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Weekly Brief

Week of August 3, 2026

Top smart money signals, catalyst updates, and insider activity.

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What happened in biotech the week of August 3, 2026?

This week in biotech: 1 insider purchase. 10 catalyst outcomes including PFE. 5 high-conviction convergence signals. 2 catalysts expected in the next two weeks.

This Week in Biotech Smart Money

This week ending August 3, 2026, biotech specialist funds continued to concentrate capital in a handful of high-conviction names, with convergence signals flashing across several mid-cap platforms. The most notable clustering appears in Celcuity Inc. (CELC) and Kymera Therapeutics Inc. (KYMR), where eight funds collectively hold $2.4 billion and $2.1 billion in exposure, respectively, suggesting broad institutional consensus around both companies' near-term prospects. CELC's position size in particular stands out as unusually large for a name at its market capitalization stage, indicating that specialist funds may be anticipating a significant data or regulatory inflection. COMPASS Pathways plc (CMPS) also drew attention, with ten funds holding a combined $454.5 million — the highest fund count in this week's dataset — reflecting sustained conviction in the psilocybin-assisted therapy space despite a volatile macro backdrop for early-stage CNS assets.

On the convergence front, Structure Therapeutics Inc. (GPCR) and Centessa Pharmaceuticals plc (CNTA) each attracted nine funds with $962.1 million and $1.2 billion in aggregate exposure, respectively. GPCR's inclusion across multiple books is consistent with ongoing institutional interest in oral GLP-1 receptor agonist programs, where the competitive landscape continues to draw disproportionate fund attention. CNTA's $1.2 billion in aggregate positioning suggests that funds with deep pipeline visibility are treating it as a multi-asset platform play rather than a single-catalyst trade. Together, these five names — CELC, KYMR, CMPS, GPCR, and CNTA — represent the clearest convergence signals of the week and warrant close monitoring for any position size changes heading into August's catalyst-heavy window.

The near-term binary event calendar is among the more consequential in recent months. Regeneron Pharmaceuticals (REGN) faces its first major inflection of the period with a Phase 2 readout for itepekimab (SAR440340) on August 7, a key data point for the IL-33 inhibitor's expansion into indications beyond asthma. The following week brings a Phase 3 readout for Thermo Fisher Scientific (TMO) on August 14 tied to Nexium 20mg, though institutional focus there is likely more formulaic given TMO's diversified revenue base. The most data-dense single day of the period falls on August 15, when United Therapeutics (UTHR) is expected to report both a Phase 2 readout for its pUMVC3-IGFBP

Insider Buys This Week

AGMBBoughtKnotnerus Tim Jasper (Chief Executive Officer)
$ ---

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Since Last FilingQ2 2026

CRNXUp since Q2 2026
-- %
BEIGFDown since Q2 2026
-- %
RYTMDown since Q2 2026
-- %
AZNDown since Q2 2026
-- %

Exact price changes available with a free trial.

Catalyst Outcomes This Week

PFENegativePhase 2 Readout
PF-00885706
MGNXPositivePhase 3 Readout
Margetuximab
SNYNFPositivePhase 2 Readout
Aflibercept (ziv-aflibercept, AVE0005, VEGF trap, ZALTRAP®)
ALNYPositivePhase 3 Readout
Lumasiran
VSTMNegativePhase 2 Readout
defactinib (VS-6063)
MRKNegativePhase 2 Readout
Dalantercept and axitinib
VTRSPositivePhase 3 Readout
pregabalin
CSTLNegativePhase 2 Readout
veledimex
BIIBPositivePhase 2 Readout
dimethyl fumarate
MISTApprovedPhase 3 Readout
Etripamil

Catalysts Ahead

2 catalysts this week · 15 total in next 30 days

DSGNPhase 3 ReadoutFarxiga® (dapagliflozin) + Onglyza® (saxagliptin) + Metformin Oral Mix Treat type 2 diabetes
Oct 18, 2026
BEIGFPhase 2 ReadoutBGB-45035
Oct 18, 2026
SNYNFPhase 3 ReadoutItepekimab (SAR440340)
Q4 2026
INCYPhase 3 ReadoutPovorcitinib
Q4 2026
INCYPhase 3 ReadoutPovorcitinib
Q4 2026
PFEPhase 2 ReadoutPF-07275315
Q4 2026
BIIBPhase 3 ReadoutLitifilimab
Q4 2026
AMGNPhase 3 ReadoutDazodalibep
Q4 2026
AZNPhase 2 ReadoutVolrustomig
Q4 2026
ILMNPhase 2 Readout18F-MFBG
Q4 2026
ILMNPhase 2 Readout18F-metaFluorobenzylguanidine
Q4 2026
VRTXPhase 3 ReadoutVX-121/TEZ/D-IVA
Q4 2026
CRNXPhase 2 Readoutatumelnant
Q4 2026
RYTMPhase 2 ReadoutSetmelanotide
Q4 2026
AZNPhase 3 ReadoutCapivasertib
Q4 2026

High Conviction — Fund Convergence

GPCR11 fundsStructure Therapeutics Inc.
RVMD10 fundsRevolution Medicines Inc.
DFTX10 fundsDefinium Therapeutics, Inc.
SYRE9 fundsSpyre Therapeutics, Inc.
TNGX9 fundsTango Therapeutics Inc.

Research This Week

Short Interest — Notable Changes

DSGNSI Rising
-- %
AGMBSI Rising
-- %
AZNSI Falling
-- %
AMGNSI Rising
-- %
INCYSI Rising
-- %
RYTMSI Rising
-- %
BIIBSI Rising
-- %
VRTXSI Falling
-- %

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