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Walleye Trading LLC

Position in FIX — Comfort Systems USA Inc

CIK 1388391 NEW YORK, NY

Position in FIX

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$1,725,116
-$869,430 QoQ
Shares Held
1,251
-55.0% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
7 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in FIX Over Time

Shares Held

Position Value (USD)

Derivatives in FIX

reported options exposure · as of Mar 31, 2026
CallValue
$2,206,384
CallShares
1,600
PutValue
$1,654,788
PutShares
1,200

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 Engineering & Construction

Industrials · as of Mar 31, 2026

Walleye Trading LLC holds $9,254,725 across 6 Engineering & Construction names. FIX ranks #3 (18.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 FIX
Comfort Systems USA Inc
This page
1,251 $1,725,116

All Filings in FIX

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $2,206,384 1,600
2026-03-31 $1,654,788 1,200
2026-03-31 $1,725,116 1,251
2025-12-31 $2,333,225 2,500
2025-12-31 $2,594,546 2,780
2025-12-31 $1,306,606 1,400
2025-09-30 $660,144 800
2025-09-30 $1,237,770 1,500
2025-09-30 $6,384,417 7,737
2025-06-30 $428,968 800
2025-06-30 $1,811,317 3,378
2025-06-30 $643,452 1,200
2025-03-31 $676,893 2,100
2025-03-31 $354,563 1,100
2024-09-30 $156,140 400
2024-09-30 $351,315 900
2024-06-30 $152,060 500
2024-06-30 $30,412 100
2024-06-30 $37,102 122