Stephen Mandel
Lone Pine Capital
Stephen Mandel SEAGATE TECHNOLOGY ULC stake
total: 304
Lone Pine Capital STX trades
- Total transactions:
- 1
- New positions:
- 1
- Held since:
- 2026 Q2
- Held for:
- 1 quarter
- Latest activity:
- 2026 Q2
According to 2026 Q2 report, Stephen Mandel holds 1,000,109 SEAGATE TECHNOLOGY ULC (STX) shares with a market value of roughly $965.11M accounting for 5.90% of the overall portfolio. To date, the estimated cost basis is nearly $965 for "buy" trades. Lone Pine Capital first purchased STX in 2026 Q2, initially acquiring about 1.00M shares.
When did Stephen Mandel buy SEAGATE TECHNOLOGY ULC (STX)?
Stephen Mandel first invested in SEAGATE TECHNOLOGY ULC (STX) in 2026 Q2 at the reported quarter-end price of $965.00 per share.
What's the cost basis of Lone Pine Capital's STX stake?
The estimated cost basis for SEAGATE TECHNOLOGY ULC (STX) stake is around $965.00 per share. This represents their average reported price* across all buy transactions
Estimated cost basis*
- Weighted AVG buy price:
- $965.00
Stephen Mandel's historical trades in SEAGATE TECHNOLOGY ULC
1 result
| Period |
% of portfolio |
Shares held after* |
Reported price* |
Value* |
% (shares) of activity |
% change to portfolio |
|---|---|---|---|---|---|---|
|
2026 Q2
|
5.90%
|
1,000,109
|
$965.00
|
$965,105,185
|
new
|
+5.9%
|
* 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.