BLACKHILL CAPITAL INC
SEC Form 13F institutional filer · CIK 0000872162
13F-HR · 38 reported holdings · 2026-03-31
Investment advisor.
Reported long-US-equity value
$1.91B
Top-10 concentration
94.7%
BLACKHILL CAPITAL INC — $1.91B AUM allocation strategy
BLACKHILL CAPITAL INC files SEC Form 13F and reports $1.91B of long US equity value across 38 reported holdings for 2026-03-31.
Its largest sector bet is Consumer Discretionary 73.7%, followed by Health Care 14.8% and Information Technology 5.9%.
The top 10 holdings account for 95% of reported value — a conviction-weighted book concentrated in its best ideas. 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.
BLACKHILL CAPITAL INC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.91B
total across 38 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
95% of value
higher = narrower conviction; lower = spread / hedging
Biggest trims (shares)
−$BMY −5.2K sh · +$1.57M−$WSM −4.51K sh · +$27.9M−$AAPL −1.3K sh · −$4.84M
Added from nil (new positions)
None this quarter
Exited to nil (held last quarter, gone now)
None this quarter
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)
- Homefurnishing Retail73.3%—
- Pharmaceuticals10.3%—
- Technology Hardware, Storage & Peripherals3.3%—
- Biotechnology3.0%—
- Construction Machinery & Heavy Transportation Equipment2.2%—
- Health Care Equipment1.5%—
- Systems Software1.3%—
- Semiconductors1.3%—
- Other holdings3.9%—
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
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $WSM | Williams-Sonoma Inc | 7.68M | $1.4B | -4.51K | 73.3% |
| $LLY | Eli Lilly and Company | 146K | $134M | -243 | 7.0% |
| $AAPL | Apple Inc | 248K | $63M | -1.3K | 3.3% |
| $ABBV | AbbVie Inc | 263K | $57.2M | +16K | 3.0% |
| $CAT | Caterpillar Inc | 59.5K | $42.2M | -500 | 2.2% |
| $ABT | Abbott Laboratories | 269K | $27.6M | +0 | 1.4% |
| $MSFT | Microsoft Corporation | 66K | $24.4M | +0 | 1.3% |
| $NVDA | NVIDIA Corporation | 140K | $24.4M | +0 | 1.3% |
| $MRK | Merck & Company Inc | 169K | $20.3M | +0 | 1.1% |
| $BMY | Bristol-Myers Squibb Company | 275K | $16.7M | -5.2K | 0.9% |
…and 28 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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