CastleKnight Management LP
Position in ACHC — Acadia Healthcare Company, Inc.
CIK 1835751
New York, NY
Position in ACHC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$692,344
-$709,628 QoQ
Shares Held
29,600
-70.0% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACHC Over Time
Shares Held
Position Value (USD)
Derivatives in ACHC
reported options exposure · as of Sep 30, 2025CallValue
$742,800
CallShares
30,000
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 Medical Care Facilities
Healthcare · as of Mar 31, 2026CastleKnight Management LP holds $80,021,698 across 8 Medical Care Facilities names. ACHC ranks #8 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CYH |
Community Health Systems Inc
|
12,667,586 | $37,242,702 | |
| 2 | MD |
Pediatrix Medical Group, Inc.
|
642,036 | $13,733,150 | |
| 3 | ARDT |
Ardent Health, Inc.
|
1,076,967 | $9,218,837 | |
| 4 | UHS |
Universal Health Services Inc
|
51,000 | $9,127,470 | |
| 5 | THC |
Tenet Healthcare Corp
|
36,200 | $6,831,302 | |
| 6 | SGRY |
Surgery Partners, Inc.
|
200,700 | $2,392,344 | |
| 7 | SEM |
Select Medical Holdings Corp
|
48,100 | $783,549 | |
| 8 | ACHC |
Acadia Healthcare Company, Inc.
This page
|
29,600 | $692,344 |
All Filings in ACHC
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $692,344 | 29,600 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $1,401,972 | 98,800 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $742,800 | 30,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $9,755,440 | 394,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,147,350 | 315,000 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $1,361,400 | 60,000 | Call | Sole | 2025-08-14 | |
| No filing history on record for this holder in this stock. | ||||||