Tamar Securities, LLC
SEC Form 13F institutional filer · CIK 0001703081
13F-HR · 57 reported holdings · 2026-03-31
Reported long-US-equity value
$0.75B
Top-10 concentration
51.5%
Tamar Securities, LLC — $754M AUM allocation strategy
Tamar Securities, LLC files SEC Form 13F and reports $754M of long US equity value across 57 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 25.9%, followed by Communication Services 12.6% and Consumer Discretionary 9.4%.
The top 10 holdings account for 51% 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.
Tamar Securities, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$754M
total across 57 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
51% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$NEM +166K sh · +$18M+$AMZN +30.7K sh · +$1.69M+$QCOM +24.6K sh · −$2.9M
Biggest trims (shares)
−$ELV −86.7K sh · −$30.4M−$GOOGL −48.3K sh · −$20.1M−$RTX −30.8K sh · −$4.37M
Exited to nil (held last quarter, gone now)
$PYPL ($11.8M last qtr)$ORCL ($269K last qtr)$COIN ($64.9K 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)
- Interactive Media & Services12.6%—
- Biotechnology7.5%—
- IT Consulting & Other Services6.8%—
- Broadline Retail6.6%—
- Aerospace & Defense6.0%—
- Semiconductors5.6%—
- Systems Software5.3%—
- Technology Hardware, Storage & Peripherals4.6%—
- Other holdings45.0%—
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 |
|---|---|---|---|---|---|
| $GOOGL | Alphabet Inc | 184K | $52.9M | -48.3K | 7.0% |
| $IBM | International Business Machines Corporation | 757K | $50.9M | +18.6K | 6.8% |
| $AMZN | Amazon.com Inc | 240K | $49.9M | +30.7K | 6.6% |
| $META | Meta Platforms Inc | 73K | $41.8M | +9.59K | 5.5% |
| $MSFT | Microsoft Corporation | 109K | $40.4M | +17.9K | 5.4% |
| $AAPL | Apple Inc | 137K | $34.8M | +925 | 4.6% |
| $XOM | ExxonMobil Holdings Corporation | 182K | $31M | +12.7K | 4.1% |
| $FCX | Freeport-McMoRan Inc | 507K | $29.8M | +10.6K | 4.0% |
| $AMGN | Amgen Inc | 83.5K | $29.4M | +2.16K | 3.9% |
| $REGN | Regeneron Pharmaceuticals Inc | 35.2K | $27.2M | -5.26K | 3.6% |
…and 47 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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