Hedge Fund

SummitTX Capital, L.P. — 13F Portfolio

Institutional investment manager filing Form 13F with the SEC under CIK #0002052310; specific investment-adviser registration status should be confirmed from the firm’s most recent Form ADV, if any Mixed CIK: 0002052310
13F Score ?
3Y · Top 10 · Mgr Wt
13F Score ?
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$3.20B
AUM
+10.38%
2026 Q1
+31.81%
1-Year Return
+28.24%
Top 10 Concentration
+45.81%
Turnover
-3.51%
AUM Change
Since 2025
First Filing
744
# of Holdings

Fund Overview

13F Filed: 2026-05-15

As of 2026 Q1, Summittx Capital, L.p. manages $3.20B in reported 13F assets , holds 744 positions with +28.24% top-10 concentration , and delivered a 1-year return of +31.81% on its disclosed equity portfolio. Filing 13F reports since 2025. View full holdings list →

About

Investment Strategy

Analytics Summary

Risk Profile

Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2026 Q1

Q1 2026 13F Filed: May 15, 2026

Top Buys

% $
Stock % Impact
+5.91%
+1.98%
+0.88%
NVR NVR INC..
+0.84%
+0.80%
+0.69%

Top Sells

% $
Stock % Impact
Sold All 😨 Was: 8.88% -9.20%
Sold All 😨 Was: 1.13% -1.17%
Sold All 😨 Was: 0.86% -0.89%
-0.84%
-0.84%
Sold All 😨 Was: 0.70% -0.72%

Top Holdings

2026 Q1 Top 6 mgr. wt. · 2025 Q4+10.38%
Stock %
14.70%
5.20%
1.40%
1.16%
1.15%
1.03%
View All Holdings

Activity Summary

Latest
Market Value $3.20B
AUM Change -3.51%
New Positions 344
Increased Positions 228
Closed Positions 275
Top 10 Concentration +28.24%
Portfolio Turnover +45.81%
Alt Turnover +48.30%

Sector Allocation Trends

Quarterly History
Free View: Last 10 Quarters. Subscribe to see full history

Holdings Analysis

Size: % of Portfolio Color: Last Full-Quarter Return No data
Free: 10 quarters

Positions Dynamics

Visualizing Top 20 holdings weight history over the last 10 quarters.

Portfolio Analytics — Latest

SummitTX Capital, L.P. risk dashboard covering volatility, beta, value-at-risk, drawdowns, concentration, factor tilts, benchmark comparison, and stress testing for the latest disclosed portfolio.

Risk access
Building institutional risk profile...
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Real-time Analytics
High-Conviction Alpha
AAPL 92.4
NVDA 88.1
MSFT 74.3
Strategy Guardian
Style Drift 0.12
Sector Rotation 0.38

Tracking institutional benchmark deviation

Scenario Lab
2008 GFC -32.4%
Covid-19 -18.1%
2022 Bear -24.7%
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Real conviction scores for every holding  ·  Strategy Guardian alerts  ·  Live Scenario Lab stress tests
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Best Strategy vs. Benchmarks

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Returns
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Latest Quarter
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1-Year Return
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Ann. Return
Risk
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Std Deviation
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Max Drawdown
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Beta vs SPY
Quality
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Sharpe
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Sortino
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Win Rate
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Payoff Ratio
Edge Metrics Last 10 quarters only
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Alpha annualized
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Up Capture
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Down Capture

Strategy Backtester: SummitTX Capital, L.P.

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Risk insights! Identify periods when the fund lagged the benchmark – critical for timing entries.

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting SummitTX Capital, L.P.'s top 10 holdings against SPY identified 4 underperformance periods. Worst drawdown: 2025-05 – 2025-06 (-6.5% vs SPY, 2 quarters).

Avg. lag: -2.6% vs SPY Avg. duration: 1.2 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of SummitTX Capital, L.P.'s top holdings contributed to portfolio returns quarter by quarter. Strongest recent contributors inside the last 5 years of the quarterly Top 10 backtest window: IVV (2025 Q1 – 2025 Q4, +12.0 pts), QQQ (2025 Q1 – 2025 Q4, +5.2 pts), MKSI (2025 Q3 – 2025 Q4, +4.7 pts), AMZN (2025 Q1 – 2025 Q4, +1.8 pts), TOL (2025 Q2 – 2025 Q3, +1.1 pts) .

Strategy ann.: 33.4% SPY ann.: 34.3% Period: 2025–2026
Best Recent Contributors — Last 5Y
All 5 recent top contributors beat SPY, which means this fund's strongest recent return drivers also outperformed the index over the same window.
2025 Q1 – 2025 Q4 • 4Q in Top 10 Beat SPY
IVV
+27%
SPY
+12%
Contrib
+12.0%
2025 Q1 – 2025 Q4 • 4Q in Top 10 Beat SPY
QQQ
+37%
SPY
+12%
Contrib
+5.2%
2025 Q3 – 2025 Q4 • 2Q in Top 10 Beat SPY
MKSI
+119%
SPY
+-2%
Contrib
+4.7%
2025 Q1 – 2025 Q4 • 3Q in Top 10 Beat SPY
AMZN
+50%
SPY
+10%
Contrib
+1.8%
2025 Q2 – 2025 Q3 • 2Q in Top 10 Beat SPY
TOL
+27%
SPY
+6%
Contrib
+1.1%
Stock return (green = beat SPY)   Stock return (red = lagged SPY)   SPY same period   Cumulative contribution during the last 5 years of the quarterly Mn-weighted Top 10 strategy

Frequently Asked Questions

What does Summittx Capital, L.p. invest in?
Public narrative about SummitTX Capital, L.P.’s precise investment strategy is limited. The fund name and partnership structure suggest an actively managed, research‑driven mandate—most likely in public equities or equity‑linked instruments—but without explicit marketing materials or a published mandate, this cannot be stated as fact. Consequently, the most objective lens on the strategy is the pattern of disclosed holdings in Form 13F once several quarters of data are available. Key observable elements include: - The number of line items and distribution of weights across them, which indicates whether the fund runs a concentrated, high‑conviction book or a more diversified portfolio. - Sector and industry allocations, which reveal any recurring thematic or sector biases and are summarized through the evolving **13F Portfolio Composition**. - Market‑capitalization focus (large‑cap versus mid‑/small‑cap) and the extent of exposure to ADRs, ETFs, or closed‑end funds, which can hint at whether the mandate is more benchmark‑oriented or opportunistic. - Turnover and holding periods, observable through changes in positions and sizes between consecutive 13F reports, which reveal whether the approach is relatively patient or trading‑oriented. Depending on how these characteristics evolve, SummitTX Capital, L.P. could present as a concentrated, catalyst‑driven hedge fund; a more diversified fundamental long‑only allocator; or a hybrid approach. For example, persistent large positions in a small number of mid‑cap or special‑situation names, coupled with active trading around them, would be consistent with an opportunistic or event‑driven style, whereas broad, low‑turnover exposure across sectors and capitalizations would more closely resemble a core equity mandate. At this stage, allocators should treat any style label (growth, value, GARP, or quantitative) as provisional until there is a sufficiently long observable record of holdings. As the 13F dataset under CIK #0002052310 lengthens, a reconstructed **Historical Track Record** of the long‑equity sleeve can be used to study how the strategy has behaved across different market environments, complementing qualitative information obtained directly from the manager.
What is Summittx Capital, L.p.'s AUM?
Summittx Capital, L.p. reported $3.20B in 13F assets as of 2026 Q1. Note: 13F AUM reflects only long equity positions reported to the SEC and may differ from total assets under management.
How concentrated is Summittx Capital, L.p.'s portfolio?
Summittx Capital, L.p. holds 744 disclosed positions. The top 10 holdings represent +28.24% of the reported portfolio, indicating a diversified investment approach.
How to track Summittx Capital, L.p. 13F filings?
Track Summittx Capital, L.p.'s quarterly filings on SEC EDGAR or on this page — data is updated within days of each filing deadline. Subscribe to 13Foresight for position-change alerts.

Disclaimer: 13Foresight is not a registered investment adviser, broker-dealer, or financial planner. All information on this site is provided solely for informational and educational purposes and does not constitute investment advice, a solicitation, or a recommendation to buy or sell any security. Portfolio backtests shown on this page are hypothetical and simulated — they do not represent actual trading results and were constructed with the benefit of hindsight. Actual results would differ materially. 13F filings disclose only long equity positions valued above $10,000, submitted up to 45 days after quarter-end; they do not capture short positions, options, bonds, cash, private investments, or non-U.S. securities. A fund's backtest performance may not reflect its actual returns, as managers frequently generate alpha through strategies not visible in 13F data. Past performance is not indicative of future results. All data sourced from public SEC EDGAR filings. Use at your own risk. Full Terms of Use.

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