Steven Cohen's UPB Position Overview
Steven Cohen (via Point72 Asset Management, L.P.) currently holds 453,011 shares of Upstream Bio, Inc. (UPB) worth $3.13 M, representing 0.00% of the portfolio. First purchased in 2026-Q1, this recently established position has been held for 2 quarters.
Based on recent 13F filings, Steven Cohen has initiated a new position in UPB, representing a fresh investment thesis on this company. Largest addition occurred in Q2 2026, adding 274,843 shares.
Analysis based on 13F filings available since 2013 Q2
Steven Cohen's Upstream Bio (UPB) Holding Value Over Time
Track share changes against reported price movement
Quarterly Upstream Bio (UPB) Trades by Steven Cohen
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +274,843 | Add 154.26% | 453,011 | $6.92 |
| Q1 2026 | +178,168 | New Buy | 178,168 | $9.00 |
Steven Cohen's Upstream Bio Investment FAQs
Steven Cohen first purchased Upstream Bio, Inc. (UPB) in Q1 2026, acquiring 178,168 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Steven Cohen has held Upstream Bio, Inc. (UPB) for 2 quarters since Q1 2026.
Steven Cohen's largest addition to Upstream Bio, Inc. (UPB) was in Q2 2026, adding 453,011 shares worth $3.13 M.
According to the latest 13F filing for Q2 2026, Steven Cohen's firm, Point72 Asset Management, L.P., owns 453,011 shares of Upstream Bio, Inc. (UPB), valued at approximately $3.13 M.
As of the Q2 2026 filing, Upstream Bio, Inc. (UPB) represents approximately 0.00% of Steven Cohen's publicly disclosed stock portfolio, making it one of their key holdings.
Steven Cohen's peak holding in Upstream Bio, Inc. (UPB) was 453,011 shares, as reported at the end of Q2 2026.