SummitTX Capital, L.P.
SEC Form 13F institutional filer · CIK 0002052310
13F-HR · 228 reported holdings · 2026-03-31
SEC-registered institutional investment manager.
Reported long-US-equity value
$1.75B
Top-10 concentration
49.6%
SummitTX Capital, L.P. — $1.75B AUM allocation strategy
SummitTX Capital, L.P. files SEC Form 13F and reports $1.75B of long US equity value across 228 reported holdings for 2026-03-31.
Its largest sector bet is Utilities 6.1%, followed by Financials 4.6% and Information Technology 4.3%.
The top 10 holdings account for 50% of reported value — a broadly spread portfolio. 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.
SummitTX Capital, L.P. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.75B
total across 228 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
50% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$WBD +537K sh · +$14.4M+$AES +495K sh · +$6.03M+$SPY +311K sh · +$189M
Biggest trims (shares)
−$IVV −422K sh · −$294M−$DOC −330K sh · −$5.02M−$WMT −212K sh · −$23M
Exited to nil (held last quarter, gone now)
$LLY ($37.5M last qtr)$PYPL ($28.5M last qtr)$MSFT ($23.2M last qtr)$URI ($18.7M last qtr)$CMI ($14.2M 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)
- Electric Utilities4.2%—
- Asset Management & Custody Banks2.6%—
- Financial Exchanges & Data2.0%—
- Multi-Utilities1.9%—
- Homebuilding1.5%—
- Communications Equipment1.5%—
- Aerospace & Defense1.5%—
- Semiconductors1.4%—
- Other holdings83.3%—
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
8 of 8 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $IVZ | Invesco Ltd | 234K | $45M | -65.1K | 2.6% |
| $SPGI | S&P Global Inc | 59.7K | $35.6M | +21.8K | 2.0% |
| $NVR | NVR Inc | 4.1K | $27M | — | 1.5% |
| $CSCO | Cisco Systems Inc | 348K | $27M | +123K | 1.5% |
| $GE | GE Aerospace | 90.1K | $25.6M | — | 1.5% |
| $NVDA | NVIDIA Corporation | 144K | $25.1M | +10.1K | 1.4% |
| $AMZN | Amazon.com Inc | 115K | $24M | -6.27K | 1.4% |
| $AMAT | Applied Materials Inc | 308K | $23.2M | +121K | 1.3% |
…and 220 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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