation (+$12B), Firstenergy Corp (+$11B), Lantheus Hldgs Inc Note 2.62512/1 (+$7.8B), Progress Software Corp (+$7.8B), Datadog (+$7.3B), Alarm Com Hldgs (+$4.9B), Cogent Biosciences (+$4.7B).
- Started 11 new stock positions in Cogent Biosciences, Datadog, Post Hldgs Inc 2.5 08/15/2027, Omnicell, Enovis Corporation, Firstenergy Corp, Dropbox, Guidewire Software, Synaptics, Lantheus Hldgs Inc Note 2.62512/1. Lemaitre Vascular.
- Reduced shares in these 10 stocks: Uber Technologies (-$40B), Halozyme Therapeutics (-$27B), Biomarin Pharmaceutical (-$22B), Itron Inc Note 3/1 (-$22B), Livanova (-$21B), Amphastar Pharmaceuticals In (-$21B), Draftkings (-$18B), Ford Mtr Co Del (-$18B), BlackLine 1.000 01-Jun-2029 (-$17B), On Semiconductor Corp (-$16B).
- Sold out of its positions in Advanced Energy Inds, Airbnb, Bentley Sys, Dexcom Inc Note 0.375 5/1, Draftkings, Five9 Inc Note 1.000 3/1, Gladstone Cap Corp, Halozyme Therapeutics, Imax Corp, Itron Inc Note 3/1. Lci Inds, Mgp Ingredients, Uber Technologies.
- Wellesley Asset Management was a net seller of stock by $-330B.
- Wellesley Asset Management has $672B in assets under management (AUM), dropping by -32.70%.
- Central Index Key (CIK): 0001533551
Tip: Access up to 7 years of quarterly data
Positions held by Wellesley Investment Advisors consolidated in one spreadsheet with up to 7 years of data
Download as csv
Download as Excel
Portfolio Holdings for Wellesley Asset Management
Wellesley Asset Management holds 54 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Hae Us 6/1/2029 (Principal) | 4.5 | $30B | 29M | 1037.67 |
|
|
| Box Us 9/15/2029 (Principal) | 4.3 | $29B | -6% | 30M | 965.71 |
|
| Pcg Us 12/1/2027 (Principal) | 4.2 | $28B | -32% | 27M | 1033.61 |
|
| F Us 3/15/2026 (Principal) | 4.1 | $28B | -39% | 26M | 1045.08 |
|
| Syna Us 12/1/2031 (Principal) | 4.0 | $27B | NEW | 26M | 1065.00 |
|
| Livn Us 3/15/2029 (Principal) | 3.9 | $26B | -45% | 23M | 1150.84 |
|
| Vsh Us 9/15/2030 (Principal) | 3.7 | $25B | -36% | 27M | 911.95 |
|
| Gbx Us 4/15/2028 (Principal) | 3.6 | $25B | -19% | 23M | 1085.54 |
|
| Mth Us 5/15/2028 (Principal) | 3.6 | $24B | -35% | 25M | 986.71 |
|
| Itri Us 7/15/2030 (Principal) | 3.4 | $23B | +505% | 23M | 1020.55 |
|
| On Us 3/1/2029 (Principal) | 3.3 | $22B | -41% | 23M | 960.08 |
|
| Wgo Us 1/15/2030 (Principal) | 3.3 | $22B | -25% | 23M | 944.03 |
|
| Four Us 8/1/2027 (Principal) | 3.2 | $22B | +26% | 23M | 958.58 |
|
| Bl Us 6/1/2029 (Principal) | 3.1 | $21B | -45% | 20M | 1046.59 |
|
| Gpn Us 3/1/2031 (Principal) | 2.9 | $19B | -15% | 22M | 897.40 |
|
| Lyft Us 3/1/2029 (Principal) | 2.8 | $19B | -40% | 16M | 1217.26 |
|
| Amph Us 3/15/2029 (Principal) | 2.7 | $18B | -52% | 20M | 923.32 |
|
| Akam Us 2/15/2029 (Principal) | 2.5 | $17B | -11% | 17M | 983.76 |
|
| Akam Us 9/1/2027 (Principal) | 2.4 | $16B | -47% | 16M | 1000.11 |
|
| Omcl Us 12/1/2029 (Principal) | 2.3 | $15B | NEW | 14M | 1079.09 |
|
| Rgen Us 12/15/2028 (Principal) | 2.3 | $15B | -41% | 14M | 1100.30 |
|
| Spot Us 3/15/2026 (Principal) | 2.2 | $15B | -39% | 13M | 1126.99 |
|
| Psn Us 3/1/2029 (Principal) | 2.1 | $14B | -44% | 14M | 1032.79 |
|
| Alrm Us 6/1/2029 (Principal) | 2.1 | $14B | +51% | 15M | 954.36 |
|
| Enov Us 10/15/2028 (Principal) | 1.8 | $12B | NEW | 12M | 979.50 |
|
| Prgs Us 3/1/2030 (Principal) | 1.7 | $11B | +222% | 11M | 1002.64 |
|
| Fe Us 5/1/2026 (Principal) | 1.6 | $11B | NEW | 10M | 1027.18 |
|
| Jbtm Us 5/15/2026 (Principal) | 1.5 | $10B | -52% | 9.8M | 1027.42 |
|
| Ppl Us 3/15/2028 (Principal) | 1.4 | $9.3B | -39% | 8.5M | 1099.69 |
|
| Spb Us 6/1/2029 (Principal) | 1.3 | $8.5B | -57% | 9.0M | 949.82 |
|
| Lnth Us 12/15/2027 (Principal) | 1.2 | $7.8B | NEW | 6.8M | 1147.56 |
|
| Ddog Us 12/1/2029 (Principal) | 1.1 | $7.3B | NEW | 7.3M | 992.90 |
|
| Lnt Us 3/15/2026 (Principal) | 1.0 | $6.8B | -52% | 6.5M | 1047.50 |
|
| Coll Us 2/15/2029 (Principal) | 0.8 | $5.6B | +14% | 4.0M | 1404.76 |
|
| Ttek Us 8/15/2028 (Principal) | 0.7 | $4.9B | +28% | 4.5M | 1087.55 |
|
| Cogt Us 11/15/2031 (Principal) | 0.7 | $4.7B | NEW | 4.0M | 1162.56 |
|
| Wkc Us 7/1/2028 (Principal) | 0.7 | $4.6B | -4% | 4.3M | 1066.74 |
|
| Post Us 8/15/2027 (Principal) | 0.6 | $4.3B | NEW | 4.0M | 1081.01 |
|
| Gwre Us 11/1/2029 (Principal) | 0.6 | $4.3B | NEW | 4.0M | 1070.13 |
|
| Dbx Us 3/1/2028 (Principal) | 0.6 | $4.0B | NEW | 4.0M | 998.91 |
|
| Bmrn Us 5/15/2027 (Principal) | 0.6 | $3.8B | -85% | 4.0M | 961.15 |
|
| Imcr Us 2/1/2030 (Principal) | 0.6 | $3.7B | +13% | 4.1M | 902.26 |
|
| Flr Us 8/15/2029 (Principal) | 0.5 | $3.7B | -33% | 3.2M | 1170.98 |
|
| Mksi Us 6/1/2030 (Principal) | 0.5 | $3.6B | 2.8M | 1320.15 |
|
|
| Tyl Us 3/15/2026 (Principal) | 0.5 | $3.5B | +16% | 3.5M | 1001.13 |
|
| Wec Us 6/1/2027 (Principal) | 0.5 | $3.4B | -14% | 3.0M | 1137.02 |
|
| Cswc Us 11/15/2029 (Principal) | 0.5 | $3.4B | -81% | 3.4M | 991.60 |
|
| Ora Us 7/15/2027 (Principal) | 0.5 | $3.4B | -61% | 2.5M | 1370.69 |
|
| Pcrx Us 5/15/2029 (Principal) | 0.5 | $3.4B | +106% | 3.4M | 991.46 |
|
| Lmat Us 2/1/2030 (Principal) | 0.5 | $3.2B | NEW | 3.3M | 994.84 |
|
| Duk Us 4/15/2026 (Principal) | 0.5 | $3.1B | 3.0M | 1031.72 |
|
|
| Cnp Us 8/15/2026 (Principal) | 0.2 | $1.5B | -65% | 1.4M | 1102.14 |
|
| Csgs Us 9/15/2028 (Principal) | 0.2 | $1.1B | -81% | 970k | 1181.85 |
|
| Cms Us 5/1/2028 (Principal) | 0.2 | $1.0B | -62% | 949k | 1074.42 |
|
Past Filings by Wellesley Asset Management
SEC 13F filings are viewable for Wellesley Asset Management going back to 2011
- Wellesley Asset Management 2025 Q4 filed Feb. 6, 2026
- Wellesley Asset Management 2025 Q4 restated filed Feb. 6, 2026
- Wellesley Asset Management 2025 Q3 filed Oct. 21, 2025
- Wellesley Asset Management 2025 Q2 filed Aug. 5, 2025
- Wellesley Asset Management 2025 Q1 filed May 2, 2025
- Wellesley Asset Management 2024 Q4 filed Jan. 27, 2025
- Wellesley Asset Management 2024 Q3 filed Oct. 23, 2024
- Wellesley Asset Management 2024 Q2 filed Aug. 7, 2024
- Wellesley Asset Management 2024 Q1 filed May 14, 2024
- Wellesley Asset Management 2023 Q4 filed Feb. 9, 2024
- Wellesley Asset Management 2023 Q3 amended filed Nov. 13, 2023
- Wellesley Asset Management 2023 Q2 filed Aug. 14, 2023
- Wellesley Asset Management 2023 Q1 filed May 15, 2023
- Wellesley Asset Management 2022 Q4 filed Feb. 10, 2023
- Wellesley Asset Management 2022 Q3 filed Nov. 14, 2022
- Wellesley Asset Management 2022 Q2 filed Aug. 15, 2022