Institutional Manager · CIK 0001409427
Boston Common Asset Management, LLC
BOSTON, MA · File #028-12579
Latest AUM
$1.97B
Positions
196
Top-10 Concentration
45.9%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | MITSUBISHI UFJ FIN | J44497105 | -2,963,618 | -$48.0M | $0 |
| EXITED | SIEMENS AG | D69671218 | -153,558 | -$41.4M | $0 |
| EXITED | SCHNEIDER ELECTRIC | F86921107 | -147,713 | -$41.2M | $0 |
| ADD | Taiwan Semiconductor Manufacturing Co., Ltd. | 874039100 | +134,961 | +$41.0M | +$10.0M |
| EXITED | PRYSMIAN SPA | T7630L105 | -391,205 | -$38.7M | $0 |
| EXITED | SONY GROUP CORPORA | J76379106 | -1,341,436 | -$38.7M | $0 |
| EXITED | NASPERS | S53435111 | -105,882 | -$38.4M | $0 |
| EXITED | OVERSEA-CHINESE BK | Y64248209 | -2,941,517 | -$37.5M | $0 |
| EXITED | SINGAPORE TELECOMM | Y79985209 | -11,638,240 | -$37.3M | $0 |
| EXITED | SSE PLC | G8842P102 | -1,435,775 | -$33.7M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025196 pos · $1.97B
- 13F HOLDINGS REPORTQ/E Sep 2025309 pos · $3.58B
- 13F HOLDINGS REPORTQ/E Jun 2025311 pos · $3.57B
- 13F HOLDINGS REPORTQ/E Mar 2025307 pos · $3.29B
- 13F HOLDINGS REPORTQ/E Dec 2024322 pos · $3.43B
- 13F HOLDINGS REPORTQ/E Sep 2024334 pos · $3.8M
- 13F HOLDINGS REPORTQ/E Jun 2024335 pos · $3.9M
- 13F HOLDINGS REPORTQ/E Mar 2024327 pos · $4.2M
- 13F HOLDINGS REPORTQ/E Dec 2023324 pos · $4.2M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Taiwan Semiconductor Manufacturing Co., Ltd. | 874039100 | 542,072 | $164.7M | 11.94% |
| 2 | NVIDIA Corp. | NVDA | 390,121 | $72.8M | 5.27% |
| 3 | Microsoft Corp. | MSFT | 145,215 | $70.2M | 5.09% |
| 4 | Apple Inc. | AAPL | 245,783 | $66.8M | 4.84% |
| 5 | HDFC Bank Ltd. | HDB | 1,537,511 | $56.2M | 4.07% |
| 6 | Alphabet Inc. | GOOG | 175,739 | $55.0M | 3.99% |
| 7 | Broadcom Inc | AVGO | 114,047 | $39.5M | 2.86% |
| 8 | Alphabet Inc. | GOOG | 120,397 | $37.8M | 2.74% |
| 9 | Morgan Stanley | MS-PQ | 212,606 | $37.7M | 2.74% |
| 10 | Visa Inc | V | 93,636 | $32.8M | 2.38% |
| 11 | Netflix, Inc. | NFLX | 346,527 | $32.5M | 2.36% |
| 12 | Eli Lilly & Co. | LLY | 29,538 | $31.7M | 2.30% |
| 13 | CRH Plc | CRH | 244,413 | $30.5M | 2.21% |
| 14 | Merck & Co., Inc | MRK | 255,480 | $26.9M | 1.95% |
| 15 | Trip.com Group Ltd. | TRPCF | 335,934 | $24.2M | 1.75% |
| 16 | Salesforce Inc. | CRM | 86,532 | $22.9M | 1.66% |
| 17 | Colgate-Palmolive Co. | CL | 286,759 | $22.7M | 1.64% |
| 18 | Hubbell Incorporated | HUBB | 50,853 | $22.6M | 1.64% |
| 19 | Mercadolibre Inc | MELI | 10,674 | $21.5M | 1.56% |
| 20 | Vertiv Holdings Co | VRT | 132,155 | $21.4M | 1.55% |