Penobscot Investment Management Company, Inc.
SEC Form 13F institutional filer · CIK 0001394866
13F-HR · 218 reported holdings · 2026-03-31
Penobscot Investment Management Company, Inc. is an investment management firm.
Reported long-US-equity value
$1.13B
Top-10 concentration
37.3%
Penobscot Investment Management Company, Inc. — $1.13B AUM allocation strategy
Penobscot Investment Management Company, Inc. files SEC Form 13F and reports $1.13B of long US equity value across 218 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 23.7%, followed by Financials 7.2% and Communication Services 5.3%.
The top 10 holdings account for 37% 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.
Penobscot Investment Management Company, Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.13B
total across 218 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
37% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$C +11.4K sh · +$1.06M+$IVZ +8.97K sh · +$1.72M+$NFLX +7.91K sh · +$773K
Biggest trims (shares)
−$BSX −36.8K sh · −$4.07M−$IVV −19.2K sh · −$1.22M−$BRO −10.7K sh · −$1000K
Exited to nil (held last quarter, gone now)
$MRSH ($307K last qtr)$IRM ($289K last qtr)$GL ($250K last qtr)$AON ($236K last qtr)$XLF ($215K 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)
- Semiconductors10.9%—
- Technology Hardware, Storage & Peripherals6.5%—
- Interactive Media & Services5.3%—
- Systems Software4.4%—
- Transaction & Payment Processing Services3.6%—
- Diversified Banks3.6%—
- Broadline Retail2.1%—
- Consumer Staples Merchandise Retail2.1%—
- Other holdings61.6%—
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 |
|---|---|---|---|---|---|
| $AAPL | Apple Inc | 288K | $73.2M | -6.07K | 6.5% |
| $NVDA | NVIDIA Corporation | 414K | $72.2M | -2.37K | 6.4% |
| $AVGO | Broadcom Inc | 162K | $50.3M | -3.2K | 4.5% |
| $MSFT | Microsoft Corporation | 134K | $49.4M | -1.39K | 4.4% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 145K | $41.7M | -5.93K | 3.7% |
| $JPM | JP Morgan Chase & Co | 137K | $40.3M | -2.54K | 3.6% |
| $AMZN | Amazon.com Inc | 114K | $23.7M | +1.29K | 2.1% |
| $COST | Costco Wholesale Corporation | 23.7K | $23.6M | +987 | 2.1% |
| $V | Visa Inc | 73.7K | $22.3M | -153 | 2.0% |
…and 209 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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