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PEAK6 LLC

Position in KMX — Carmax Inc

CIK 1389958 AUSTIN, TX

Position in KMX

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$15,010
-$1,027,806 QoQ
Shares Held
361
-98.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in KMX Over Time

Shares Held

Position Value (USD)

Derivatives in KMX

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$2,133,054
PutShares
51,300

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Auto & Truck Dealerships

Consumer Cyclical · as of Mar 31, 2026

PEAK6 LLC holds $4,687,344 across 6 Auto & Truck Dealerships names. KMX ranks #5 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 KMX
Carmax Inc
This page
361 $15,010

All Filings in KMX

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $15,010 361
2026-03-31 $2,133,054 51,300
2025-12-31 $3,864 100
2025-12-31 $2,187,024 56,600
2025-12-31 $1,042,816 26,988
2025-09-30 $3,780,970 84,265
2025-09-30 $7,569,569 168,700
2025-06-30 $433,370 6,448
2025-06-30 $557,843 8,300
2025-06-30 $2,150,720 32,000
2025-03-31 $2,314,224 29,700
2025-03-31 $2,064,880 26,500
2025-03-31 $334,822 4,297
2024-12-31 $3,949,008 48,300
2024-12-31 $2,726,368 33,346
2024-12-31 $19,458,880 238,000