Old West Investment Management, LLC
SEC Form 13F institutional filer · CIK 0001549358
13F-HR · 45 reported holdings · 2026-03-31
Reported long-US-equity value
$0.31B
Top-10 concentration
61.7%
Old West Investment Management, LLC — $305M AUM allocation strategy
Old West Investment Management, LLC files SEC Form 13F and reports $305M of long US equity value across 45 reported holdings for 2026-03-31.
Its largest sector bet is Industrials 30.1%, followed by Materials 29.8% and Information Technology 9.1%.
The top 10 holdings account for 62% 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.
Old West Investment Management, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$305M
total across 45 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
62% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$SLB +439K sh · +$23.3M+$BA +45.3K sh · +$8.99M+$FCX +29.3K sh · +$2.7M
Biggest trims (shares)
−$BLDR −80.8K sh · −$9.18M−$AMAT −52.8K sh · +$2.85M−$BG −51.8K sh · +$480K
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)
- Aerospace & Defense19.0%—
- Specialty Chemicals8.5%—
- Oil & Gas Equipment & Services8.3%—
- Industrial Gases7.8%—
- Fertilizers & Agricultural Chemicals7.2%—
- Rail Transportation5.7%—
- Agricultural Products & Services5.5%—
- Semiconductor Materials & Equipment5.1%—
- Other holdings33.0%—
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 |
|---|---|---|---|---|---|
| $LMT | Lockheed Martin Corporation | 49.3K | $29.8M | -4.41K | 9.7% |
| $SLB | SLB Limited | 492K | $25.3M | +439K | 8.3% |
| $APD | Air Products and Chemicals Inc | 81.9K | $23.8M | — | 7.8% |
| $CF | CF Industries Holdings Inc | 169K | $21.9M | — | 7.2% |
| $NOC | Northrop Grumman Corporation | 27.5K | $18.8M | +25.8K | 6.2% |
| $BG | Bunge Limited | 134K | $17M | -51.8K | 5.6% |
| $ALB | Albemarle Corporation | 88.2K | $15.8M | -49K | 5.2% |
| $AMAT | Applied Materials Inc | 1.55M | $15.5M | -52.8K | 5.1% |
| $DOW | Dow Inc | 247K | $10.3M | — | 3.4% |
| $LYB | LyondellBasell Industries NV Ordinary Shares Class A | 127K | $10.3M | — | 3.4% |
…and 35 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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