AI Portfolio Summary
In 2025 Q4, Baldwin Investment Management, LLC maintained a portfolio of 212 distinct positions. They heavily accumulated shares in Broadcom Limited, increasing their position by 1.7%. Conversely, Baldwin Investment Management, LLC completely exited their position in Fiserv Inc.
Total Positions
212
Quarter
2025 Q4
Top Holding
BRK/A (47.4%)
Top 10 Concentration
63.9%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 212
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BRK/A
Berkshire Hatha...
|
Financial Services | 47.38% | 48.01% |
#1
Prev: #1
|
7.0 | no change | no change |
P
S
|
556 | $419,668,800 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AVGO
Broadcom Limite...
|
Technology | 2.87% | 2.73% |
#2
Prev: #2
|
3.1 | 1,208 | 1.7% |
P
S
|
73,420 | $25,410,786 | 2016 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
Nvidia Corp
|
Technology | 2.43% | 2.52% |
#3
Prev: #3
|
2.5 | -2,560 | -2.2% |
P
S
|
115,629 | $21,564,803 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAPL
Apple Inc
|
Technology | 2.15% | 2.11% |
#4
Prev: #4
|
1.9 | -2,536 | -3.5% |
P
S
|
69,950 | $19,016,614 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LRCX
Lam Research Co...
|
Technology | 1.90% | 1.53% |
#5
2
Prev: #7
|
1.8 | -1,894 | -1.9% |
P
S
|
98,134 | $16,798,536 | 2016 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
Microsoft Corp
|
Technology | 1.77% | 1.94% |
#6
1
Prev: #5
|
1.2 | -277 | -0.8% |
P
S
|
32,411 | $15,674,608 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
JPM
J.P. Morgan Cha...
|
Financial Services | 1.75% | 1.76% |
#7
1
Prev: #6
|
1.2 | -675 | -1.4% |
P
S
|
48,114 | $15,503,367 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
LLY
Eli Lilly & Com...
|
Healthcare | 1.33% | 0.97% |
#8
3
Prev: #11
|
1.0 | -103 | -0.9% |
P
S
|
10,976 | $11,795,756 | 2020 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOGL
Alphabet Inc Cl...
|
Communication Services | 1.19% | 0.94% |
#9
3
Prev: #12
|
1.0 | -190 | -0.6% |
P
S
|
33,629 | $10,525,922 | 2015 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
COST
Costco Wholesal...
|
Consumer Defensive | 1.11% | 1.17% |
#10
2
Prev: #8
|
0.9 | 308 | 2.8% |
P
S
|
11,356 | $9,792,580 | 2008 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMZN
Amazon.com Inc
|
Consumer Cyclical | 1.07% | 1.04% |
#11
1
Prev: #10
|
0.9 | -172 | -0.4% |
P
S
|
41,192 | $9,507,937 | 2010 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRK/B
Berkshire Hatha...
|
Financial Services | 1.03% | 1.09% |
#12
3
Prev: #9
|
0.9 | -804 | -4.2% |
P
S
|
18,174 | $9,135,161 | 2022 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
RTX
RTX Corp
|
Industrials | 0.93% | 0.83% |
#13
1
Prev: #14
|
0.9 | 1,601 | 3.7% |
P
S
|
44,853 | $8,226,112 | 2020 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
V
Visa Inc.
|
Financial Services | 0.84% | 0.84% |
#14
1
Prev: #13
|
0.8 | -214 | -1.0% |
P
S
|
21,322 | $7,477,879 | 2008 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VRTX
Vertex Pharmace...
|
Healthcare | 0.80% | 0.71% |
#15
2
Prev: #17
|
0.8 | -194 | -1.2% |
P
S
|
15,554 | $7,051,561 | 2021 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
XOM
Exxon Mobil Cor...
|
Energy | 0.77% | 0.73% |
#16
Prev: #16
|
0.8 | -562 | -1.0% |
P
S
|
56,311 | $6,776,435 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ABBV
Abbvie Inc
|
Healthcare | 0.74% | 0.77% |
#17
2
Prev: #15
|
0.8 | -431 | -1.5% |
P
S
|
28,549 | $6,523,147 | 2013 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EPD
Enterprise Prod...
|
Energy | 0.69% | 0.69% |
#18
Prev: #18
|
0.8 | -452 | -0.2% |
P
S
|
191,988 | $6,155,135 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ISRG
Intuitive Surgi...
|
Healthcare | 0.68% | 0.54% |
#19
8
Prev: #27
|
0.8 | 4 | 0.0% |
P
S
|
10,566 | $5,984,160 | 2022 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VOO
Vanguard S&P 50...
|
ETF | 0.63% | 0.62% |
#20
1
Prev: #21
|
0.8 | 73 | 0.8% |
P
S
|
8,884 | $5,571,374 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GS
Goldman Sachs G...
|
Financial Services | 0.63% | 0.59% |
#21
2
Prev: #23
|
0.8 | -109 | -1.7% |
P
S
|
6,308 | $5,544,645 | 2006 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPGI
S&P Global Inc
|
Financial Services | 0.62% | 0.57% |
#22
2
Prev: #24
|
0.7 | 229 | 2.2% |
P
S
|
10,471 | $5,472,191 | 2021 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSM
Taiwan Semicond...
|
Technology | 0.57% | 0.53% |
#23
6
Prev: #29
|
0.7 | -85 | -0.5% |
P
S
|
16,507 | $5,016,312 | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ABT
Abbott Laborato...
|
Healthcare | 0.56% | 0.61% |
#24
2
Prev: #22
|
0.7 | 91 | 0.2% |
P
S
|
39,556 | $4,956,000 | 2008 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BLK
Blackrock Inc
|
Financial Services | 0.56% | 0.62% |
#25
5
Prev: #20
|
0.7 | -34 | -0.7% |
P
S
|
4,617 | $4,941,423 | 2013 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FISV
Fiserv Inc
|
Unknown | 0.00% | 0.18% |
Sold All 😨
(Was: #71) |
0.0 | -12,325 | -100.0% |
CLOSED
|
— | $— | 2018 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
STZ
Constellation B...
|
Consumer Defensive | 0.00% | 0.06% |
Sold All 😨
(Was: #146) |
0.0 | -4,102 | -100.0% |
CLOSED
|
— | $— | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TXN
Texas Instrumen...
|
Technology | 0.00% | 0.04% |
Sold All 😨
(Was: #175) |
0.0 | -1,777 | -100.0% |
CLOSED
|
— | $— | 2005 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HUBS
HubSpot Inc
|
Technology | 0.00% | 0.03% |
Sold All 😨
(Was: #184) |
0.0 | -617 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
KD
Kyndryl Holding...
|
Technology | 0.00% | 0.03% |
Sold All 😨
(Was: #191) |
0.0 | -8,380 | -100.0% |
CLOSED
|
— | $— | 2025 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-25 of 212 holdings