Stocks/IDYA

IDYA

IDEAYA Biosciences, Inc.
Healthcare·Biotechnology
$29.47
$2.6B market cap
Claude Rating
4/10UNDERWEIGHT
Revenue
$225.3M
Free Cash Flow
$-87.9M
Rev Growth
+0.0%
FCF Margin
-39.0%
P/FCF
--
EV/FCF
--
Fwd EV/EBITDA
--
Fair Value
$28.00
Upside
-5.0%

IDEAYA Biosciences, Inc., a synthetic lethality-focused precision medicine oncology company, focuses on the discovery and development of targeted therapeutics for patient populations selected using molecular diagnostics. The company's lead product candidates include IDE397, a methionine adenosyltransferase 2a inhibitor that is in Phase I clinical trial for patients with solid tumors having methylthioadenosine phosphorylase deletions; and IDE196, a protein kinase C inhibitor that is in Phase I/II

2-Year Price History

$29.10-20.4%
$15$20$25$30$35$40volMay 24Sep 24Jan 25May 25Sep 25Jan 26May 26

Quarterly Financials & Projections

Quarterly Waterfall ($ M)
PeriodRevEBITDAOpInNIOCFFCFCapExCashDebtSharesROICIntCovEV/EBITDA
Est2027-Q420.0-84.0---76.0---79.0-0.469.6----------
Est2027-Q318.0-82.8---75.6---78.3-0.4148.6----------
Est2027-Q216.0-81.6---74.4---77.6-0.3226.9----------
Est2027-Q114.0-79.8---73.5---76.3-0.4304.5----------
Est2026-Q415.0-78.0---71.3---74.3-0.3380.8----------
Est2026-Q313.0-76.1---69.6---72.8-0.3455.0----------
Est2026-Q214.0-74.9---68.6---71.4-0.3527.8----------
Est2026-Q112.0-75.0---69.0---72.0-0.3599.2----------
Act2026-Q16.6-107.4-108.5-98.5-75.2-76.1-1.0671.228.688.7-66.6%----
Act2025-Q410.9-93.4-94.6-83.3-90.5-90.8-0.3639.455.588.6-48.8%----
Act2025-Q3207.8120.3108.5119.2142.2142.2-0.0786.927.389.752.3%----
Act2025-Q20.0-76.3-88.8-77.5-62.5-63.1-0.7669.726.688.5-50.3%----
Act2025-Q10.0-71.1-84.4-72.2-60.3-61.7-1.3692.526.088.4-43.2%----
Act2024-Q47.0-129.7-144.1-130.3-121.7-122.8-1.1676.319.287.3-70.1%----
Act2024-Q30.0-50.8-66.9-51.8-49.2-49.7-0.5920.018.886.2-27.9%----
Act2024-Q20.0-51.7-64.9-52.8-32.9-33.9-1.0701.71.978.0-37.0%----
Act2024-Q10.0-38.5-51.0-39.6-43.8-45.1-1.3698.82.475.1-28.4%----
Act2023-Q43.9-32.9-41.9-34.0-23.8-24.6-0.8525.12.965.3-40.9%----
Act2023-Q38.0-26.5-33.5-27.4-30.2-30.8-0.6468.82.160.0-44.5%----
Act2023-Q23.5-26.9-32.7-27.9-33.5-34.3-0.9493.72.656.3-43.6%----
Act2023-Q17.9-22.7-26.3-23.6-27.8-27.9-0.0339.53.048.4-78.2%----
Act2022-Q44.0-23.6-26.4-24.2-23.4-23.4-0.0364.83.548.1-69.2%----
Act2022-Q329.72.50.71.6-24.2-25.3-1.1386.23.941.11.5%----
Act2022-Q25.9-20.9-22.5-22.1-20.0-21.9-1.9268.64.438.7-116.3%----
Act2022-Q111.4-13.6-14.2-14.0-19.7-20.1-0.4252.64.838.6-57.7%----

AI Analysis

LLM Evaluations

Claude4/10UNDERWEIGHTFV: $28.00

IDEAYA is a high-quality clinical-stage biotech with a differentiated synthetic lethality platform and strong partnerships (GSK, Pfizer, Gilead, Servier). However, the stock trades at $3.1B market cap (~$2.5B EV) with $639M cash, implying the market assigns ~$1.9B to the pipeline. Darovasertib in uveal melanoma faces KOL skepticism on functional vision endpoints, IDE397 carries significant clinical risk after the Amgen partnership dissolution, and the company enters a catalyst desert through mid-2026. With 10.7% short interest rising, 21% dilution overhang from reserved shares, quarterly cash burn of $70-80M, and only ~8-9 quarters of cash runway before needing to raise capital, risk/reward is unfavorable at current prices. The pipeline has legitimate upside optionality but probability-weighted NPV does not support the current valuation premium to cash.

Catalyst Phase 3 darovasertib data readout in metastatic uveal melanoma (H2 2026/2027) could be transformative if efficacy endpoints are met; IDE397 clinical updates in MTAP-deleted cancers; potential additional partnership deals monetizing the platform.
Risk Darovasertib Phase 3 failure or underwhelming functional vision preservation data, which would collapse the largest component of pipeline value and likely trigger a >50% drawdown given the current premium to cash.
Trend
DETERIORATING
Mgmt
6/10
Quarter
3/10
Exp. Move
-8.0%

Valuation & Metrics

Market Stats

Price$29.47
Market Cap$2.6B
Enterprise Value$1.9B
P/S Ratio11.5x
P/FCF--
EV/FCF--
FCF Margin (TTM)-39.0%
FCF Yield-3.4%
Dividend Yield (TTM)--
Annual Dilution0.4%
CurrencyUSD

TTM Financial Snapshot

Revenue$225.3M
Net Income$-140.1M
Free Cash Flow$-87.9M

Revenue Growth (YoY)+0.0%
EBITDA Margin-69.6%
Net Margin-62.2%
FCF Margin-39.0%
CapEx % of Revenue0.9%
SBC % of Revenue10.7%
ROIC-28.3%
WC Change % Rev1.4%
Interest Coverage--

DCF Fair Value Estimate

$-7.77
-126.4% upside
Fair Enterprise Value$-6.9B
− Net Debt$-643M
= Fair Equity$-690M
Revenue Growth25.9% → 8.0%
FCF Margin-39.0% → 25.0%
Discount Rate17.0%
Terminal EV/FCF20.0x

Forward Outlook & Risk

Short Interest

Short % of Float13.5%
Short Shares11.7M
Days to Cover11.2
Change (vs Prior)+10.8%
Short % Float History
13.50%+1.00pp
8.0%9.0%10.0%11.0%12.0%13.0%14.0%04-3007-1509-1511-1401-1504-30

Options

Call IV (ATM)62%
Put IV (ATM)68%
ATM Spread16.5%
Call $OI (near money)$311K
Put $OI (near money)$713K
ATM ExpiryJuly 17, 2026 (56D)
ATM Strike$30.0
Major Expirations3
Near-money chain · July 17, 2026
StrikeCall Bid/AskCall OIPut Bid/AskPut OI
$20.00$7.10/$12.001$0.10/$0.35522
$22.50$5.10/$9.808--/$4.9027
$25.00$3.10/$7.908--/$2.00644
$27.50$1.65/$6.500--/$4.900
$30.00$0.10/$4.9013$1.05/$5.90229
$32.50--/$4.900$2.55/$7.400
$35.00--/$3.2013$4.50/$9.30783
$37.50--/$4.901$6.50/$11.400
Snapshot: 2026-05-22

Forward Projections & Estimates

NTM Revenue Growth-76.0%
Forward FCF Margin-537.9%
Forward EBITDA Margin-562.9%
Forward P/FCF--
Forward EV/FCF--
Forward Int. Coverage--
Model Risk Score9/10
Bankruptcy Odds8%
Est. Borrow Rate15.0%
Terminal EV/FCF20.0x
LT Growth15.0%
LT FCF Margin25.0%

Employees

Headcount131
Revenue / Employee$1,719,618
Gross Profit / Employee$1,684,481
2022: 103 → 2023: 124 → 2024: 131 → 2025: 200,000 (1148% CAGR)

Institutional Ownership

Headline & net flow

NET BUYING

In Q1 2026 so far (quarter still filing), institutions are net buyers — bought 7.2% of float, sold 5.4%. 1 filer moved >1% of shares (0 buying, 1 selling).

Net flow · Q1 2026still filing
+1.8% of float (net)
Bought 7.2% · Sold 5.4%
266 filers reported (last quarter: 253)

Ownership composition

Active
93.0%(+46.7% YoY)
232 filers
hedge / family / endowment
Retail funds
Fidelity, Schwab, 401(k)
Passive
21.6%(+8.6% YoY)
6 filers
Vanguard, iShares, SPDR
Market makers
0.5%(+0.4% YoY)
7 filers
Citadel, Susquehanna
Insiders
1.9%
Form 4 — latest per insider
0%25%50%75%100%2022-062023-032023-122024-092025-062026-03
ActiveRetail fundsPassiveMarket makersRetail direct

Top holders

Fund$ valueCost basisΔ QoQΔ YoYα lifeFund AUM
FMR LLC$439M$39.79+$738K+$1.4M+0.3%$1.89T
BlackRock, Inc.Passive$281M$30.05+$7.8M−$23.8M-0.2%$5.69T
JANUS HENDERSON GROUP PLC$242M$29.17+$2.6M+$28.8M+1.5%$209.29B
Capital Research Global Investors$172M$24.16−$3.9M+$80.9M+0.4%$644.55B
BAKER BROS. ADVISORS LP$131M$22.53+$10.9M+$96.1M-0.5%$16.13B
STATE STREET CORPPassive$126M$28.69−$11.8M+$11.2M-0.2%$2.89T
Logos Global Management LP$115M$22.00+$10.8M−$1.7M-1.8%$1.94B
FEDERATED HERMES, INC.$99.5M$30.94−$13.6M−$59.3M-1.1%$61.33B
ADAGE CAPITAL PARTNERS GP, L.L.C.$94.1M$22.14+$783K+$54.5M-0.1%$64.61B
Fiera Capital Corp$84.2M$35.72+$3.0M+$43.9M-0.2%$29.02B
GEODE CAPITAL MANAGEMENT, LLCPassive$83.3M$29.71+$14.2M+$14.0M+2.3%$1.61T
MORGAN STANLEY$62.0M$29.00+$20.3M+$5.8M-0.3%$1.65T
GOLDMAN SACHS GROUP INC$55.2M$27.97−$3.8M+$28.0M-0.2%$760.93B
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)$51.0M$21.52−$20.8M−$57.9M-0.9%$7.18B
GSK plc$44.4M$34.57+$0+$44.4M-22.9%$599M
DIMENSIONAL FUND ADVISORS LPPassive$44.4M$26.12+$13.1M+$41.7M-0.4%$480.92B
PRICE T ROWE ASSOCIATES INC /MD/$43.8M$31.07−$4.4M−$72.0M-0.2%$864.93B
Sofinnova Investments, Inc.$37.7M$23.80+$8.2M−$49.7M+2.7%$1.94B
Candriam Luxembourg S.C.A.$36.9M$28.64+$2.5M+$5.6M+0.0%$19.11B
BNP Paribas Asset Management Holding S.A.$36.7M$31.38+$13.4M+$36.7M-1.1%$85.48B
Cost basis is a volume-weighted estimate from accumulation periods within our 13F history; holders who built their position before our window started will show a stale basis. % above the cost basis is the unrealized gain at the current price.

Trading behavior

Smart-money alpha (lifetime, %/qtr)BULLISH
Holders
-0.35%
avg per quarter
Holders (ex-self)
-0.38%
excl. this stock
Buyers (this Q)
+1.51%
93 buyers · $0.13B in
Sellers (this Q)
-0.28%
84 sellers · $0.23B out
alpha coverage: 100% of $ has a lifetime-alpha record
Holder behavior on this stocksource: stock
On big dips (−10%+)
-26.5%
how holders react when this stock falls
On quiet Qs
+20.6%
−10% to +10% baseline
On rallies (+10%+)
+2.5%
how they react when this stock rises
Holders' portfolio flow this Q
+2.7%
inflows — adds are organic
Sellers' portfolio flow this Q
+1.1%
Sellers grew AUM elsewhere — opinionated cut of this stock.
▸ Compare to holder-profile behavior (across all their stocks)
Holder dip (any stock)
-5.1%
Holder mid (any stock)
-3.0%
Holder rally (any stock)
-2.8%

Top Holders Over Time

5-year share-count history (top 10 holders by peak, incl. exited) + price

010.8M21.5M32.3M43.0M$11$19$28$36$442021-062022-062023-062024-062025-062026-03
hover the chart for per-quarter detailprice (right axis)
FMR LLC13.2MJANUS HENDERSON GROUP PLC7.3MFEDERATED HERMES, INC.3.0MCapital Research Global Investors5.2MPRICE T ROWE ASSOCIATES INC /MD/1.3MBVF INC/ILBAKER BROS. ADVISORS LP3.9MDEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)1.5MLogos Global Management LP3.5MADAGE CAPITAL PARTNERS GP, L.L.C.2.8M

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Analyst Coverage

Analyst Coverage
Price Targets
Last Quarter (3 analysts)$58.679910.0%
Last Year (14 analysts)$47.716190.0%
Current Price$29.47

Corporate

Executive Compensation (2023-2025)

Direct Pay$14.5M
Incentive & Other$121.9M
Total Compensation$136.3M
% of Revenue55.0%

Insider Trading (last 12mo)

Open-market only (Form 4 P-Purchase + S-Sale). Excludes grants, option exercises, tax withholding, gifts.
Officers & directors
Buys ($, 12mo)
$1.65M
1 txn · 1 insider · 50,000 sh
Sells ($, 12mo)
$0
0 txns · 0 insiders · 0 sh
Recent transactions
DateSideInsiderTitleSharesPriceDollarsOwned $
2026-03-02BUYStein Jeffreydirector50,000$32.96$1.65M$1.79M

Order Flow (FINRA, ~3w lag)

20.3%retail+0.3pp
30.8%dark+1.0pp
week of 2026-04-13
10%20%30%40%24-1125-0225-0525-0825-1126-0226-04retail (non-ATS)dark (ATS)
Off-exchange volume from FINRA. Retail = non-ATS (wholesaler PFOF + broker internalization). Dark = ATS (dark-pool crossing networks, institutional). Lit-exchange = remainder.

Revenue Breakdown

Revenue Segments

By Product (2026-Q1)
Research and Development Services$155.3MNEW

Filing Risk Analysis

Filing Risk Scores

IDEAYA Biosciences: Robust Cash Reserves Masking Billion-Dollar Success Taxes and Lost Partner Synergy

Overall Risk
6/10
Fraud
2/10
Dilution
7/10
Insolvency
3/10
Earnings Overstated
3/10
Hidden Liabilities
8/10
Legal
3/10
Audit Warnings
2/10
Hidden Upside
6/10
Contextually Acceptable
7/10

Counter-Thesis

Counter-Thesis & Recent News

📰 Recent News

In February 2026, IDEAYA reported a significant Q4 2025 net loss of $83.3 million, with revenue plunging to $10.9 million from a milestone-inflated $207.8 million in the previous quarter. Analysts subsequently slashed 2026 revenue estimates by 21%, forecasting a staggering 82% decline in sales as the company enters a 'catalyst desert' for its lead programs (Sources: Simply Wall St, Futu News).

🐻 Bear Case

The bear thesis centers on the clinical translation risk of darovasertib; while it shows tumor shrinkage, Key Opinion Leaders (KOLs) expressed skepticism that this will translate into a meaningful reduction in vision loss for the larger pool of brachyradiotherapy patients. Additionally, Leerink Partners downgraded the stock to $27, citing a lack of near-term catalysts and high uncertainty surrounding the IDE397 program (Source: Seeking Alpha, Leerink Partners).

🚩 Red Flags

Short interest has surged by over 7% recently, reaching 11.67% of the public float (approx. 10 million shares), signaling growing institutional bets against the stock. The company's extreme earnings volatility—flipping from a profit in Q3 to a heavy loss in Q4—highlights a heavy reliance on lumpy collaboration payments rather than sustainable commercial revenue (Source: MarketBeat, Simply Wall St).

⚔️ Competitive Threats

IDEAYA faces intensifying competition in the MTAP-deletion space. While it ended its partnership with Amgen to pursue its own PRMT5 inhibitor (IDE892), it now competes directly with Amgen's MTA-cooperative PRMT5 inhibitors. Furthermore, regulatory instability at the FDA, including high-level resignations and staff cuts in oncology review divisions, poses a systemic risk to the approval timeline for darovasertib (Source: Seeking Alpha, Investing.com).

💬 Customer Sentiment

KOL and physician sentiment is cautious; feedback indicates that 'eye preservation' metrics in clinical trials may not meet the functional requirements of patients if they do not also prevent significant vision loss, which remains an unproven endpoint for the broader patient population (Source: Leerink Partners/MEDACorp).