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Seth Klarman's Cullinan Oncology, Inc. (CGEM) position

Not anymore: Seth Klarman fully exited CGEM in Q4 2022. The position peaked at an amount we cannot price in Q1 2021.
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Value at exit
an amount we cannot price
Shares at exit
430K
Quarter-end price
No quarter-end price available

Average buy price is hidden here: this position was already held before our 13F history begins, so the opening cost is unknown and any average would understate it.

CGEM price vs Klarman's position

Dates
$16$16.5$17$17.5$18$18.5← Earlier —2 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q4 2022 Exited −430K −100.0% 0 Feb 13, 2023
Q3 2022 Reduced −1.1M −72.0% 430K Nov 14, 2022
No change · Q1–Q2 2022 (2 quarters)
No change 1.5M
Q4 2021 Reduced −300K −16.3% 1.5M Feb 11, 2022
No change · Q2–Q3 2021 (2 quarters)
No change 1.8M
Q1 2021 First covered 1.8M May 14, 2021
Data through Q4 2022 · filed Feb 13, 2023
6 grouped rows from 8 quarters

More Klarman positions

Common questions

Does Seth Klarman own CGEM?

Not currently. Seth Klarman fully exited CGEM in Q4 2022, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Seth Klarman buy CGEM?

Seth Klarman held CGEM since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Seth Klarman sell CGEM?

Yes. Seth Klarman reduced and then fully exited CGEM by Q4 2022; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of CGEM does Seth Klarman own?

None as of the latest filing: Seth Klarman has exited CGEM. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Seth Klarman pay for CGEM?

Seth Klarman began building the CGEM position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.