Filed: 5/11/2026ACC: 0001533551-26-000003
📋 What this filing means
WELLESLEY ASSET MANAGEMENT filed this quarterly 13F‑HR report disclosing 54 equity positions with a total reported market value of $952.53M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
54
Positions
$952.53M
Total AUM (reported)
985.18M
Total Shares
Allocation by class
6/1/2029$82.92M8.7%
3/1/2029$79.73M8.4%
3/15/2029$54.12M5.7%
12/1/2029$46.65M4.9%
9/15/2029$45.33M4.8%
9/15/2030$45.24M4.7%
7/15/2030$42.19M4.4%
Portfolio Concentration
Top 3$121.04M12.7%
4–10$238.22M25.0%
11–25$392.56M41.2%
Rest$200.70M21.1%
Top 3 weight
12.7%
Top 10 weight
37.7%
Voting Authority Distribution
Total shares with voting rights: 985.18M
Sole
Full voting authority
641.61M
shares
% of voting shares65.1%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
343.57M
shares
% of voting shares34.9%
Investment Discretion (by position count)
Sole54
Shared0
Other0
Dominant voting typeSole · 65.1% of voting shares
Institutional Holdings54
Rows:
BOX US
SOLEShares51.18M
TypePRN
Market value$45.33M
4.76%
Sole
32.43M
Shared
0.00
None
18.75M
VSH US
SOLEShares41.31M
TypePRN
Market value$39.56M
4.15%
Sole
20.81M
Shared
0.00
None
20.50M
SYNA US
SOLEShares34.33M
TypePRN
Market value$36.15M
3.80%
Sole
28.20M
Shared
0.00
None
6.13M
PCG US
SOLEShares34.09M
TypePRN
Market value$35.55M
3.73%
Sole
20.09M
Shared
0.00
None
14M
HAE US
SOLEShares38.25M
TypePRN
Market value$34.81M
3.65%
Sole
23.50M
Shared
0.00
None
14.75M
ITRI US
SOLEShares35.99M
TypePRN
Market value$34.38M
3.61%
Sole
26.75M
Shared
0.00
None
9.25M
AKAM US
SOLEShares29M
TypePRN
Market value$33.88M
3.56%
Sole
29M
Shared
0.00
None
0.00
BL US
SOLEShares36.92M
TypePRN
Market value$33.70M
3.54%
Sole
32.17M
Shared
0.00
None
4.75M
GBX US
SOLEShares28.47M
TypePRN
Market value$33.02M
3.47%
Sole
23.47M
Shared
0.00
None
5M
MTH US
SOLEShares33.97M
TypePRN
Market value$32.90M
3.45%
Sole
17.97M
Shared
0.00
None
16M
ON US
SOLEShares32.59M
TypePRN
Market value$32.02M
3.36%
Sole
18.59M
Shared
0.00
None
14M
LIVN US
SOLEShares27.60M
TypePRN
Market value$30.50M
3.20%
Sole
23.18M
Shared
0.00
None
4.42M
GWRE US
SOLEShares32.23M
TypePRN
Market value$30.27M
3.18%
Sole
27.23M
Shared
0.00
None
5M
FOUR US
SOLEShares31.39M
TypePRN
Market value$29.51M
3.10%
Sole
17.39M
Shared
0.00
None
14M
DDOG US
SOLEShares30.30M
TypePRN
Market value$29.40M
3.09%
Sole
25.30M
Shared
0.00
None
5M
PSN US
SOLEShares29.68M
TypePRN
Market value$27.97M
2.94%
Sole
20.68M
Shared
0.00
None
9M
MCHP US
SOLEShares27.87M
TypePRN
Market value$27.71M
2.91%
Sole
27.87M
Shared
0.00
None
0.00
GPN US
SOLEShares32.11M
TypePRN
Market value$26.73M
2.81%
Sole
11.16M
Shared
0.00
None
20.95M
NVST US
SOLEShares25.42M
TypePRN
Market value$25.41M
2.67%
Sole
25.42M
Shared
0.00
None
0.00
WGO US
SOLEShares26.52M
TypePRN
Market value$23.99M
2.52%
Sole
7.82M
Shared
0.00
None
18.70M
AMPH US
SOLEShares26.03M
TypePRN
Market value$23.62M
2.48%
Sole
17.03M
Shared
0.00
None
9M
PRGS US
SOLEShares26.02M
TypePRN
Market value$22.19M
2.33%
Sole
20.52M
Shared
0.00
None
5.50M
RGEN US
SOLEShares24.48M
TypePRN
Market value$22.11M
2.32%
Sole
19.73M
Shared
0.00
None
4.75M
LMAT US
SOLEShares19.84M
TypePRN
Market value$21.22M
2.23%
Sole
15.84M
Shared
0.00
None
4M
DBX US
SOLEShares22.40M
TypePRN
Market value$19.92M
2.09%
Sole
18.40M
Shared
0.00
None
4M
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BOX USSOLE | 9/15/2029 | 51.18M | PRN | $45.33M 4.76% | 32.43M | 0.00 | 18.75M |
VSH USSOLE | 9/15/2030 | 41.31M | PRN | $39.56M 4.15% | 20.81M | 0.00 | 20.50M |
SYNA USSOLE | 12/1/2031 | 34.33M | PRN | $36.15M 3.80% | 28.20M | 0.00 | 6.13M |
PCG USSOLE | 12/1/2027 | 34.09M | PRN | $35.55M 3.73% | 20.09M | 0.00 | 14M |
HAE USSOLE | 6/1/2029 | 38.25M | PRN | $34.81M 3.65% | 23.50M | 0.00 | 14.75M |
ITRI USSOLE | 7/15/2030 | 35.99M | PRN | $34.38M 3.61% | 26.75M | 0.00 | 9.25M |
AKAM USSOLE | 9/1/2027 | 29M | PRN | $33.88M 3.56% | 29M | 0.00 | 0.00 |
BL USSOLE | 6/1/2029 | 36.92M | PRN | $33.70M 3.54% | 32.17M | 0.00 | 4.75M |
GBX USSOLE | 4/15/2028 | 28.47M | PRN | $33.02M 3.47% | 23.47M | 0.00 | 5M |
MTH USSOLE | 5/15/2028 | 33.97M | PRN | $32.90M 3.45% | 17.97M | 0.00 | 16M |
ON USSOLE | 3/1/2029 | 32.59M | PRN | $32.02M 3.36% | 18.59M | 0.00 | 14M |
LIVN USSOLE | 3/15/2029 | 27.60M | PRN | $30.50M 3.20% | 23.18M | 0.00 | 4.42M |
GWRE USSOLE | 11/1/2029 | 32.23M | PRN | $30.27M 3.18% | 27.23M | 0.00 | 5M |
FOUR USSOLE | 8/1/2027 | 31.39M | PRN | $29.51M 3.10% | 17.39M | 0.00 | 14M |
DDOG USSOLE | 12/1/2029 | 30.30M | PRN | $29.40M 3.09% | 25.30M | 0.00 | 5M |
PSN USSOLE | 3/1/2029 | 29.68M | PRN | $27.97M 2.94% | 20.68M | 0.00 | 9M |
MCHP USSOLE | 6/1/2030 | 27.87M | PRN | $27.71M 2.91% | 27.87M | 0.00 | 0.00 |
GPN USSOLE | 3/1/2031 | 32.11M | PRN | $26.73M 2.81% | 11.16M | 0.00 | 20.95M |
NVST USSOLE | 8/15/2028 | 25.42M | PRN | $25.41M 2.67% | 25.42M | 0.00 | 0.00 |
WGO USSOLE | 1/15/2030 | 26.52M | PRN | $23.99M 2.52% | 7.82M | 0.00 | 18.70M |
AMPH USSOLE | 3/15/2029 | 26.03M | PRN | $23.62M 2.48% | 17.03M | 0.00 | 9M |
PRGS USSOLE | 3/1/2030 | 26.02M | PRN | $22.19M 2.33% | 20.52M | 0.00 | 5.50M |
RGEN USSOLE | 12/15/2028 | 24.48M | PRN | $22.11M 2.32% | 19.73M | 0.00 | 4.75M |
LMAT USSOLE | 2/1/2030 | 19.84M | PRN | $21.22M 2.23% | 15.84M | 0.00 | 4M |
DBX USSOLE | 3/1/2028 | 22.40M | PRN | $19.92M 2.09% | 18.40M | 0.00 | 4M |
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