13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001533551
Total reported value
$1.1B
$1.1B
54 檔
17.5%
As reported in its official Q1 2026 Form 13F filing, Wellesley Asset Management's tracked investment portfolio stood at $1.1B with 54 total positions.
Wellesley Asset Management executed strategic sector rebalancing during Q1 2026, establishing 12 new positions while fully exiting 12 holdings and trimming 21 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | BOX 1.5 09-15-29Bond | Box Inc | Bond | 4.76% | -0.47% | +14.01% | |
| 2 | VSH 2.25 09-15-30Bond | Vishay Intertechnology | Bond | 4.15% | -4.15% | EXIT | |
| 3 | SYNA 0.75 12-01-31Bond | Synaptics Inc | Bond | 3.80% | -1.69% | -12.36% | |
| 4 | PCG 4.25 12-01-27Bond | Pg&e CORP | Bond | 3.73% | -0.73% | -7.87% | |
| 5 | HAE 2.5 06-01-29Bond | Haemonetics CORP | Bond | 3.65% | -0.31% | -6.34% | |
| 6 | ITRI 1.375 07-15-30Bond | Itron Inc | Bond | 3.61% | +0.29% | -0.38% | |
| 7 | AKAM 0.375 09-01-27Bond | Akamai Technologies Inc | Bond | 3.56% | -1.45% | -1.34% | |
| 8 | BL 1 06-01-29Bond | Blackline Inc | Bond | 3.54% | +0.09% | +6.82% | |
| 9 | GBX 2.875 04-15-28Bond | Greenbrier Cos Inc | Bond | 3.47% | -0.67% | -14.88% | |
| 10 | MTH 1.75 05-15-28Bond | Meritage Homes CORP | Bond | 3.45% | -0.42% | -0.50% | |
| 11 | ON 0.5 03-01-29Bond | On Semiconductor CORP | Bond | 3.36% | -1.93% | -1.10% | |
| 12 | LIVN 2.5 03-15-29Bond | Livanova PLC | Bond | 3.20% | +0.36% | -19.13% | |
| 13 | GWRE 1.25 11-01-29Bond | Guidewire Software Inc | Bond | 3.18% | -0.53% | +705.85% | |
| 14 | FOUR 0.5 08-01-27Bond | Shift4 Payments Inc | Bond | 3.10% | -3.10% | EXIT | |
| 15 | DDOG 0 12-01-29Bond | Datadog Inc | Bond | 3.09% | -0.99% | +97.39% | |
| 16 | PSN 2.625 03-01-29Bond | Parsons CORP | Bond | 2.94% | -0.21% | +24.87% | |
| 17 | MCHP 0.75 06-01-30Bond | Microchip Technology Inc | Bond | 2.91% | -0.21% | — | |
| 18 | GPN 1.5 03-01-31Bond | Global Payments Inc | Bond | 2.81% | -0.36% | +19.63% | |
| 19 | NVST 1.75 08-15-28Bond | Envista Holdings CORP | Bond | 2.67% | -0.36% | — | |
| 20 | WGO 3.25 01-15-30Bond | Winnebago Industries | Bond | 2.52% | -0.38% | -3.44% | |
| 21 | AMPH 2 03-15-29Bond | Amphastar Pharmaceutical | Bond | 2.48% | -1.78% | -8.59% | |
| 22 | PRGS 3.5 03-01-30Bond | Progress Software CORP | Bond | 2.33% | -0.42% | +58.97% | |
| 23 | RGEN 1 12-15-28Bond | Repligen CORP | Bond | 2.32% | -0.08% | +1.49% | |
| 24 | LMAT 2.5 02-01-30Bond | Lemaitre Vascular Inc | Bond | 2.23% | -0.31% | +510.31% | |
| 25 | DBX 0 03-01-28Bond | Dropbox Inc | Bond | 2.09% | +0.36% | +459.23% | |
| 26 | AKAM 1.125 02-15-29Bond | Akamai Technologies Inc | Bond | 2.07% | -1.90% | -5.51% | |
| 27 | LYFT 0.625 03-01-29Bond | Lyft Inc | Bond | 2.07% | -1.12% | -8.34% | |
| 28 | LNTH 2.625 12-15-27Bond | Lantheus Holdings Inc | Bond | 1.82% | -0.26% | -2.25% | |
| 29 | OMCL 1 12-01-29Bond | Omnicell Inc | Bond | 1.81% | +0.07% | +13.21% | |
| 30 | CMS 3.375 05-01-28Bond | Cms Energy CORP | Bond | 1.59% | +0.30% | +479.65% | |
| 31 | PPL 2.875 03-15-28Bond | Ppl Capital Funding Inc | Bond | 1.14% | -0.27% | -29.83% | |
| 32 | LCII 3 03-01-30Bond | Lci Industries | Bond | 1.04% | -0.31% | — | |
| 33 | SPB 3.375 06-01-29Bond | Spectrum Brands Inc | Bond | 0.96% | -0.96% | EXIT | |
| 34 | AVAV 0 07-15-30Bond | Aerovironment Inc | Bond | 0.82% | +2.61% | — | |
| 35 | PCRX 2.125 05-15-29Bond | Pacira Biosciences Inc | Bond | 0.74% | -0.05% | +44.01% | |
| 36 | ARRY 1 12-01-28Bond | Array Technologies Inc | Bond | 0.70% | -0.70% | EXIT | |
| 37 | WKC 3.25 07-01-28Bond | World Kinect Group | Bond | 0.63% | +0.28% | +26.01% | |
| 38 | JAZZ 3.125 09-15-30Bond | Jazz Investments I LTD | Bond | 0.60% | +0.33% | — | |
| 39 | ALRM 2.25 06-01-29Bond | Alarm.com Hldgs Inc | Bond | 0.55% | -0.06% | -67.65% | |
| 40 | SO 4.5 06-15-27Bond | Southern Co | Bond | 0.47% | -0.07% | — | |
| 41 | LYV 2.875 01-15-30Bond | Live Nation Entertainmen | Bond | 0.47% | +0.43% | — | |
| 42 | CNP 4.25 08-15-26Bond | Centerpoint Energy Inc | Bond | 0.46% | -0.46% | EXIT | |
| 43 | CAKE 2 03-15-30Bond | Cheesecake Factory (the) | Bond | 0.43% | +0.38% | — | |
| 44 | BMRN 1.25 05-15-27Bond | Biomarin Pharmaceutical | Bond | 0.41% | +0.45% | -1.06% | |
| 45 | FLR 1.125 08-15-29Bond | Fluor CORP | Bond | 0.35% | +0.38% | -6.82% | |
| 46 | COGT 1.625 11-15-31Bond | Cogent Biosciences Inc | Bond | 0.34% | +0.25% | +15.63% | |
| 47 | TTEK 2.25 08-15-28Bond | Tetra Tech Inc | Bond | 0.32% | +1.01% | -0.12% | |
| 48 | POST 2.5 08-15-27Bond | Post Holdings Inc | Bond | 0.28% | +0.13% | — | |
| 49 | NTNX 0.5 12-15-29Bond | Nutanix Inc | Bond | 0.26% | +1.20% | — | |
| 50 | COLL 2.875 02-15-29Bond | Collegium Pharma Inc | Bond | 0.26% | +0.16% | +3.13% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GWRE 1.25 11-01-29Bond | Guidewire Software Inc | +2.7% | +705.85% | Add |
| 2 | LMAT 2.5 02-01-30Bond | Lemaitre Vascular Inc | +1.9% | +510.31% | Add |
| 3 | DBX 0 03-01-28Bond | Dropbox Inc | +1.7% | +459.23% | Add |
| 4 | DDOG 0 12-01-29Bond | Datadog Inc | +1.5% | +97.39% | Add |
| 5 | CMS 3.375 05-01-28Bond | Cms Energy CORP | +1.3% | +479.65% | Add |
| 6 | PRGS 3.5 03-01-30Bond | Progress Software CORP | +0.6% | +58.97% | Add |
| 7 | AKAM 0.375 09-01-27Bond | Akamai Technologies Inc | +0.5% | -1.34% | Trim |
| 8 | VSH 2.25 09-15-30Bond | Vishay Intertechnology | +0.5% | +5.98% | Add |
| 9 | PSN 2.625 03-01-29Bond | Parsons CORP | +0.4% | +24.87% | Add |
| 10 | GPN 1.5 03-01-31Bond | Global Payments Inc | +0.3% | +19.63% | Add |
| 11 | BOX 1.5 09-15-29Bond | Box Inc | +0.3% | +14.01% | Add |
| 12 | PCRX 2.125 05-15-29Bond | Pacira Biosciences Inc | +0.2% | +44.01% | Add |
| 13 | AKAM 1.125 02-15-29Bond | Akamai Technologies Inc | +0.2% | -5.51% | Trim |
| 14 | SPB 3.375 06-01-29Bond | Spectrum Brands Inc | +0.1% | +2.90% | Add |
| 15 | ON 0.5 03-01-29Bond | On Semiconductor CORP | +0.1% | -1.10% | Trim |
| 16 | LNTH 2.625 12-15-27Bond | Lantheus Holdings Inc | +0.1% | -2.25% | Trim |
| 17 | CNP 4.25 08-15-26Bond | Centerpoint Energy Inc | 0% | -1.95% | Trim |
| 18 | WKC 3.25 07-01-28Bond | World Kinect Group | — | +26.01% | Add |
| 19 | BMRN 1.25 05-15-27Bond | Biomarin Pharmaceutical | — | -1.06% | Trim |
| 20 | FOUR 0.5 08-01-27Bond | Shift4 Payments Inc | 0% | -0.14% | Trim |
| 21 | MTH 1.75 05-15-28Bond | Meritage Homes CORP | -0.1% | -0.50% | Trim |
| 22 | OMCL 1 12-01-29Bond | Omnicell Inc | -0.1% | +13.21% | Add |
| 23 | COGT 1.625 11-15-31Bond | Cogent Biosciences Inc | -0.1% | +15.63% | Add |
| 24 | IMCR 2.5 02-01-30Bond | Immunocore Holdings | -0.2% | — | Unchanged |
| 25 | POST 2.5 08-15-27Bond | Post Holdings Inc | -0.2% | — | Unchanged |
| 26 | WEC 4.375 06-01-27Bond | Wec Energy Group Inc | -0.2% | — | Unchanged |
| 27 | WGO 3.25 01-15-30Bond | Winnebago Industries | -0.2% | -3.44% | Trim |
| 28 | FLR 1.125 08-15-29Bond | Fluor CORP | -0.2% | -6.82% | Trim |
| 29 | BL 1 06-01-29Bond | Blackline Inc | -0.2% | +6.82% | Add |
| 30 | ITRI 1.375 07-15-30Bond | Itron Inc | -0.2% | -0.38% | Trim |
| 31 | TTEK 2.25 08-15-28Bond | Tetra Tech Inc | -0.2% | -0.12% | Trim |
| 32 | PCG 4.25 12-01-27Bond | Pg&e CORP | -0.3% | -7.87% | Trim |
| 33 | AMPH 2 03-15-29Bond | Amphastar Pharmaceutical | -0.3% | -8.59% | Trim |
| 34 | GBX 2.875 04-15-28Bond | Greenbrier Cos Inc | -0.3% | -14.88% | Trim |
| 35 | COLL 2.875 02-15-29Bond | Collegium Pharma Inc | -0.3% | +3.13% | Add |
| 36 | PPL 2.875 03-15-28Bond | Ppl Capital Funding Inc | -0.4% | -29.83% | Trim |
| 37 | RGEN 1 12-15-28Bond | Repligen CORP | -0.4% | +1.49% | Add |
| 38 | SYNA 0.75 12-01-31Bond | Synaptics Inc | -0.5% | -12.36% | Trim |
| 39 | LYFT 0.625 03-01-29Bond | Lyft Inc | -0.6% | -8.34% | Trim |
| 40 | HAE 2.5 06-01-29Bond | Haemonetics CORP | -0.8% | -6.34% | Trim |
| 41 | LIVN 2.5 03-15-29Bond | Livanova PLC | -0.9% | -19.13% | Trim |
| 42 | ALRM 2.25 06-01-29Bond | Alarm.com Hldgs Inc | -1.2% | -67.65% | Trim |
| 43 | F 0 03-15-26Bond | Ford Motor Company | — | EXIT | Sold out |
| 44 | MCHP 0.75 06-01-30Bond | Microchip Technology Inc | — | NEW | New buy |
| 45 | NVST 1.75 08-15-28Bond | Envista Holdings CORP | — | NEW | New buy |
| 46 | SPOT 0 03-15-26Bond | Spotify USA Inc | — | EXIT | Sold out |
| 47 | JBTM 0.25 05-15-26Bond | Jbt Marel CORP | — | EXIT | Sold out |
| 48 | LNT 3.875 03-15-26Bond | Alliant Energy CORP | — | EXIT | Sold out |
| 49 | ENOV 3.875 10-15-28Bond | Enovis CORP | — | EXIT | Sold out |
| 50 | FE 4 05-01-26Bond | Firstenergy CORP | — | EXIT | Sold out |
According to official SEC Form 13F filings, Wellesley Asset Management reported a total U.S. public equity portfolio value of $1.1B across 54 disclosed positions in Q1 2026.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including BOX 1.5 09-15-29, VSH 2.25 09-15-30, SYNA 0.75 12-01-31) accounted for 17.5% of total reported equity market value during Q1 2026.
Top New Position Initiated
MCHP 0.75 06-01-30
市值: $27.7M
Top Position Liquidated / Trimmed
F 0 03-15-26
前期市值: $38.7M
During Q1 2026, Wellesley Asset Management's top holdings by market value included BOX 1.5 09-15-29 (4.8%)、VSH 2.25 09-15-30 (4.2%)、SYNA 0.75 12-01-31 (3.8%). The largest single position, BOX 1.5 09-15-29, represented 4.8% of total portfolio value.
In Q1 2026, Wellesley Asset Management made 63 total portfolio adjustments, initiating 12 new buys, adding to 18 positions, trimming 21 holdings, and fully liquidating 12 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.