Cornerstone Management, Inc.
SEC Form 13F institutional filer · CIK 0001587867
13F-HR · 27 reported holdings · 2026-03-31
Reported long-US-equity value
$0.11B
Top-10 concentration
93.8%
Cornerstone Management, Inc. — $106M AUM allocation strategy
Cornerstone Management, Inc. files SEC Form 13F and reports $106M of long US equity value across 27 reported holdings for 2026-03-31.
Its largest sector bet is Financials 11.8%, followed by Industrials 7.7% and Information Technology 1.5%.
The top 10 holdings account for 94% 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.
Cornerstone Management, Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$106M
total across 27 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
94% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVV +30.7K sh · +$3.14M+$IYY +232 sh · +$390K+$SPGI +166 sh · −$20K
Biggest trims (shares)
−$GL −3.52K sh · −$495K−$WMT −2.23K sh · −$226K−$NVDA −328 sh · −$107K
Added from nil (new positions)
None this quarter
Exited to nil (held last quarter, gone now)
$PLTR ($295K last qtr)$TMO ($249K last qtr)$META ($225K last qtr)$MRK ($210K 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)
- Aerospace & Defense7.5%—
- Multi-Sector Holdings7.1%—
- Life & Health Insurance1.6%—
- Asset Management & Custody Banks1.5%—
- Soft Drinks & Non-alcoholic Beverages0.9%—
- Semiconductor Materials & Equipment0.8%—
- Transaction & Payment Processing Services0.7%—
- Electric Utilities0.6%—
- Other holdings79.5%—
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 |
|---|---|---|---|---|---|
| $HONA | Honeywell Aerospace Inc | 11 | $7.9M | +0 | 7.4% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 15.6K | $7.49M | +0 | 7.0% |
| $IVZ | Invesco Ltd | 10.8K | $1.57M | +2 | 1.5% |
| $AFL | AFLAC Incorporated | 8.62K | $946K | +0 | 0.9% |
| $KO | Coca-Cola Company | 12.2K | $926K | +0 | 0.9% |
| $LRCX | Lam Research Corporation | 4.03K | $861K | +0 | 0.8% |
| $GL | Globe Life Inc | 5.22K | $726K | -3.52K | 0.7% |
…and 20 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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