Baldwin Investment Management, LLC — 13F Holdings & Portfolio
CIK 1346378 · latest 13F-HR filed 2026-07-28
Baldwin Investment Management, LLC manages $1.03B in 13F-reported U.S. long-equity assets across 231 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BRK.A (40.20%), LRCX (3.57%), AAPL (2.79%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 30 new positions, exited 9, added to 136, and trimmed 37.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 1-202
WEST CONSHOHOCKEN, PA 19428
$1.03B
Long-equity book
231
Distinct positions
2026-06-30
Filed 2026-07-28
+30 / −9 / ↑136 / ↓37
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- Lam Research Corp$18.0M +94.8%
- Apple Inc$11.0M +61.2%
- Nvidia Corp$7.1M +35.5%
- Alphabet Inc Class A$6.8M +70.6%
- Broadcom Limited$6.3M +28.5%
Top Trims
- Autodesk Inc-$2.0M -78.1%
- Zoetis Inc-$1.5M -56.2%
- Intercontinental Exchange-$845.6K -60.0%
- Nike Inc-$810.8K -71.0%
- Abbott Laboratories-$654.1K -16.0%
New Positions
- Exxon Mobil Corporation$9.3M
- Texas Instruments, Inc.$2.2M
- Honeywell International$1.7M
- Honeywell Aerospace Inc.$1.6M
- Stryker Corp$934.4K
Exited Positions
- Exxon Mobil Corporation$9.4M
- Honeywell International$1.4M
- Zscaler Inc$966.2K
- Vulcan Materials Company$881.7K
- Boston Scientific Corp$692.4K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Berkshire Hathaway Inc A | BRK.A | 084670108 | $415.6M | 40.20% | 555 | SH |
| 2 | Lam Research Corp | LRCX | 512807306 | $36.9M | 3.57% | 85,114 | SH |
| 3 | Apple Inc | AAPL | 037833100 | $28.9M | 2.79% | 99,797 | SH |
| 4 | Broadcom Limited | AVGO | 11135F101 | $28.4M | 2.75% | 75,155 | SH |
| 5 | Nvidia Corp | NVDA | 67066G104 | $27.0M | 2.61% | 134,950 | SH |
| 6 | J.P. Morgan Chase & Co | JPM | 46625H100 | $20.0M | 1.94% | 61,191 | SH |
| 7 | Microsoft Corp | MSFT | 594918104 | $16.6M | 1.60% | 44,413 | SH |
| 8 | Alphabet Inc Class A | GOOGL | 02079K305 | $16.4M | 1.59% | 45,918 | SH |
| 9 | Eli Lilly & Company | LLY | 532457108 | $15.5M | 1.50% | 12,959 | SH |
| 10 | Costco Wholesale Corp | COST | 22160K105 | $13.9M | 1.35% | 14,865 | SH |
| 11 | RTX Corp | RTX | 75513E101 | $11.8M | 1.14% | 62,019 | SH |
| 12 | Amazon.com Inc | AMZN | 023135106 | $11.2M | 1.08% | 46,834 | SH |
| 13 | Berkshire Hathaway Inc B | BRK.B | 084670702 | $9.9M | 0.96% | 19,793 | SH |
| 14 | Palo Alto Networks | PANW | 697435105 | $9.7M | 0.94% | 28,553 | SH |
| 15 | Exxon Mobil Corporation | XOM | 30233Q108 | $9.3M | 0.90% | 67,677 | SH |
| 16 | Caterpillar Inc | CAT | 149123101 | $8.9M | 0.86% | 8,327 | SH |
| 17 | Vertex Pharmaceuticals | VRTX | 92532F100 | $8.4M | 0.81% | 16,870 | SH |
| 18 | Visa Inc. | V | 92826C839 | $8.2M | 0.80% | 23,968 | SH |
| 19 | Vertiv Holdings Co | VRT | 92537N108 | $8.0M | 0.77% | 23,823 | SH |
| 20 | Abbvie Inc | ABBV | 00287Y109 | $7.9M | 0.76% | 31,297 | SH |
| 21 | Taiwan Semiconductor Manufacturing ADR | TSM | 874039100 | $7.8M | 0.76% | 16,395 | SH |
| 22 | Eaton Corp | ETN | G29183103 | $7.4M | 0.72% | 17,394 | SH |
| 23 | Goldman Sachs Group Inc | GS | 38141G104 | $7.1M | 0.69% | 7,008 | SH |
| 24 | Enterprise Products Partners | EPD | 293792107 | $7.0M | 0.68% | 191,338 | SH |
| 25 | Johnson & Johnson | JNJ | 478160104 | $7.0M | 0.68% | 27,516 | SH |
| 26 | Blackrock Inc | BLK | 09290D101 | $6.6M | 0.64% | 6,867 | SH |
| 27 | Linde PLC | LIN | G54950103 | $6.5M | 0.62% | 12,444 | SH |
| 28 | Vanguard S&P 500 Etf | VOO | 922908363 | $6.4M | 0.61% | 9,257 | SH |
| 29 | Dell Inc | DELL | 24703L202 | $5.7M | 0.55% | 13,240 | SH |
| 30 | Nextera Energy | NEE | 65339F101 | $5.5M | 0.53% | 62,458 | SH |
| 31 | Rockwell Automation | ROK | 773903109 | $5.4M | 0.52% | 10,843 | SH |
| 32 | Intuitive Surgical | ISRG | 46120E602 | $5.1M | 0.49% | 12,766 | SH |
| 33 | Thermo Fisher Scientific | TMO | 883556102 | $5.0M | 0.48% | 9,982 | SH |
| 34 | Alphabet Inc Class C | GOOG | 02079K107 | $5.0M | 0.48% | 14,041 | SH |
| 35 | TJX Inc | TJX | 872540109 | $4.8M | 0.47% | 31,845 | SH |
| 36 | Baker Hughes Co | BKR | 05722G100 | $4.8M | 0.47% | 86,680 | SH |
| 37 | S&P Global Inc | SPGI | 78409V104 | $4.7M | 0.45% | 11,421 | SH |
| 38 | Mastercard Inc | MA | 57636Q104 | $4.6M | 0.44% | 8,901 | SH |
| 39 | Home Depot Inc | HD | 437076102 | $4.3M | 0.42% | 12,291 | SH |
| 40 | Capital One Financial | COF | 14040H105 | $4.2M | 0.41% | 20,953 | SH |
| 41 | Morgan Stanley & Co | MS | 617446448 | $4.2M | 0.41% | 20,065 | SH |
| 42 | Lowes Companies Inc | LOW | 548661107 | $3.8M | 0.37% | 17,240 | SH |
| 43 | Vanguard Total Stock Market ETF | VTI | 922908769 | $3.7M | 0.36% | 9,962 | SH |
| 44 | Darden Restaurants Inc | DRI | 237194105 | $3.5M | 0.34% | 16,895 | SH |
| 45 | Union Pacific Corp | UNP | 907818108 | $3.5M | 0.34% | 12,763 | SH |
| 46 | Abbott Laboratories | ABT | 002824100 | $3.4M | 0.33% | 37,845 | SH |
| 47 | Southern Company | SO | 842587107 | $3.2M | 0.31% | 33,202 | SH |
| 48 | Crowdstrike Hldgs Inc | CRWD | 22788C105 | $3.2M | 0.31% | 4,143 | SH |
| 49 | Waste Management Inc | WM | 94106L109 | $3.1M | 0.30% | 13,806 | SH |
| 50 | Ulta Beauty Inc. | ULTA | 90384S303 | $3.0M | 0.29% | 6,690 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-28 | $1.03B | 231 | 0001346378-26-000003 |
| 2026-03-31 | 2026-05-12 | $855.7M | 210 | 0001346378-26-000002 |
| 2025-12-31 | 2026-02-13 | $885.8M | 207 | 0001346378-26-000001 |
| 2025-09-30 | 2025-11-10 | $873.4M | 207 | 0001346378-25-000009 |