Carlson Capital, L.P.’s Tesaro Inc Position
Does Carlson Capital, L.P. own Tesaro Inc (T8S)? Not currently — the last reported position was 945.0K shares worth $70M in Q4 2018; the fund’s latest 13F (Q1 2026) no longer reports it.
Position Value
$70M
Q4 2018
Shares
945.0K
% of Portfolio
+1.09%
Quarters Held
1
position exited
Position History T8S
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q4 2018 | 945.0K | $70M | +1.09% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Carlson Capital, L.P.’s full portfolio or all institutional holders of T8S.