Upstream Bio's stock plummets over 30% after mixed Phase [--] trial results for severe asthma drug Verekitug, sparking investor concern and a sharp sell-off.
Upstream Bio, Inc. is a biotechnology company focused on developing treatments for severe conditions.
Upstream Bio, Inc. uses the ticker $UPB for trading. Listed in the Stocks category.
Price 24-Hour Time-Series Raw Data
The stock price has experienced a significant decline, dropping over 30% in the last [--] hours, following the release of Phase [--] trial data for their severe asthma drug, Verekitug. Mixed efficacy results appear to have spooked investors, leading to a sharp sell-off.
24-Hour: -31.05% 7-Day: -65.59% 30-Day: -71.77%
1-Year High: $32.60 on 2026-01-13
1-Year Low: $8.80 on 2026-02-13
AltRank 24-Hour Time-Series Raw Data
Upstream Bio, Inc. (UPB) is currently AltRank #452 based on combined combined social and market metrics
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1-Year High: [-----] on 2026-02-05
1-Year Low: [---] on 2026-01-25
Galaxy Score 24-Hour Time-Series Raw Data
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[--] Months: [--] +11
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1-Year High: [--] on 2026-01-26
1-Year Low: [--] on 2025-10-02
Engagements 24-Hour Time-Series Raw Data
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[--] Week: [-------] +332%
[--] Month: [-------] +298%
[--] Months: [-------] +9.10%
[--] Year: [---------] +243%
1-Year High: [-------] on 2025-03-11
1-Year Low: [--] on 2025-05-09
Engagements by network (24h): News: [--] X: [-----] Reddit: [--] YouTube: [--]
Mentions 24-Hour Time-Series Raw Data
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[--] Week: [---] +100%
1-Year High: [---] on 2026-02-13
1-Year Low: [--] on 2025-05-09
Mentions by network (24h): News: [--] X: [---] Reddit: [--] YouTube: [--]
Creators 24-Hour Time-Series Raw Data
[---] unique social accounts have posts mentioning Upstream Bio, Inc. (UPB) in the last [--] hours which is up 23% from [---] in the previous [--] hours
Daily Average: [--]
[--] Week: [---] +145%
1-Year High: [---] on 2025-06-28
1-Year Low: [--] on 2025-05-09
The most influential creators that mention Upstream Bio, Inc. in the last [--] hours
| Creator | Rank | Followers | Posts | Engagements |
|---|---|---|---|---|
| @BiopharmIQ | [--] | [------] | [--] | [---] |
| @RiskInhibitor | [--] | [--] | [--] | [---] |
| @CavalryCologne | [--] | [--] | [--] | [---] |
| @BPharmCatalyst | [--] | [------] | [--] | [---] |
| @ahelaahela23 | [--] | [--] | [--] | [---] |
| @BOSSTRADING0 | [--] | [-----] | [--] | [---] |
| @Biotech2k1 | [--] | [------] | [--] | [---] |
| @ElMonoGran42994 | [--] | [---] | [--] | [--] |
| @stocktreats | [--] | [-----] | [--] | [--] |
| @Investingcom | [--] | [------] | [--] | [--] |
Sentiment 24-Hour Time-Series Raw Data
Current Value: 48%
Daily Average: 81%
[--] Week: 50% no change
[--] Month: 35% -8%
[--] Months: 35% -45%
[--] Year: 35% -65%
1-Year High: 100% on 2025-02-17
1-Year Low: 10% on 2026-01-20
Most Supportive Themes:
Most Critical Themes:
Social Dominance 24-Hour Time-Series Raw Data
Current Value: 0.027%
Daily Average: 0.00441%
[--] Week: 0.025% +0.019%
[--] Month: 0.032% +0.029%
[--] Months: 0.032% +0.03%
[--] Year: 0.032% +0.029%
1-Year High: 0.049% on 2025-03-11
1-Year Low: 0.0002% on 2025-05-09
Market Dominance 24-Hour Time-Series Raw Data
Current Value: 0.0005386780130073258%
Daily Average: 0%
1-Year High: 0.00205% on 2026-01-13
1-Year Low: 0.00054% on 2026-02-16
Market Cap 24-Hour Time-Series Raw Data
Current Value: $475,539,601
Daily Average: $1,439,958,615
[--] Week: $475,539,601 -66%
[--] Month: $472,837,671 -72%
1-Year High: $1,761,658,067 on 2026-01-13
1-Year Low: $472,837,671 on 2026-02-13
Top posts by engagements in the last [--] hours
Showing a maximum of [--] top social posts without a LunarCrush subscription.
"📉🔻 Top Losers 🔻📉Last Week $AIM $OBAI $POAS $LIMN $AZI $PLYX $BRTX $AREB $SSKN $UOKA $UPB $LHSW $ANPA $ELPW $PFSA"
X Link @PeterJantsch 2026-02-15T20:05Z [---] followers, [---] engagements
"$UPB The market overreacted. The selloff is overdone. The stock is worth at least $11 in my view. This is gearing up for a massive short squeeze on Tuesday. Shorts will cover and the move up will be violent. $GME $OPEN"
X Link @CavalryCologne 2026-02-15T19:12Z [--] followers, [---] engagements
"🧬 Biotech Weekly News Largest single-day stock moves during the week ending 02/13/26 📈 $EVMN 71% EVO301 Topline data $NKTR 51% REZOLVE-AD Maintenance Data $HUMA 30% New Defense Funding for Blood Vessels $PHIO 24% Positive SMC wrap-up on PH-762 $NVCR 19% FDA Approves Optune Pax for Cancer 📉 $UPB -47% VALIANT Trial Results $MCRB -42% Program and Corporate Updates $CHRS -20% Pricing of Public Offering $1.75/sh $OKYO -19% Pricing of $20M Offering $1.85/sh $RGNX -14% Regulatory Update on RGX-121 BLA See image below. *** AD momentum continues. $NKTR maintenance data + early Ph2a from $EVMN in a"
X Link @BiopharmIQ 2026-02-14T14:02Z 28.9K followers, [----] engagements
"$ONCY reported significant coordinated insider buying across all executive and board levels on February [----] [----]. Purchases between $0.83 and $0.86 per share signal strong confidence at the current price; shares closed up 26%. $IRON $ONCY $PHIO $CHRS $OKYO $EVMN $AIM $ICLR $INTS $UPB See More Biotech Updates👇 https://www.biopharmcatalyst.com/news/2026/disc-iron-22-complete-response-letter-crl-oncolytics-oncy-27-insider-buys https://www.biopharmcatalyst.com/news/2026/disc-iron-22-complete-response-letter-crl-oncolytics-oncy-27-insider-buys"
X Link @BPharmCatalyst 2026-02-13T21:35Z 30.7K followers, [----] engagements
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