Boston Common Asset Management, LLC

CIK 1409427 · View on SEC EDGAR ↗

Portfolio value
$1.7B
#1,699 of 9,443 by 13F value · top 18.0%
Positions
186
As of
June 30, 2026

Portfolio value QoQ: +8.6% 13F does not disclose cash

Top 10 holdings weight
32.92%
Top 25 holdings weight
52.12%
Positions above 1%
24
Effective number of positions
54.2

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 6.07% Est. buys $98,337,259 · sells $154,846,309

Median holding: 4.0 quarters Tracked Q4 2024–Q2 2026 · 46.7% still held

New positions
13
Increased
44
Decreased
113
Closed
11
On this page

Sector breakdown

Technology
30.2%
Industrials
9.7%
Healthcare
9.1%
Communication Services
8.0%
Financial Services
7.6%
Financials
6.8%
Retail
4.3%
Consumer products
2.4%
Materials
2.0%
Telecommunication
1.7%
Consumer Discretionary
1.6%
Utilities
1.4%
Real Estate
1.3%
Packaging
0.2%
Logistics & Transportation
0.2%
Other/Unmapped
13.6%

Full portfolio 186 positions

Type Streak 8Q trend
TSM Taiwan Semiconductor Manufacturing Company Ltd. $126,675,920 7.51% 265,251 $29,468,658 Down ×4
NVDA NVIDIA Corporation - Common Stock $73,001,636 4.33% 364,844 $2,945,679 Down ×3
AAPL Apple Inc. - Common Stock $65,109,762 3.86% 225,013 $4,323,504 Down ×3
MSFT Microsoft Corporation - Common Stock $58,877,104 3.49% 157,839 $5,730,687 Up ×1
GOOGL Alphabet Inc. - Class A Common Stock $50,924,868 3.02% 142,499 $10,446,485 Up ×1
AVGO Broadcom Inc. - Common Stock $42,714,081 2.53% 113,075 $4,475,978 Down ×1
GOOG Alphabet Inc. - Class C Capital Stock $38,914,056 2.31% 110,135 $2,107,336 Down ×6
AMAT Applied Materials, Inc. - Common Stock $35,574,492 2.11% 49,204 $19,728,424 Up ×3
MS Morgan Stanley Common Stock $33,036,473 1.96% 158,039 $6,713,666 Down ×3
V Visa Inc. $30,473,940 1.81% 88,822 $1,673,793 Down ×2
MU Micron Technology, Inc. - Common Stock $27,215,850 1.61% 23,578 $20,842,836 Up ×1
LLY Eli Lilly and Company Common Stock $27,055,543 1.60% 22,557 $4,656,384 Down ×4
MRK Merck & Company, Inc. Common Stock (new) $25,472,298 1.51% 198,228 $1,573,081 Down ×6
VRT Vertiv Holdings, LLC Class A Common Stock $24,744,202 1.47% 73,903 $-246,141 Down ×3
SPOT Spotify Technology S.A. Ordinary Shares $22,925,279 1.36% 49,932 $-2,579,047 Down ×1
HUBB Hubbell Inc Common Stock $22,667,640 1.34% 43,325 $2,663,605 Up ×1
NFLX Netflix, Inc. - Common Stock $22,596,029 1.34% 316,471 $-11,256,559 Down ×1
NUSC $21,871,125 1.30% 419,630 $2,730,440 Down ×2
CL Colgate-Palmolive Company Common Stock $21,178,447 1.26% 231,004 $-142,008 Down ×1
DGX Quest Diagnostics Incorporated Common Stock $20,282,767 1.20% 95,696 $2,580,678 Up ×2
WAB Westinghouse Air Brake Technologies Corporation Common Stock $19,565,681 1.16% 72,573 $1,060,345 Down ×5
CB Chubb Limited Common Stock $17,474,851 1.04% 51,285 $843,621 Up ×1
CRH CRH PLC Ordinary Shares $17,396,809 1.03% 162,587 $-525,205 Down ×5
XYL Xylem Inc. Common Stock New $16,899,065 1.00% 142,958 $-504,796 Down ×1
AWK American Water Works Company, Inc. Common Stock $16,651,054 0.99% 126,547 $-722,195 Down ×1
TJX TJX Companies, Inc. (The) Common Stock $16,447,446 0.97% 108,564 $-1,558,090 Down ×5
BK The Bank of New York Mellon Corporation Common Stock $15,788,086 0.94% 109,177 $2,801,423 Down ×1
RHHBY $15,412,959 0.91% 300,155 $-611,258 Down ×3
ADI Analog Devices, Inc. - Common Stock $15,163,951 0.90% 38,180 $1,953,187 Down ×2
EW Edwards Lifesciences Corporation Common Stock $14,547,234 0.86% 160,814 $2,030,970 Up ×3
PANW Palo Alto Networks, Inc. - Common Stock $14,515,857 0.86% 42,566 $6,949,715 Down ×1
NVS Novartis AG Common Stock $14,377,493 0.85% 91,740 $-2,137,226 Down ×6
ECL Ecolab Inc. Common Stock $13,429,838 0.80% 48,203 $-483,274 Down ×5
FITB Fifth Third Bancorp - Common Stock $13,308,281 0.79% 236,088 $3,391,905 Up ×1
HDB HDFC Bank Limited Common Stock $13,284,834 0.79% 514,318 $-3,262,356 Down ×3
HASI HA Sustainable Infrastructure Capital, Inc. Common Stock $13,187,693 0.78% 337,713 $1,436,145 Up ×2
VZ Verizon Communications Inc. Common Stock $12,984,196 0.77% 306,665 $-2,913,592 Down ×1
CMI Cummins Inc. Common Stock $12,673,028 0.75% 17,769 $2,720,734 Down ×6
TMUS T-Mobile US, Inc. - Common Stock $12,606,587 0.75% 75,160 $-4,938,689 Down ×1
WM Waste Management, Inc. Common Stock $12,457,878 0.74% 55,895 $1,082,354 Up ×1
CBRE CBRE Group Inc Common Stock Class A $12,211,938 0.72% 90,667 $-1,100,664 Down ×1
BAC Bank of America Corporation Common Stock $11,997,538 0.71% 210,557 $293,053 Down ×4
EBAY eBay Inc. - Common Stock $11,460,186 0.68% 102,552 $3,960,047 Up ×1
EMR Emerson Electric Company Common Stock $11,208,931 0.66% 78,302 $1,157,208 Up ×1
SCHW Charles Schwab Corporation (The) Common Stock $10,789,777 0.64% 116,937 $3,995,681 Up ×1
COST Costco Wholesale Corporation - Common Stock $10,721,422 0.64% 11,461 $-1,960,143 Down ×6
GILD Gilead Sciences, Inc. - Common Stock $10,671,055 0.63% 84,463 $-94,302 Up ×1
RL Ralph Lauren Corporation Common Stock $10,547,851 0.63% 26,277 $507,815 Down ×6
MUFG Mitsubishi UFJ Financial Group, Inc. Common Stock $9,695,997 0.57% 487,481 $76,637 Down ×2
VRTX Vertex Pharmaceuticals Incorporated - Common Stock $9,682,758 0.57% 19,493 $2,000,037 Up ×2
ITUB Itau Unibanco Banco Holding SA American Depositary Shares (Each repstg 500 Preferred shares) $9,579,251 0.57% 1,172,491 $761,890 Up ×1
SFM Sprouts Farmers Market, Inc. - Common Stock $9,438,874 0.56% 111,597 $3,219,574 Up ×2
DHR Danaher Corporation Common Stock $9,410,283 0.56% 49,403 $-4,047,525 Down ×5
STLD Steel Dynamics, Inc. - Common Stock $9,333,515 0.55% 40,676 $-149,245 Down ×5
AMD Advanced Micro Devices, Inc. - Common Stock $9,270,162 0.55% 15,958 Up ×1
TT Trane Technologies plc $9,216,617 0.55% 18,765 $1,103,939 Down ×1
UL Unilever PLC American Depositary Shares (each representing One Ordinary Share) $9,181,904 0.54% 152,726 $-138,646 Down ×2
MET MetLife, Inc. Common Stock $9,161,994 0.54% 108,285 $1,417,022 Down ×3
ASML ASML Holding N.V. - New York Registry Shares $8,554,592 0.51% 4,300 $4,199,815 Up ×1
CME CME Group Inc. - Class A Common Stock $8,474,793 0.50% 38,377 $-3,196,553 Down ×3
SIEGY $8,105,198 0.48% 50,371 $1,416,302 Down ×2
AON Aon plc Class A Ordinary Shares (Ireland) $7,918,767 0.47% 23,874 $-697,845 Down ×3
PRYMY $7,764,855 0.46% 92,571 $1,329,802 Down ×6
BKNG Booking Holdings Inc. - Common Stock $7,695,156 0.46% 43,173 $-2,274,882 Up ×1
MIELY $7,679,653 0.46% 104,985 $581,967 Down ×3
FSLR First Solar, Inc. - Common Stock $7,620,328 0.45% 32,295 $1,016,655 Down ×6
SAP SAP SE ADS $7,342,879 0.44% 47,647 $-1,395,851 Down ×1
SCBFY $7,128,709 0.42% 130,826 $3,086,423 Up ×2
AZN AstraZeneca PLC - American Depositary Shares $7,104,493 0.42% 37,467 $-973,638 Down ×3
SBGSY $7,083,958 0.42% 108,683 $647,393 Down ×5
CRM Salesforce, Inc. Common Stock $7,042,494 0.42% 44,954 $-6,766,606 Down ×4
HD Home Depot, Inc. (The) Common Stock $6,934,394 0.41% 19,662 $-1,978,854 Down ×6
HOCPY $6,778,782 0.40% 42,052 $-1,807,662 Down ×2
ATEYY $6,749,258 0.40% 32,439 $2,430,500 Up ×1
LIN Linde plc - Ordinary Shares $6,514,773 0.39% 12,554 $2,997,852 Up ×1
AZO AutoZone, Inc. Common Stock $6,513,326 0.39% 2,038 $912,967 Up ×1
ING ING Group, N.V. Common Stock $6,405,976 0.38% 204,142 $45,113 Down ×5
IX ORIX Corporation American Depositary Shares $6,312,700 0.37% 165,949 $1,059,292 Down ×5
SSEZY $6,232,978 0.37% 191,666 $-1,200,303 Down ×4
SONY Sony Group Corporation American Depositary Shares $6,111,740 0.36% 304,673 $-546,001 Down ×1
STT State Street Corporation Common Stock $6,037,930 0.36% 35,601 $2,145,324 Up ×1
MELI MercadoLibre, Inc. - Common Stock $6,022,340 0.36% 3,548 $-252,274 Down ×3
SGAPY $5,694,200 0.34% 166,157 $-2,025,345 Down ×3
BBVA Banco Bilbao Vizcaya Argentaria S.A. Common Stock $5,693,156 0.34% 227,181 $2,252,963 Up ×1
MRAAY $5,659,508 0.34% 156,340 $3,522,163 Down ×3
SBS Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp American Depositary Shares (Each repstg 250 Common Shares) $5,600,219 0.33% 968,896 Up ×1
OVCHY $5,436,661 0.32% 141,506 $213,979 Down ×3
CIB Grupo Cibest S.A. American Depositary Shares each representing four Preferred Shares $5,329,912 0.32% 67,102 $444,215
ASMIY $5,080,259 0.30% 4,422 $675,338 Down ×3
DTEGY $5,047,918 0.30% 185,041 $-978,991 Up ×1
IDEXY $4,966,840 0.29% 314,955 $337,491 Down ×4
AMGN Amgen Inc. - Common Stock $4,960,320 0.29% 13,698 $-5,468,514 Down ×5
ISNPY $4,919,646 0.29% 119,322 $310,001 Down ×3
AIQUY $4,891,091 0.29% 123,888 $733,586 Up ×1
ATLCY $4,860,100 0.29% 274,272 $558,865 Down ×1
VEOEY $4,775,756 0.28% 229,328 $-17,838 Down ×3
CYATY $4,711,547 0.28% 209,775 $-615,512 Down ×1
TTDKY $4,650,522 0.28% 207,984 $2,033,098 Up ×1
DE Deere & Company Common Stock $4,581,766 0.27% 7,223 $1,158,029 Up ×1
NSRGY $4,429,533 0.26% 43,135 $-124,905 Down ×3

Conviction holdings

Positions increased for 3+ consecutive quarters.

Share counts are as reported in 13F filings (not split-adjusted)

Security Value % of portfolio Streak
AMAT $35,574,492 2.11% up ×3
EW $14,547,234 0.86% up ×3

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
AMD $9,270,162 15,958 0.55%
SBS $5,600,219 968,896 0.33%
IFNNY $4,196,817 44,666 0.25%
CCK $3,334,137 29,817 0.20%
APTV $3,140,692 51,168 0.19%
OTSKY $2,774,153 82,860 0.16%
ASCCY $2,499,917 92,521 0.15%
QCOM $2,456,413 13,293 0.15%
KIM $2,091,400 82,501 0.12%
HPE $2,065,000 45,777 0.12%
ASX $929,337 20,597 0.06%
MDY $211,002 300 0.01%
ITW $203,393 752 0.01%

Top movers (QoQ)

Security Action Shares Δ Value Δ
TSM Trimmed -22K +$29.5M
MU Bought more +5K +$20.8M
AMAT Bought more +3K +$19.7M
NFLX Trimmed -36K -$11.3M
GOOGL Bought more +2K +$10.4M
TCOM Trimmed -136K -$7.8M
PG Trimmed -51K -$7.4M
PANW Trimmed -5K +$6.9M
CRM Trimmed -29K -$6.8M
MS Trimmed -2K +$6.7M

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
AMP Sept. 30, 2025 38,052 $20,309,494 13.4%
REGN June 30, 2025 27,343 $17,341,751 59.0%
HOLX June 30, 2025 272,320 $16,821,206 No longer tracked
ULXXXX Dec. 31, 2025 209,495 $12,418,864 No longer tracked
MBGAF Dec. 31, 2025 193,863 $12,179,879 No longer tracked
AKAM March 31, 2025 111,498 $10,664,784 38.8%
ADBE Sept. 30, 2025 26,658 $10,313,447 -22.4%
BLD March 31, 2026 22,213 $9,267,041 No longer tracked
BKRKY June 30, 2025 727,782 $8,899,537 No longer tracked
AZEK March 31, 2025 172,769 $8,201,344 No longer tracked
CIBXXXX June 30, 2025 195,615 $7,863,723 No longer tracked
CMCSA Sept. 30, 2025 211,510 $7,548,792 -15.2%
ZBH June 30, 2025 60,353 $6,830,753 10.8%
UNM Sept. 30, 2025 81,459 $6,578,629 12.2%
ELV Sept. 30, 2025 15,738 $6,121,452 22.2%
NTAP June 30, 2025 69,312 $6,088,366 81.4%
SW Dec. 31, 2025 139,591 $5,942,389 26.6%
JEF June 30, 2025 107,399 $5,753,364 -3.6%
BALL Sept. 30, 2025 102,202 $5,732,510 24.4%
ULTA March 31, 2025 13,047 $5,674,532 43.0%
PYPL Sept. 30, 2025 76,349 $5,674,258 -8.0%
ASML June 30, 2025 8,377 $5,550,852 118.8%
AXAHY June 30, 2026 111,298 $5,118,261 No longer tracked
VMI March 31, 2025 16,426 $5,037,361 69.0%
KRYAY Sept. 30, 2025 45,326 $4,988,040 No longer tracked
KBH Sept. 30, 2025 90,959 $4,818,098 -13.4%
WY March 31, 2026 200,353 $4,746,363 1.2%
GEHC June 30, 2025 57,525 $4,642,843 1.0%
DHI June 30, 2025 35,671 $4,534,854 15.6%
VOYA March 31, 2025 65,667 $4,519,860 43.4%
OC March 31, 2025 25,532 $4,348,610 3.2%
ORCL March 31, 2025 24,716 $4,118,674 2.0%
ASHTY Dec. 31, 2025 15,204 $4,065,043 No longer tracked
JEF Dec. 31, 2025 61,317 $4,011,358 -14.9%
BYDDY Dec. 31, 2025 281,235 $3,983,356 No longer tracked
AJINY Dec. 31, 2025 137,021 $3,939,409 No longer tracked
TEL March 31, 2025 26,584 $3,800,714 42.1%
ASHGY March 31, 2026 50,572 $3,577,463 No longer tracked
MDLZ March 31, 2025 59,577 $3,558,534 -4.9%
NVO March 31, 2026 61,958 $3,152,423 26.6%
TFC March 31, 2026 63,343 $3,117,109 10.2%
RELX March 31, 2026 75,966 $3,070,546 6.7%
CSLLY March 31, 2025 34,649 $3,020,353 No longer tracked
ENPH June 30, 2025 45,168 $2,802,674 -3.3%
TEL June 30, 2026 12,584 $2,630,308 -0.4%
CFRUY Sept. 30, 2025 132,432 $2,486,424 No longer tracked
SGPYY March 31, 2026 42,241 $2,461,269 No longer tracked
KLAC June 30, 2026 1,654 $2,435,366 -38.3%
EEM March 31, 2026 43,511 $2,380,488 No longer tracked
CCI March 31, 2026 24,832 $2,206,820 -6.6%
URI June 30, 2026 2,994 $2,181,309 -1.2%
TWODY June 30, 2026 171,477 $2,026,858 No longer tracked
VLVLY Sept. 30, 2025 70,645 $1,967,301 No longer tracked
ADYEY June 30, 2026 186,528 $1,859,684 No longer tracked
LNSTY Dec. 31, 2025 59,651 $1,709,705 No longer tracked
BDRFY June 30, 2026 86,435 $1,534,221 No longer tracked
JHXXXXX June 30, 2025 64,297 $1,514,837 No longer tracked
AMADY June 30, 2026 24,222 $1,375,567 No longer tracked
NPSNY Dec. 31, 2025 17,413 $1,262,573 No longer tracked
DASTY Dec. 31, 2025 34,339 $1,150,336 No longer tracked
FERGXXXX Sept. 30, 2025 4,865 $1,061,347 No longer tracked
ACN June 30, 2026 3,604 $714,637 48.7%
MICC March 31, 2026 38,924 $616,948 32.2%
SHG March 31, 2025 17,889 $588,190 124.6%
ICE Dec. 31, 2025 3,485 $587,153 -2.7%
NULV March 31, 2026 13,033 $587,137 No longer tracked
CARR Dec. 31, 2025 9,472 $565,478 14.7%
INTU June 30, 2026 1,288 $556,905 38.7%
RXEEY June 30, 2025 18,635 $498,812 No longer tracked
BRKB March 31, 2026 900 $452,385 No longer tracked
ARE June 30, 2025 4,670 $432,022 -30.3%
MKC Dec. 31, 2025 6,070 $406,144 -17.0%
IWR March 31, 2026 3,602 $346,765 No longer tracked
IWF March 31, 2026 718 $339,829 No longer tracked
BTDPY Dec. 31, 2025 31,579 $331,519 No longer tracked
WEGZY Dec. 31, 2025 47,886 $328,110 No longer tracked
IFNNY June 30, 2025 9,380 $307,972 No longer tracked
NVZMY Dec. 31, 2025 4,625 $283,275 No longer tracked
QQQ March 31, 2026 459 $281,968
SONVY Dec. 31, 2025 4,982 $271,250 No longer tracked
CIEN March 31, 2025 3,015 $255,702 549.1%
APTV June 30, 2025 4,110 $244,545 -29.6%
ORCL Dec. 31, 2025 860 $241,866 -26.9%
HENKY Dec. 31, 2025 12,611 $233,939 No longer tracked
BDX June 30, 2025 1,000 $229,060 38.4%
MPNGY June 30, 2025 5,685 $227,684 No longer tracked
MDY Sept. 30, 2025 400 $226,592 No longer tracked
GSK June 30, 2026 3,804 $209,943 0.0%
PEP June 30, 2025 1,400 $209,916 7.7%
A March 31, 2025 1,555 $208,899 33.2%
GIS June 30, 2025 3,377 $201,911 -23.1%