Features Pricing Learn Reverse Splits Tracker Shelf & ATM Tracker Warrant Tracker PIPE Deal Tracker Weekly Report FAQ API Sign In →
36 /100
MEDIUM RISK
Score updated Oct 13, 2026

SERA — Sera Prognostics, Inc. Dilution Risk Tracker

Track SERA dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

🔔 Track SERA — Get alerts when the score changes →

As of October 13, 2026, Sera Prognostics, Inc. (SERA) has a DilutionWatch DilutionScore of 36/100, rated MEDIUM dilution risk. Sera Prognostics, Inc. has a market capitalization of $60.64M, 29.29M shares outstanding, 58 institutional holders tracked. Stored dilution-related fields include 13.90M outstanding warrants.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
42
💰 Cash Runway
10
📊 Float Risk
22
⚠️ Warrant Exposure
90
🔄 Convertible Debt
40

Dilution Forecast

⛈️
Warning
High probability of dilution event
model est. 39%
📜 Warrant Exercise model 60%
• Massive warrant overhang: 47% of shares outstanding
• Warrant risk score very high (90/100)
🔄 Reverse Split model est. 30%
• 50-day avg $1.99 approaching $1 threshold
🔔 Track SERA — Get forecast alerts →

Market Data

Market Cap$60.64M
Shares Outstanding29.29M
Float27.58M
Cash$46.45M
DebtN/A
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore36/100DilutionWatch score record
Shares Outstanding29.29MVerified float table or market cache
Public Float27.58MVerified float table or market cache
Market Cap$60.64MMarket data cache
Cash Runway34.4 monthsDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding Warrants13.90MSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 1.

Recent SEC source mix: XBRL 1.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 32.5% shares (2026Q1 vs prior)
58 institutional holders · 23.38M shares
#1 BAKER BROS. ADVISORS LP 5.50M shares
#2 Whetstone Capital Advisors, LLC 3.31M shares
#3 Vivo Capital, LLC 3.30M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest229.7K
Days to Cover13.4
% of Float0.8%
FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-08-12
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual SERA Dilution Snapshot

Sera Prognostics, Inc. (SERA) has a DilutionScore of 36/100, rated Medium dilution risk. Score date: October 13, 2026.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

SERA's DilutionScore is currently 36/100 (Medium risk), with 2 score changes tracked over 89 days. The score improved from 27/100 (Medium risk).

Period Score Risk Level Duration
Sep 28 – Oct 13, 202636/100MEDIUM16 days
Aug 14 – Sep 27, 202627/100MEDIUM44 days
Jul 16 – Aug 13, 202623/100LOW29 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

SERA shares outstanding have increased 1.5% from 37.63M (Mar 2026) to 38.19M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 09, 202638.19M27.58M▲ 0.04%
May 03, 202638.19M27.57M▲ 0.57%
Mar 26, 202638.18M27.41M▲ 0.53%
Mar 24, 202638.18M27.27M▲ 0.22%
Mar 23, 202637.63M27.21M▲ 0.39%
Mar 21, 202637.63M27.10M▲ 1.42%
Mar 14, 202637.63M26.72M▼ 0.91%
Mar 13, 202637.63M26.97M▲ 0.01%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

Track SERA Dilution Risk in Real-Time
DilutionWatch monitors SEC filings 24/7 and alerts you the moment SERA files a shelf registration, ATM offering, warrant notice, or convertible note. Free tier available — no credit card required.
Start Tracking SERA — Free
Email alert within minutes of any SEC filing Daily DilutionScore™ recalculation Score history & trend tracking Tracks 8,000+ tickers simultaneously

Related Stocks — MEDIUM Risk

Other MEDIUM dilution risk stocks tracked by DilutionWatch with similar profiles:

Browse all 8,490+ tracked stocks →

📖 Dilution Education
→ Complete Dilution Guide for Retail Investors → Anti-Dilution Provisions Explained → Stock Dilution Red Flags to Watch → Understanding Shelf Registrations