SummitTX Capital, L.P.

CIK 0002052310 · FORT WORTH, TX · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

SummitTX Capital, L.P. reported 762 positions worth $3.89B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: SPY (12.3%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$3.89B
2026 Q2
Positions
762
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
28.7%
Est. Net Flow (Q)
2026 Q2
10 / 762 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1SPYSTATE STR SPDR S&P 500 ETF TSH$478.4M12.31%640,689
2QQQINVESCO QQQ TRSH$279.3M7.19%379,268
3ADIANALOG DEVICES INCSH$69.0M1.78%173,745
4MKSIMKS INC.SH$58.7M1.51%132,009
5ASMLASML HLDG NVSH$53.4M1.37%26,839
6AMATAPPLIED MATLS INCSH$43.2M1.11%59,729
7XLISELECT SECTOR SPDR TRSH$35.8M0.92%193,167
8NXPINXP SEMICONDUCTORS N VSH$33.9M0.87%120,753
9AMZNAMAZON COM INCSH$31.9M0.82%133,823
10SPYSTATE STR SPDR S&P 500 ETF TPUT$29.9M0.77%40,000

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does SummitTX Capital, L.P. hold as of Q2 2026?

SummitTX Capital, L.P. reported 762 positions worth $3.89B in its Q2 2026 13F filing. Largest positions: SPY (12.3%), QQQ (7.2%), ADI (1.8%), MKSI (1.5%) and ASML (1.4%).

What did SummitTX Capital, L.P. buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did SummitTX Capital, L.P. sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.