PEAK6 LLC

CIK 0001389958 · AUSTIN, TX · Quarter end: 2026-06-30 · Filed on: 2026-08-13 · Open the SEC source

PEAK6 LLC reported 2,662 positions worth $48.62B as of June 30, 2026 (13F filed August 13, 2026). Largest holding: QQQ (4.3%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$48.62B
2026 Q2
Positions
2,662
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
23.9%
Est. Net Flow (Q)
2026 Q2
10 / 2662 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1QQQINVESCO QQQ TRCALL$2.07B4.27%2,816,100
2QQQINVESCO QQQ TRPUT$1.81B3.71%2,452,200
3TSLATESLA INCCALL$1.72B3.53%4,081,600
4MUMICRON TECHNOLOGY INCPUT$1.22B2.52%1,061,200
5MUMICRON TECHNOLOGY INCCALL$982.9M2.02%851,500
6TLTISHARES TRPUT$892.5M1.84%10,327,900
7CRWVCOREWEAVE INCSH$802.0M1.65%8,057,406
8SMHVANECK ETF TRUSTPUT$781.5M1.61%1,191,500
9TSLATESLA INCPUT$717.2M1.48%1,705,100
10TSMTAIWAN SEMICONDUCTOR MANUFACPUT$598.9M1.23%1,254,100

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

Frequently Asked Questions

What stocks does PEAK6 LLC hold as of Q2 2026?

PEAK6 LLC reported 2662 positions worth $48.62B in its Q2 2026 13F filing. Largest positions: QQQ (4.3%), QQQ (3.7%), TSLA (3.5%), MU (2.5%) and MU (2.0%).

What did PEAK6 LLC buy in Q2 2026?

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

What did PEAK6 LLC 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.