LANDMARK INVESTMENT PARTNERS, L.P.
Position in CSGP — Costar Group, Inc.
CIK 2023551
WEST PALM BEACH, FL
Position in CSGP
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,839,428
-$5,547,807 QoQ
Shares Held
119,966
-22.3% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
5.00%
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 CSGP Over Time
Shares Held
Position Value (USD)
Derivatives in CSGP
reported options exposure · as of Dec 31, 2025CallValue
$13,817,820
CallShares
205,500
PutValue
$0
PutShares
0
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 Real Estate Services
Real Estate · as of Mar 31, 2026LANDMARK INVESTMENT PARTNERS, L.P. holds $20,086,111 across 3 Real Estate Services names. CSGP ranks #3 (24.1% of the industry book) .
All Filings in CSGP
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,839,428 | 119,966 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $13,817,820 | 205,500 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $10,387,235 | 154,480 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $12,603,612 | 149,385 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $22,202,460 | 276,150 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $1,181,880 | 14,700 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $3,343,506 | 42,200 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $22,419,396 | 282,966 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,700,303 | 37,719 | Shares | Sole | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||