Oppenheimer & Close, LLC
SEC Form 13F institutional filer · CIK 0001591377
13F-HR · 7 reported holdings · 2026-03-31
Reported long-US-equity value
$0.03B
Top-10 concentration
100.0%
Oppenheimer & Close, LLC — $27.5M AUM allocation strategy
Oppenheimer & Close, LLC files SEC Form 13F and reports $27.5M of long US equity value across 7 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 38.7%, followed by Energy 22.0% and Materials 20.1%.
The top 10 holdings account for 100% 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.
Oppenheimer & Close, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$27.5M
total across 7 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
100% of value
higher = narrower conviction; lower = spread / hedging
Biggest trims (shares)
−$NEM −6.41K sh · −$210K−$GLW −6.29K sh · +$1.47M−$VLO −2.5K sh · −$331K
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)
- Integrated Oil & Gas21.2%—
- Electronic Components20.6%—
- Gold20.1%—
- Multi-Sector Holdings19.2%—
- Communications Equipment18.1%—
- Oil & Gas Refining & Marketing0.8%—
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
7 of 7 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $GLW | Corning Incorporated | 41.7K | $5.67M | -6.29K | 20.6% |
| $NEM | Newmont Corporation | 51.2K | $5.54M | -6.41K | 20.1% |
| $CVX | Chevron Corporation | 26.8K | $5.54M | +951 | 20.1% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 11K | $5.27M | — | 19.2% |
| $CSCO | Cisco Systems Inc | 64K | $4.97M | -569 | 18.1% |
| $XOM | ExxonMobil Holdings Corporation | 1.73K | $294K | -30 | 1.1% |
| $VLO | Valero Energy Corporation | 900 | $222K | -2.5K | 0.8% |
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
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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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