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MARINER INVESTMENT GROUP LLC

Position in BLDR — Builders FirstSource, Inc.

CIK 1096978 NEW YORK, NY

Position in BLDR

as of Mar 31, 2026 · filed May 5, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
4 quarters on record

Derivatives in BLDR

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$649,750
PutShares
115,000

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.

All Filings in BLDR

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $649,750 115,000
2025-12-31 $237,500 100,000
2025-09-30 $495,000 100,000
2025-06-30 $502,500 150,000