David Einhorn
Greenlight Capital
David Einhorn Acadia Healthcare Company Inc stake
total: 357
Greenlight Capital ACHC trades
- Total transactions:
- 7
- New positions:
- 1
- Added:
- 4
- Reduced:
- 2
- Held since:
- 2024 Q4
- Held for:
- 7 quarters
- Latest activity:
- 2026 Q2
According to 2026 Q2 report, David Einhorn holds 4,400,641 Acadia Healthcare Company Inc (ACHC) shares with a market value of roughly $129.95M accounting for 3.32% of the overall portfolio. To date, the estimated cost basis is nearly $18.94 for "buy" trades and estimated average "sell" price is $29.58. Greenlight Capital first purchased ACHC in 2024 Q4, initially acquiring 128,640 shares. Since the initial investment in Acadia Healthcare Company Inc (ACHC), Greenlight Capital has made 6 more transactions.
When did David Einhorn buy Acadia Healthcare Company Inc (ACHC)?
David Einhorn first invested in Acadia Healthcare Company Inc (ACHC) in 2024 Q4 at the reported quarter-end price of $39.65 per share.
What's the cost basis of Greenlight Capital's ACHC stake?
The estimated cost basis for Acadia Healthcare Company Inc (ACHC) stake is around $18.94 per share. This represents their average reported price* across all buy transactions
Estimated cost basis*
- Weighted AVG buy price:
- $18.94
- Weighted AVG sell price:
- $29.58
David Einhorn's historical trades in Acadia Healthcare Company Inc
7 results
| Period |
% of portfolio |
Shares held after* |
Reported price* |
Value* |
% (shares) of activity |
% change to portfolio |
|---|---|---|---|---|---|---|
|
2026 Q2
|
3.32%
|
4,400,641
|
$29.53
|
$129,950,928
|
-2.61% (-117,740)
|
-0.11%
|
|
2026 Q1
|
3.31%
|
4,518,381
|
$23.39
|
$105,684,932
|
+9.64% (+397,178)
|
+0.29%
|
|
2025 Q4
|
2.05%
|
4,121,203
|
$14.19
|
$58,479,870
|
+150.88% (+2,478,493)
|
+1.23%
|
|
2025 Q3
|
1.60%
|
1,642,710
|
$24.76
|
$40,673,500
|
+89.91% (+777,699)
|
+0.76%
|
|
2025 Q2
|
0.84%
|
865,011
|
$22.69
|
$19,627,100
|
+615.71% (+744,151)
|
+0.73%
|
|
2025 Q1
|
0.19%
|
120,860
|
$30.32
|
$3,664,476
|
-6.05% (-7,780)
|
-0.01%
|
|
2024 Q4
|
0.26%
|
128,640
|
$39.65
|
$5,100,576
|
new
|
+0.26%
|
* Shares, change to shares, sold shares, shares held after: split-adjusted.
* Reported price: this doesn't represent the actual buy or sell price. It is the split-adjusted price of the security as of the last day of the reported period.
If the security is completely sold out, we show the reported split-adjusted price prior to the actual period.
If the security is completely sold out, we show the reported split-adjusted price prior to the actual period.
* Estimated cost basis: based on "Reported price*" (not earlier than 2013 Q2). Calculation starts from the latest "new buy" activity to the latest "close out" activity (if any).
* Value or Price: If the security is completely sold out, we show the reported value (or price) prior to the actual period.
* New buy or own: this means there is no earlier reporting (for us or in general). So we can't know if the actual purchase of the security happened at the reported period or earlier.