OpenArc Corporate Advisory, LLC
SEC Form 13F institutional filer · CIK 0002111345
13F-HR · 319 reported holdings · 2026-03-31
SEC-registered institutional investment manager.
Reported long-US-equity value
$4.31B
Top-10 concentration
54.3%
OpenArc Corporate Advisory, LLC — $4.31B AUM allocation strategy
OpenArc Corporate Advisory, LLC files SEC Form 13F and reports $4.31B of long US equity value across 319 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 19.7%, followed by Consumer Discretionary 6.7% and Financials 5.2%.
The top 10 holdings account for 54% 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.
OpenArc Corporate Advisory, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$4.31B
total across 319 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
54% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IYY +833K sh · +$26.4M+$IVV +610K sh · −$61M+$NVDA +500K sh · +$65.8M
Biggest trims (shares)
−$ROP −514K sh · −$257M−$SPGI −183K sh · −$3.93M−$IVZ −63K sh · −$3.45M
Exited to nil (held last quarter, gone now)
$BEN ($835K last qtr)$FIS ($454K last qtr)$WDAY ($345K last qtr)$VICI ($284K last qtr)$FICO ($265K 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)
- Semiconductors10.6%—
- Asset Management & Custody Banks5.2%—
- Home Improvement Retail4.5%—
- Technology Hardware, Storage & Peripherals2.9%—
- Interactive Media & Services2.9%—
- Electronic Equipment & Instruments2.5%—
- Air Freight & Logistics2.4%—
- Broadline Retail2.2%—
- Other holdings66.8%—
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
6 of 6 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 2.27M | $396M | +500K | 9.2% |
| $HD | Home Depot Inc | 584K | $192M | +314K | 4.5% |
| $BLK | BlackRock Inc | 2.85M | $160M | +435K | 3.7% |
| $AAPL | Apple Inc | 489K | $124M | +137K | 2.9% |
| $ROP | Roper Technologies Inc | 312K | $110M | -514K | 2.6% |
| $UPS | United Parcel Service Inc | 1.06M | $104M | +233K | 2.4% |
…and 313 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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