Granite Harbor Advisors, Inc.
SEC Form 13F institutional filer · CIK 0001967456
13F-HR · 88 reported holdings · 2026-03-31
Reported long-US-equity value
$0.17B
Top-10 concentration
59.0%
Granite Harbor Advisors, Inc. — $171M AUM allocation strategy
Granite Harbor Advisors, Inc. files SEC Form 13F and reports $171M of long US equity value across 88 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 15.2%, followed by Communication Services 7.0% and Consumer Discretionary 3.2%.
The top 10 holdings account for 59% 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.
Granite Harbor Advisors, Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$171M
total across 88 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
59% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$PFE +2.09K sh · +$114K+$CMCSA +979 sh · +$20K+$NKE +730 sh · −$8.59K
Biggest trims (shares)
−$IVV −6.53K sh · −$1.99M−$XLF −3.62K sh · −$870K−$XOM −2.72K sh · −$1.83K
Exited to nil (held last quarter, gone now)
$DHI ($1.4M last qtr)$STE ($560K last qtr)$QQQM ($252K last qtr)$TTD ($202K 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 & Services7.0%—
- Semiconductors5.5%—
- Technology Hardware, Storage & Peripherals5.5%—
- Broadline Retail3.2%—
- Systems Software3.0%—
- Pharmaceuticals2.7%—
- Diversified Banks1.5%—
- Multi-Sector Holdings1.4%—
- Other holdings70.1%—
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
4 of 4 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 53.9K | $9.39M | -1.43K | 5.5% |
| $AAPL | Apple Inc | 36.9K | $9.37M | -344 | 5.5% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 28.6K | $8.21M | -960 | 4.8% |
| $AMZN | Amazon.com Inc | 26.4K | $5.49M | -590 | 3.2% |
…and 84 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
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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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