CIK: 0001463753
Total reported value
$425.9M
Reporting period: 2026-03-31 · Number of holdings: 185
Ipswich Investment Management Co., Inc. disclosed 185 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $425.9M and a quarterly turnover rate of 18.1%.
Browse other institutions with $100M to $1B AUMBrowse other institutions starting with "I"
Ipswich Investment Management Co., Inc.'s disclosed holdings carry a Herfindahl concentration index of 0.019 — mathematically equivalent to about 53 equally-sized positions, well below its 185 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.59), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Trim MSFT
-0.7% -$7.2M
Add XOM
-4.5% $3.7M
Trim GOOGL
-6.0% -$2.5M
Trim NVO
-41.1% -$2.2M
Add TPL
-9.3% $2.0M
Trim ACN
-12.0% -$2.0M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MSFT | Microsoft CORP | Stock-Tech | 5.35% | -1.59% | -0.66% | |
| 2 | AAPL | Apple INC | Stock-Tech | 5.01% | -0.35% | -1.26% | |
| 3 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 3.75% | -0.53% | -5.97% | |
| 4 | XOM | Exxon Mobil CORP | Stock-Energy | 3.41% | +0.92% | -4.48% | |
| 5 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 3.30% | +0.41% | -2.48% | |
| 6 | IWV | Ishares Russell 3000 ETF | ETF-Other | 3.21% | -0.22% | -3.87% | |
| 7 | JPM | Jpmorgan Chase & Co | Stock-Financials | 3.10% | -0.26% | -0.50% | |
| 8 | NVDA | Nvidia CORP | Stock-Tech | 2.92% | -0.20% | -1.27% | |
| 9 | CAT | Caterpillar INC | Stock-Industrials | 2.62% | +0.45% | -3.38% | |
| 10 | AMZN | Amazon.com INC | Stock-Consumer Disc | 2.36% | -0.28% | -2.07% | |
| 11 | JNJ | Johnson & Johnson | Stock-Healthcare | 2.12% | +0.32% | -1.54% | |
| 12 | V | Visa Inc-class A Shares | Stock-Financials | 1.89% | -0.33% | -2.18% | |
| 13 | CVX | Chevron CORP | Stock-Energy | 1.78% | +0.45% | -3.02% | |
| 14 | ASML | ASML Holding N.V. | Stock-Tech | 1.77% | +0.28% | -4.97% | |
| 15 | TJX | Tjx Companies INC | Stock-Consumer Disc | 1.75% | — | -2.81% | |
| 16 | TXN | Texas Instruments INC | Stock-Tech | 1.68% | +0.14% | -3.81% | |
| 17 | PGR | Progressive CORP | Stock-Financials | 1.50% | -0.23% | -1.94% | |
| 18 | LIN | Linde plc | Stock-Materials | 1.46% | +0.22% | -0.28% | |
| 19 | MRSH | Marsh & Mclennan Cos | Stock-Financials | 1.46% | -0.14% | -3.88% | |
| 20 | TPL | Texas Pacific Land CORP | Stock-Energy | 1.40% | +0.48% | -9.33% | |
| 21 | WSO | Watsco INC | Stock-Industrials | 1.39% | — | -2.56% | |
| 22 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.36% | -0.40% | -10.79% | |
| 23 | MRK | Merck & Co. INC. | Stock-Healthcare | 1.33% | +0.18% | -0.11% | |
| 24 | AMGN | Amgen INC | Stock-Healthcare | 1.31% | — | -1.43% | |
| 25 | PANW | Palo Alto Networks INC | Stock-Tech | 1.30% | -0.19% | -1.59% | |
| 26 | OKE | Oneok INC | Stock-Energy | 1.26% | +0.17% | -7.23% | |
| 27 | CB | Chubb Limited | Stock-Financials | 1.26% | — | -1.93% | |
| 28 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 1.23% | -0.12% | -11.06% | |
| 29 | CCJ | Cameco CORP | Stock-Energy | 1.06% | +0.11% | -7.34% | |
| 30 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.03% | -0.11% | -2.01% | |
| 31 | AMRZ | Amrize Ltd | Stock-Materials | 1.02% | — | -6.45% | |
| 32 | ACN | Accenture plc | Stock-Tech | 0.88% | -0.46% | -12.02% | |
| 33 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 0.88% | — | +0.33% | |
| 34 | NFLX | Netflix INC | Stock-Comm Services | 0.78% | +0.22% | +32.64% | |
| 35 | BIPC | Brookfield Infrastructure-a | Stock-Utilities | 0.74% | -0.09% | +1.39% | |
| 36 | PEP | Pepsico INC | Stock-Consumer Staples | 0.71% | — | -8.52% | |
| 37 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.68% | — | -1.74% | |
| 38 | RTX | Rtx CORP | Stock-Industrials | 0.61% | — | -0.30% | |
| 39 | IBM | Intl Business Machines CORP | Stock-Tech | 0.61% | -0.13% | -0.53% | |
| 40 | STE | STERIS plc | Stock-Healthcare | 0.61% | +0.31% | +131.81% | |
| 41 | ABBV | Abbvie INC | Stock-Healthcare | 0.60% | — | +9.52% | |
| 42 | AMAT | Applied Materials INC | Stock-Tech | 0.59% | +0.15% | — | |
| 43 | CMI | Cummins INC | Stock-Industrials | 0.58% | — | -11.15% | |
| 44 | GE | General Electric | Stock-Industrials | 0.57% | — | — | |
| 45 | EMR | Emerson Electric Co | Stock-Industrials | 0.53% | — | -1.70% | |
| 46 | HON | Honeywell International INC | Stock-Industrials | 0.53% | — | -4.26% | |
| 47 | DUK | Duke Energy CORP | Stock-Utilities | 0.51% | — | -0.83% | |
| 48 | UNP | Union Pacific CORP | Stock-Industrials | 0.51% | — | -0.25% | |
| 49 | NVS | Novartis Ag-sponsored Adr | Stock-Healthcare | 0.50% | — | -19.13% | |
| 50 | LB | Landbridge Co Llc-a | Stock-Other | 0.49% | +0.15% | +2.48% |
Performance for Q3 2026
+2.3%
Performance Last 4 Quarters
+26.7%
Based on 70% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 185 | $425.9M | 18 | |
| 2025-12-31 | 185 | $431.8M | 11 | |
| 2025-09-30 | 185 | $428.1M | 26 | |
| 2025-06-30 | 185 | $414.5M | 0 | |
| 2025-03-31 | 186 | $403.0M | 100 | |
| 2024-12-31 | 186 | $415.6M | 0 | |
| 2024-09-30 | 192 | $431.9M | 0 | |
| 2024-06-30 | 185 | $427.2M | 0 | |
| 2024-03-31 | 196 | $426.9M | 0 | |
| 2023-12-31 | 186 | $395.5M | 0 | |
| 2023-09-30 | 184 | $366.3M | 0 | |
| 2023-06-30 | 190 | $379.9M | 0 | |
| 2023-03-31 | 187 | $365.8M | 0 | |
| 2022-12-31 | 179 | $349.4M | 0 | |
| 2022-09-30 | 171 | $314.2M | 0 | |
| 2022-06-30 | 176 | $347.5M | 0 | |
| 2022-03-31 | 189 | $402.7M | 0 | |
| 2021-12-31 | 200 | $428.5M | 0 | |
| 2021-09-30 | 195 | $390.7M | 0 | |
| 2021-06-30 | 193 | $391.2M | 100 | |
| 2021-03-31 | 182 | $355.5M | 15 | |
| 2020-12-31 | 176 | $333.2M | 13 | |
| 2020-09-30 | 170 | $312.1M | 13 | |
| 2020-06-30 | 163 | $290.3M | 22 | |
| 2020-03-31 | 159 | $254.4M | 31 | |
| 2019-12-31 | 180 | $340.1M | 10 | |
| 2019-09-30 | 173 | $313.8M | 12 | |
| 2019-06-30 | 175 | $313.2M | 11 | |
| 2019-03-31 | 176 | $305.9M | 22 | |
| 2018-12-31 | 447 | $272.8M | 26 | |
| 2018-09-30 | 167 | $295.8M | 35 | |
| 2018-06-30 | 82 | $217.6M | 41 | |
| 2018-03-31 | 151 | $237.0M | 11 | |
| 2017-12-31 | 150 | $236.2M | 14 | |
| 2017-09-30 | 142 | $222.7M | 17 | |
| 2017-06-30 | 134 | $213.4M | 17 | |
| 2017-03-31 | 131 | $229.5M | 9 | |
| 2016-12-31 | 130 | $221.0M | 16 | |
| 2016-09-30 | 132 | $204.5M | 10 | |
| 2016-06-30 | 134 | $202.1M | 19 | |
| 2016-03-31 | 398 | $210.0M | 41 | |
| 2015-12-31 | 174 | $221.8M | 20 | |
| 2015-09-30 | 172 | $210.0M | 31 | |
| 2015-06-30 | 248 | $222.0M | 9 | |
| 2015-03-31 | 252 | $228.2M | 18 | |
| 2014-12-31 | 254 | $234.7M | 20 | |
| 2014-09-30 | 251 | $235.0M | 15 | |
| 2014-06-30 | 498 | $258.2M | 23 | |
| 2014-03-31 | 287 | $232.4M | 21 | |
| 2013-12-31 | 444 | $239.5M | 13 | |
| 2013-09-30 | 442 | $222.3M | 25 | |
| 2013-06-30 | 457 | $231.8M | — |
Ipswich Investment Management Co., Inc.'s most significant position changes for 2026-03-31: New buy: Totalenergies Se (TTE); New buy: Ishares Core S&p U.s. Value (IUSV); New buy: Ishares Core S&p U.s. Growth (IUSG); New buy: Ishares Russell Mid-cap Valu (IWS); New buy: Ishares Russell Mid-cap Grow (IWP).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XOM | Exxon Mobil CORP | +0.9% | -4.48% | Trim |
| 2 | TPL | Texas Pacific Land CORP | +0.5% | -9.33% | Trim |
| 3 | CVX | Chevron CORP | +0.5% | -3.02% | Trim |
| 4 | CAT | Caterpillar INC | +0.5% | -3.38% | Trim |
| 5 | COST | Costco Wholesale CORP | +0.4% | -2.48% | Trim |
| 6 | JNJ | Johnson & Johnson | +0.3% | -1.54% | Trim |
| 7 | STE | STERIS plc | +0.3% | +131.81% | Add |
| 8 | ASML | ASML Holding N.V. | +0.3% | -4.97% | Trim |
| 9 | NFLX | Netflix INC | +0.2% | +32.64% | Add |
| 10 | LIN | Linde plc | +0.2% | -0.28% | Trim |
| 11 | EQNR | Equinor Asa-spon Adr | +0.2% | -10.95% | Trim |
| 12 | MRK | Merck & Co. INC. | +0.2% | -0.11% | Trim |
| 13 | OKE | Oneok INC | +0.2% | -7.23% | Trim |
| 14 | LB | Landbridge Co Llc-a | +0.2% | +2.48% | Add |
| 15 | AMAT | Applied Materials INC | +0.2% | — | Unchanged |
| 16 | TXN | Texas Instruments INC | +0.1% | -3.81% | Trim |
| 17 | GEV | GE Vernova INC | +0.1% | — | Unchanged |
| 18 | CCJ | Cameco CORP | +0.1% | -7.34% | Trim |
| 19 | OTIS | Otis Worldwide CORP | -0.1% | -14.90% | Trim |
| 20 | ADP | Automatic Data Processing | -0.1% | -1.61% | Trim |
| 21 | BIPC | Brookfield Infrastructure-a | -0.1% | +1.39% | Add |
| 22 | ORCL | Oracle CORP | -0.1% | -6.71% | Trim |
| 23 | GOOG | Alphabet Inc-cl C | -0.1% | -2.01% | Trim |
| 24 | PG | Procter & Gamble Co/the | -0.1% | -11.06% | Trim |
| 25 | IBM | Intl Business Machines CORP | -0.1% | -0.53% | Trim |
| 26 | FICO | Fair Isaac CORP | -0.1% | — | Unchanged |
| 27 | MRSH | Marsh & Mclennan Cos | -0.1% | -3.88% | Trim |
| 28 | ABT | Abbott Laboratories | -0.2% | -36.58% | Trim |
| 29 | CRM | Salesforce INC | -0.2% | -45.31% | Trim |
| 30 | LEU | Centrus Energy Corp-class A | -0.2% | -5.01% | Trim |
| 31 | PANW | Palo Alto Networks INC | -0.2% | -1.59% | Trim |
| 32 | NVDA | Nvidia CORP | -0.2% | -1.27% | Trim |
| 33 | IWV | Ishares Russell 3000 ETF | -0.2% | -3.87% | Trim |
| 34 | PGR | Progressive CORP | -0.2% | -1.94% | Trim |
| 35 | JPM | Jpmorgan Chase & Co | -0.3% | -0.50% | Trim |
| 36 | AMZN | Amazon.com INC | -0.3% | -2.07% | Trim |
| 37 | V | Visa Inc-class A Shares | -0.3% | -2.18% | Trim |
| 38 | AAPL | Apple INC | -0.4% | -1.26% | Trim |
| 39 | LLY | Eli Lilly & Co | -0.4% | -10.79% | Trim |
| 40 | ACN | Accenture plc | -0.5% | -12.02% | Trim |
| 41 | NVO | Novo-nordisk A/s-spons Adr | -0.5% | -41.08% | Trim |
| 42 | GOOGL | Alphabet Inc-cl A | -0.5% | -5.97% | Trim |
| 43 | MSFT | Microsoft CORP | -1.6% | -0.66% | Trim |
| 44 | TTE | Totalenergies Se | — | NEW | New buy |
| 45 | IUSV | Ishares Core S&p U.s. Value | — | NEW | New buy |
| 46 | IUSG | Ishares Core S&p U.s. Growth | — | NEW | New buy |
| 47 | IWS | Ishares Russell Mid-cap Valu | — | NEW | New buy |
| 48 | IWP | Ishares Russell Mid-cap Grow | — | NEW | New buy |
| 49 | EG | Everest Group, Ltd. | — | EXIT | Sold out |
| 50 | DPZ | Domino's Pizza INC | — | NEW | New buy |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-04-10 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-01-16 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-10-08 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-07-16 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-04-16 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-03 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-06 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-07-16 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-04-19 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-31 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-08 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-07-27 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-04-24 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-01 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-10-11 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-07-26 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-04-25 | Amendment | View on EDGAR |
| 2022-03-31 | 2022-04-12 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-01-24 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-10-07 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-05 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-04-09 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-05 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-10-06 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-09 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-04-09 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-01-08 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-10-08 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-11 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-04-12 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-01-15 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-10-09 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-07-18 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-04-12 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-01-16 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-10-11 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-07-21 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-04-12 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-01-10 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-10-18 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-02 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-11 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-01-13 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-10-26 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-20 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-04-08 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-01-20 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-10-08 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-07-15 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-04-15 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-01-16 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-10-25 | Amendment | View on EDGAR |
| 2013-09-30 | 2013-10-21 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-07-17 | 13F-HR | View on EDGAR |
Institutions with a similar AUM
CIK 0001630363
Total reported value
$425.8M
9 stks
2023-09-30
Stale — no recent filing
AUM within 0.0% of this institution
CIK 0001548594
Total reported value
$425.8M
5 stks
2026-03-31
AUM within 0.0% of this institution
CIK 0001026200
Total reported value
$425.8M
118 stks
2023-09-30
Stale — no recent filing
AUM within 0.0% of this institution
Institutions with overlapping top holdings
CIK 0000869304
Total reported value
$325.9M
86 stks
2026-03-31
4 of the top 5 holdings overlap, including Alphabet Inc-cl A
CIK 0000936944
Total reported value
$4.0B
794 stks
2026-03-31
4 of the top 5 holdings overlap, including Apple INC
CIK 0001034642
Total reported value
$2.9B
401 stks
2026-03-31
4 of the top 5 holdings overlap, including Apple INC