Ipswich Investment Management Co., Inc.
SEC Form 13F institutional filer · CIK 0001463753
13F-HR · 147 reported holdings · 2026-03-31
Reported long-US-equity value
$0.38B
Top-10 concentration
40.3%
Ipswich Investment Management Co., Inc. — $376M AUM allocation strategy
Ipswich Investment Management Co., Inc. files SEC Form 13F and reports $376M of long US equity value across 147 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 16.9%, followed by Financials 9.0% and Energy 7.5%.
The top 10 holdings account for 40% of reported value — a broadly spread portfolio. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.
Ipswich Investment Management Co., Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$376M
total across 147 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
40% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVV +22.3K sh · +$2.57M+$IWM +13.6K sh · +$904K+$NFLX +8.47K sh · +$876K
Biggest trims (shares)
−$OKE −4.63K sh · +$663K−$ABT −4.56K sh · −$750K−$PG −4.51K sh · −$605K
Exited to nil (held last quarter, gone now)
$EG ($764K last qtr)$CEG ($262K last qtr)$MRNA ($249K last qtr)$BAC ($234K last qtr)$CMG ($224K last qtr)
Sector allocation (share of reported value)
each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Industry allocation (share of reported value)
- Systems Software6.1%—
- Integrated Oil & Gas5.9%—
- Technology Hardware, Storage & Peripherals5.7%—
- Semiconductors5.2%—
- Interactive Media & Services4.2%—
- Consumer Staples Merchandise Retail3.8%—
- Diversified Banks3.5%—
- Construction Machinery & Heavy Transportation Equipment3.0%—
- Other holdings62.7%—
the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Top S&P 500 holdings
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $MSFT | Microsoft Corporation | 61.6K | $22.8M | -410 | 6.1% |
| $AAPL | Apple Inc | 84.1K | $21.3M | -1.08K | 5.7% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 55.6K | $16M | -3.53K | 4.2% |
| $XOM | ExxonMobil Holdings Corporation | 85.5K | $14.5M | -4.01K | 3.9% |
| $COST | Costco Wholesale Corporation | 14.1K | $14M | -358 | 3.7% |
| $JPM | JP Morgan Chase & Co | 44.9K | $13.2M | -227 | 3.5% |
| $NVDA | NVIDIA Corporation | 71.3K | $12.4M | -921 | 3.3% |
| $CAT | Caterpillar Inc | 15.8K | $11.2M | -552 | 3.0% |
| $AMZN | Amazon.com Inc | 48.3K | $10.1M | -1.02K | 2.7% |
…and 138 more holdings in the full 13F filing (top positions only shown).
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
← All 13F filers·← QuantOrb.pro
How to read Δ QoQ — the five insight categories, and the caveats
The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.
Conviction & concentration shifts
New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.
Sector & macro allocation rotations
Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.
Crowding & smart-money consensus
When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.
Derivative & option overlays
Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.
Who reads this
| Retail "cloners" | High-conviction ideas to replicate ~45 days after quarter-end. |
| Corporate IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-sectional factor inputs: flow, momentum, ownership. |
Four caveats before you trade on it
- 45-day lag — holdings are quarter-end; positions may already be closed.
- Long-only — 13Fs miss shorts, pair trades and cash.
- No non-US / fixed income — the picture is US equities plus options.
- Corporate actions — splits and spinoffs distort raw share deltas.
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