Wellesley Asset Management

All Holdings — 2025 Q4

AI Portfolio Summary
In 2025 Q4, Wellesley Asset Management maintained a portfolio of 67 distinct positions. The most significant new addition to the portfolio was SYNA US, which now represents 4.04% of the total fund value. The fund also reduced its exposure to BMRN US by 85.2%.
PCA Score Concentration Risk
Risk ENB
Total Positions
67
Quarter
2025 Q4
Top Holding
N/A (4.5%)
Top 10 Concentration
39.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 67
Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
N/A
HAE US
—
Unknown 4.46% 2.63% #1 17
Prev: #18
4.3 515,000 1.8%
P
S
28,880,000 $29,968,055,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
BOX US
—
Unknown 4.29% 3.22% #2 9
Prev: #11
3.7 -2,172,000 -6.8%
P
S
29,883,000 $28,858,312,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PCG US
—
Unknown 4.21% 4.16% #3
Prev: #3
2.7 -13,301,000 -32.7%
P
S
27,401,000 $28,321,812,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
F US
—
Unknown 4.10% 4.44% #4 3
Prev: #1
2.1 -17,020,000 -39.2%
P
S
26,377,000 $27,565,945,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
SYNA US
—
Unknown 4.04% — #5
Prev: #—
5.6 25,483,000 no change
NEW
 25,483,000 $27,139,395,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LIVN US
—
Unknown 3.88% 4.38% #6 4
Prev: #2
1.6 -18,534,000 -45.0%
P
S
22,640,000 $26,054,906,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
VSH US
—
Unknown 3.71% 3.90% #7 1
Prev: #6
1.5 -15,402,000 -36.1%
P
S
27,313,000 $24,907,955,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
GBX US
—
Unknown 3.65% 3.01% #8 4
Prev: #12
2.0 -5,313,000 -19.0%
P
S
22,587,000 $24,518,981,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
MTH US
—
Unknown 3.60% 3.90% #9 4
Prev: #5
1.4 -13,326,000 -35.2%
P
S
24,533,000 $24,206,835,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
ITRI US
—
Unknown 3.45% 0.43% #10 32
Prev: #42
4.4 18,969,000 505.8%
P
S
22,719,000 $23,185,990,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
ON US
—
Unknown 3.29% 3.68% #11 2
Prev: #9
1.3 -16,626,000 -41.9%
P
S
23,049,000 $22,128,770,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
WGO US
—
Unknown 3.25% 2.79% #12 4
Prev: #16
1.3 -7,822,000 -25.2%
P
S
23,163,000 $21,866,567,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
FOUR US
—
Unknown 3.23% 1.77% #13 15
Prev: #28
3.8 4,703,000 26.2%
P
S
22,658,000 $21,719,506,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
BL US
—
Unknown 3.07% 3.68% #14 6
Prev: #8
1.2 -16,200,000 -45.1%
P
S
19,740,000 $20,659,687,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
GPN US
—
Unknown 2.88% 2.36% #15 6
Prev: #21
1.7 -4,038,000 -15.8%
P
S
21,553,000 $19,341,770,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LYFT US
—
Unknown 2.84% 3.39% #16 6
Prev: #10
1.1 -10,536,000 -40.2%
P
S
15,696,000 $19,106,113,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
AMPH US
—
Unknown 2.74% 3.86% #17 10
Prev: #7
1.1 -22,407,000 -52.9%
P
S
19,950,000 $18,420,234,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
AKAM US
—
Unknown 2.50% 1.82% #18 8
Prev: #26
1.5 -2,231,000 -11.6%
P
S
17,050,000 $16,773,193,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
AKAM US
—
Unknown 2.40% 2.96% #19 6
Prev: #13
1.0 -14,755,000 -47.8%
P
S
16,107,000 $16,108,772,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
OMCL US
—
Unknown 2.29% — #20
Prev: #—
4.4 14,254,000 no change
NEW
 14,254,000 $15,381,349,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
RGEN US
—
Unknown 2.27% 2.47% #21 1
Prev: #20
0.9 -9,965,000 -41.8%
P
S
13,873,000 $15,264,462,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
SPOT US
—
Unknown 2.15% 2.94% #22 8
Prev: #14
0.9 -8,538,000 -39.9%
P
S
12,846,000 $14,477,378,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PSN US
—
Unknown 2.13% 2.88% #23 8
Prev: #15
0.9 -11,044,000 -44.4%
P
S
13,845,000 $14,298,910,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
ALRM US
—
Unknown 2.13% 0.94% #24 9
Prev: #33
3.9 5,114,000 51.9%
P
S
14,970,000 $14,286,695,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
ENOV US
—
Unknown 1.77% — #25
Prev: #—
4.2 12,115,000 no change
NEW
 12,115,000 $11,866,703,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PRGS US
—
Unknown 1.68% 0.36% #26 20
Prev: #46
3.7 7,773,000 222.1%
P
S
11,273,000 $11,302,761,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
FE US
—
Unknown 1.55% — #27
Prev: #—
4.1 10,176,000 no change
NEW
 10,176,000 $10,452,635,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
JBTM US
—
Unknown 1.50% 2.12% #28 5
Prev: #23
0.6 -11,073,000 -53.0%
P
S
9,824,000 $10,093,326,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PPL US
—
Unknown 1.38% 1.58% #29
Prev: #29
0.6 -5,536,000 -39.6%
P
S
8,453,000 $9,295,638,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
SPB US
—
Unknown 1.27% 1.97% #30 6
Prev: #24
0.5 -12,100,000 -57.3%
P
S
9,000,000 $8,548,380,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LNTH US
—
Unknown 1.16% — #31
Prev: #—
4.0 6,807,000 no change
NEW
 6,807,000 $7,811,408,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
DDOG US
—
Unknown 1.08% — #32
Prev: #—
3.9 7,308,000 no change
NEW
 7,308,000 $7,256,078,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LNT US
—
Unknown 1.01% 1.47% #33 2
Prev: #31
0.4 -7,203,000 -52.6%
P
S
6,479,000 $6,786,721,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
COLL US
—
Unknown 0.84% 0.41% #34 10
Prev: #44
2.3 500,000 14.3%
P
S
4,000,000 $5,619,040,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
TTEK US
—
Unknown 0.73% 0.38% #35 10
Prev: #45
2.8 1,010,000 28.9%
P
S
4,500,000 $4,893,953,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
COGT US
—
Unknown 0.69% — #36
Prev: #—
3.8 4,000,000 no change
NEW
 4,000,000 $4,650,220,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
WKC US
—
Unknown 0.68% 0.50% #37 3
Prev: #40
0.8 -220,000 -4.9%
P
S
4,272,000 $4,557,113,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
POST US
—
Unknown 0.64% — #38
Prev: #—
3.8 4,000,000 no change
NEW
 4,000,000 $4,324,040,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
GWRE US
—
Unknown 0.64% — #39
Prev: #—
3.8 4,000,000 no change
NEW
 4,000,000 $4,280,520,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
DBX US
—
Unknown 0.59% — #40
Prev: #—
3.7 4,000,000 no change
NEW
 4,000,000 $3,995,640,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
BMRN US
—
Unknown 0.57% 2.56% #41 22
Prev: #19
0.2 -22,963,000 -85.2%
P
S
4,000,000 $3,844,600,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
IMCR US
—
Unknown 0.55% 0.33% #42 6
Prev: #48
2.2 500,000 13.9%
P
S
4,100,000 $3,699,246,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
FLR US
—
Unknown 0.55% 0.57% #43 4
Prev: #39
0.2 -1,582,000 -33.4%
P
S
3,150,000 $3,688,587,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
MKSI US
—
Unknown 0.54% 0.31% #44 7
Prev: #51
1.2 no change no change
P
S
2,750,000 $3,630,413,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
TYL US
—
Unknown 0.52% 0.32% #45 4
Prev: #49
2.2 500,000 16.7%
P
S
3,500,000 $3,503,938,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
WEC US
—
Unknown 0.51% 0.42% #46 3
Prev: #43
0.7 -500,000 -14.3%
P
S
3,000,000 $3,411,045,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
CSWC US
—
Unknown 0.51% 1.82% #47 22
Prev: #25
0.2 -14,979,000 -81.4%
P
S
3,430,000 $3,401,188,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
ORA US
—
Unknown 0.50% 0.79% #48 13
Prev: #35
0.2 -3,885,000 -61.2%
P
S
2,464,000 $3,377,380,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PCRX US
—
Unknown 0.50% 0.17% #49 6
Prev: #55
3.2 1,741,000 106.3%
P
S
3,379,000 $3,350,143,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LMAT US
—
Unknown 0.48% — #50
Prev: #—
3.7 3,250,000 no change
NEW
 3,250,000 $3,233,214,000 — 13F Filing 2025-12-31 2026-02-14 (Est.)
Showing 1-50 of 67 holdings

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