Boston Common Asset Management, LLC

CIK 0001409427 · Q2 2026

13F Equity AUM

$1.7B

+8.6% QoQ

Positions

186

0 QoQ

AUM Rank

#2,548

Top 20%

Skill Alpha (FF)

-0.9%/yr^ns

No Clear Edge

Rank #4,092 · Top 49%

vs S&P -1.6%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 22.2%Top 10: 32.9%Top 20: 46.9%

TSM7.5%

NVDA4.3%

AAPL3.9%

MSFT3.5%

GOOGL3.0%

AVGO2.5%

GOOG2.3%

AMAT2.1%

DWD2.0%

V1.8%

Others (176)67.1%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Technology31.6%

Financial Services17.6%

Industrials11.8%

Healthcare10.8%

Communication Services10.6%

Consumer Cyclical4.7%

Consumer Defensive4.0%

Basic Materials3.3%

Other5.4%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 186Median: 0.29%Avg: 0.54%

0–0.5%

126(23.5%)

0.5–1%

36(25.3%)

1–3%

19(28.9%)

3–5%

4(14.7%)

5%+

1(7.5%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 0Unique: 186vs 20 funds

0%Low

186

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

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Position Changes This Quarter

New13Increased44Decreased113Exited13

New Positions

AMD0.6%

+16K

SAJA0.3%

+969K

IFNNY0.3%

+45K

CCK0.2%

+30K

APTV0.2%

+51K

OTSKY0.2%

+83K

ASCCY0.1%

+93K

QCOM0.1%

+13K

HPE0.1%

+46K

KIM0.1%

+83K

Increased

BVXB0.6%

+120K(+11%)

PROSY0.2%

+70K(+24%)

BBVA0.3%

+68K(+43%)

SCHW0.6%

+45K(+62%)

LSEGY0.2%

+44K(+78%)

BKNG0.5%

+41K(+1723%)

SCBFY0.4%

+35K(+36%)

SFM0.6%

+31K(+38%)

AIQUY0.3%

+24K(+24%)

FITB0.8%

+23K(+11%)

Decreased

HDB0.8%

-150,762(-23%)

CLV0.2%

-136,236(-58%)

MUFG0.6%

-79,364(-14%)

CYATY0.3%

-56,179(-21%)

PG0.3%

-51,499(-64%)

ASAZY0.2%

-40,358(-16%)

ING0.4%

-40,037(-16%)

MRAAY0.3%

-36,910(-19%)

NVDA4.3%

-36,853(-9%)

NFLX1.3%

-35,610(-10%)

Exited

-111,298

-12,584

-1,654

-2,994

-171,477

-186,528

-86,435

-24,222

-3,604

-1,288

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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