UPB
Upstream Bio Inc · NASDAQ NMS - GLOBAL MARKET · Biotechnology
$9.84+$0.14 (+1.44%)
Prices delayed up to 5 minutes
AC Intelligence
AC Intelligence
AC Intelligence for UPB is being prepared.
Key Stats
Key Stats
Open
$9.87
Day High
$10.00
Day Low
$9.45
Prev Close
$9.70
Volume
0
Avg Volume
736.1K
Day Change
+$0.14
Change %
+1.44%
Fundamentals
Fundamentals
P/B
4.32
EPS (TTM)
$-2.66
Market Cap
$535M
52-Wk Range
$5.14 — $33.68
Earnings History
Insider Activity
Who Owns This Stock
Who Owns UPB
Other49.8%90 holders
Quality / Compounder24.6%13 holders
Passive / Index13.1%8 holders
Dealer / Bank5.5%13 holders
Tactical / Macro1.0%2 holders
Systematic / Quant0.7%3 holders
Based on Q4 2025 13F filings + AC behavioral model
135 institutional holders
Top Holders
$184511.0B
$154580.9B
$85334.6B
$78263.9B
$66780.9B
-3.6%$57916.7B
+563.2%$49028.1B
$41187.1B
+46.3%$37381.9B
-5.3%$36422.8B
-45.5%$36097.1B
$36008.9B
$35817.0B
$31746.4B
-1.6%$25144.0B
$24292.0B
$22658.3B
$20991.0B
$20640.8B
$20362.5B
Institutional Pressure
Market Regime:Strong Risk-Off (-0.62)SELLINGBUYING
▲
Neutral
Other(49.8%)
●
—Quality / Compounder(24.6%)
●
Holds throughPassive / Index(13.1%)
●
HoldsDealer / Bank(5.5%)
●
FacilitatingTactical / Macro(1.0%)
●
Reducing rapidlySystematic / Quant(0.7%)
●
De-risking (mechanical)Income / Defensive(0.1%)
●
Inflows (flight to yield)Growth / Momentum(0.1%)
●
Likely trimmingActivist(0.1%)
●
May accumulate38% passive + quality floor won't sell.
Updated daily · Based on Q4 2025 filings + AC behavioral model
Sentiment Signals
Sentiment Signals
→Insider ActivityNo insider transactions in last 90 daysSEC Form 4
↑↑Analyst Consensus10 buy, 2 hold, 0 sellFinnhub
↑↑Inst. Flows140 increased/new, 47 decreased/exited (13F)AC 13F Analysis
Sources: SEC Form 4, Finnhub, AC 13F Analysis
On AcidCapitalist
On AcidCapitalist
No recent mentions of UPB on AcidCapitalist.
Data provided by Finnhub. Prices delayed up to 5 minutes.