Top Institutional Investors

PEAK6 LLC — 13F Holdings & Portfolio

CIK 1389958 · latest 13F-HR filed 2026-08-13

Backtest portfolio

PEAK6 LLC manages $48.62B in 13F-reported U.S. long-equity assets across 2,732 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are QQQ (4.27%), QQQ (3.71%), TSLA (3.53%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 343 new positions and exited 301; 211 existing positions rose in reported value and 257 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$48.62B

Long-equity book

Holdings
2,732

Distinct positions

Period
2026-06-30

Filed 2026-08-13

Q/Q Activity
+343 / −301 / ↑211 / ↓257

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
CRWV19.5% · +18%BULL4.7% · -2%TSM3.5% · -24%MSFT3.1% · +11362100%META2.6% · +118%AAPL2.5% · +11954700%TLT2.0% · +95%MU2.0% · -61%INTC2.0% · -20%SLV1.6% · +12%ETOR1.6% · -51%GLD1.6% · -43%LRCX1.2% · +118%PLTR1.1% · +64%PANW1.0% · +32%SPCX0.9% · newCRM0.9% · +810%MSTR0.8% · newNVDA0.8% · -45%TXN0.8% · newAMD0.7% · -30%ORCL0.7% · -11%BSX0.7% · +2461%AMZN0.7% · newITW0.6% · +364%IBIT0.6% · +163%BABA0.6% · -2%CIEN0.5% · +1735%ADBE0.5% · +47%STX0.5% · -56%F0.5% · +179%CME0.5% · newREI0.4% · +1385%CRWD0.4% · -70%NEM0.4% · +16%MUSA0.4% · +0%JPM0.4% · +116%NFLX0.4% · +492%MDB0.4% · -38%CEG0.4% · +121%SHOP0.4% · +414%SJM0.4% · newBIDU0.4% · +52%HLT0.3% · +3%ENTG0.3% · newCCXI0.3% · newDRAM0.3% · newHD0.3% · +182%MBVI0.3% · 0%WEN0.3% · +307%PFGC0.3% · newMATW0.3% · -38%TGT0.3% · +37%COHR0.3% · +31%SMCI0.3% · -10%AVGO0.3% · +577%VAL0.3% · -16%TER0.3% · newFIX0.3% · +20%OWL0.3% · -31%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 43.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 211 →

Top Trims

Show all 257 →

New Positions

Show all 343 →

Exited Positions

Show all 301 →

PEAK6 LLC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 INVESCO QQQ TR Call QQQ 46090E103 $2.07B 4.27% 2,816,100 SH
2 INVESCO QQQ TR Put QQQ 46090E103 $1.81B 3.71% 2,452,200 SH
3 TESLA INC Call TSLA 88160R101 $1.72B 3.53% 4,081,600 SH
4 MICRON TECHNOLOGY INC Put MU 595112103 $1.22B 2.52% 1,061,200 SH
5 MICRON TECHNOLOGY INC Call MU 595112103 $982.9M 2.02% 851,500 SH
6 ISHARES TR Put TLT 464287432 $892.5M 1.84% 10,327,900 SH
7 COREWEAVE INC CRWV 21873S108 $801.0M 1.65% 8,047,406 SH
8 VANECK ETF TRUST Put SMH 92189F676 $781.5M 1.61% 1,191,500 SH
9 TESLA INC Put TSLA 88160R101 $717.2M 1.48% 1,705,100 SH
10 TAIWAN SEMICONDUCTOR MANUFAC Put TSM 874039100 $598.9M 1.23% 1,254,100 SH
11 META PLATFORMS INC Put META 30303M102 $566.2M 1.16% 1,005,200 SH
12 VERTIV HOLDINGS CO Call VRT 92537N108 $520.8M 1.07% 1,555,500 SH
13 GE VERNOVA INC Call GEV 36828A101 $516.6M 1.06% 439,700 SH
14 SPDR SERIES TRUST Call XBI 78464A870 $502.1M 1.03% 3,172,600 SH
15 ARM HOLDINGS PLC Put ARM 042068205 $469.7M 0.97% 1,324,700 SH
16 ISHARES TR Call TLT 464287432 $465.6M 0.96% 5,388,200 SH
17 ADVANCED MICRO DEVICES INC Call AMD 007903107 $452.1M 0.93% 778,200 SH
18 NVIDIA CORPORATION Call NVDA 67066G104 $447.0M 0.92% 2,233,900 SH
19 SANDISK CORP Put SNDK 80004C200 $441.1M 0.91% 194,000 SH
20 MICROSOFT CORP Put MSFT 594918104 $427.9M 0.88% 1,147,200 SH
21 META PLATFORMS INC Call META 30303M102 $422.9M 0.87% 750,700 SH
22 APPLE INC Call AAPL 037833100 $395.7M 0.81% 1,367,500 SH
23 SELECT SECTOR SPDR TR Call XLE 81369Y506 $391.9M 0.81% 7,379,000 SH
24 AMAZON COM INC Call AMZN 023135106 $365.3M 0.75% 1,532,800 SH
25 ALPHABET INC Call GOOGL 02079K305 $356.0M 0.73% 996,100 SH
26 COREWEAVE INC Call CRWV 21873S108 $336.1M 0.69% 3,376,700 SH
27 ADVANCED MICRO DEVICES INC Put AMD 007903107 $330.6M 0.68% 569,100 SH
28 NVIDIA CORPORATION Put NVDA 67066G104 $326.0M 0.67% 1,629,100 SH
29 SPDR GOLD TR Call GLD 78463V107 $309.9M 0.64% 841,200 SH
30 AMAZON COM INC Put AMZN 023135106 $300.5M 0.62% 1,260,700 SH
31 MARVELL TECHNOLOGY INC Put MRVL 573874104 $298.3M 0.61% 1,001,500 SH
32 MICROSOFT CORP Call MSFT 594918104 $290.6M 0.60% 779,100 SH
33 APPLE INC Put AAPL 037833100 $286.3M 0.59% 989,400 SH
34 ARM HOLDINGS PLC Call ARM 042068205 $282.6M 0.58% 797,000 SH
35 APPLIED DIGITAL CORP Call APLD 038169207 $279.6M 0.58% 7,494,800 SH
36 VANECK ETF TRUST Call SMH 92189F676 $273.3M 0.56% 416,700 SH
37 ASML HLDG NV Call ASML N07059210 $256.6M 0.53% 129,000 SH
38 COREWEAVE INC Put CRWV 21873S108 $243.5M 0.50% 2,446,600 SH
39 NEBIUS GROUP N.V. Put NBIS N97284108 $232.1M 0.48% 840,400 SH
40 MARVELL TECHNOLOGY INC Call MRVL 573874104 $228.8M 0.47% 768,200 SH
41 PALANTIR TECHNOLOGIES INC Put PLTR 69608A108 $227.5M 0.47% 1,949,900 SH
42 ISHARES INC Put EWY 464286772 $226.3M 0.47% 1,121,000 SH
43 ALPHABET INC Put GOOGL 02079K305 $221.4M 0.46% 619,600 SH
44 FIRST SOLAR INC Call FSLR 336433107 $212.5M 0.44% 900,600 SH
45 SPACE EXPLORATION TECHN CORP Put SPCX 84615Q103 $211.4M 0.43% 1,237,000 SH
46 SANDISK CORP Call SNDK 80004C200 $206.5M 0.42% 90,800 SH
47 CROWDSTRIKE HLDGS INC Put CRWD 22788C105 $200.0M 0.41% 262,100 SH
48 CROWDSTRIKE HLDGS INC Call CRWD 22788C105 $193.8M 0.40% 254,000 SH
49 ORACLE CORP Put ORCL 68389X105 $191.2M 0.39% 1,305,000 SH
50 WEBULL CORP BULL G9572D103 $186.8M 0.38% 28,645,168 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-13 $48.62B 2,732 0001389958-26-000014
2026-03-31 2026-05-14 $42.61B 2,703 0001389958-26-000013
2025-09-30 2026-03-31 $68.28B 2,953 0001389958-26-000011
2025-06-30 2026-03-26 $54.07B 2,970 0001389958-26-000010
Filer Information
Address
2010 E. 6TH ST
AUSTIN, TX 78702
Phone
(312) 444-8712
Filing Manager
PEAK6 LLC
AUSTIN, TX
Signatory
Jay Coppoletta
Chief Corp Dev. & Legal Officer