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Zymeworks

Market cap $2.10B 71.0M shares (10-Q, Aug 4, 2026) × $29.63 close Nov 6, 2026

Most recent annual filing: 2026-03-02

Catalyst timeline

6 trackedQuarter catalyst calendar →
  1. Zanidatamab NMPA China decision2026Zanidatamab NMPA China decision, 2026, major
  2. ZW191 interim2026ZW191 interim, 2026, notable
  3. ZW1528 IND filing2026ZW1528 IND filing, 2026, notable
  4. YUPELRI/TRELEGY ELLIPTA milestone corporate update1Q 2027YUPELRI/TRELEGY ELLIPTA milestone corporate update, 1Q 2027, routine
  5. TRELEGY ELLIPTA corporate update1Q 2027TRELEGY ELLIPTA corporate update, 1Q 2027, routine
  6. Pasritamig J&J Ph3 startDec 2027Pasritamig J&J Ph3 start, Dec 2027, routine

Bar width shows how precise the guidance is — a pin is a stated date, a wide band a six-month window. Deeper blue means more of the thesis rides on the event; it is not a view on the stock.

Pipeline (11 active programs)

Technology platforms

Azymetric

Proprietary bispecific antibody engineering platform enabling a single antibody to simultaneously bind two distinct epitopes on the same target protein; used to discover and develop multifunctional antibodies for cancer and other difficult-to-treat diseases

Targets: HER2

EFECT

Antibody effector function modulation platform consisting of Fc region modifications enabling selective enhancement or suppression of immune effector function; used in oncology, inflammation, and autoimmune therapeutics

ProTECT

Conditionally active antibody technology that masks an antibody arm outside the tumor to improve selectivity and minimize off-target toxicities; activated by tumor-specific proteases; focus: oncology tumor microenvironment

Pan-RAS ADC

Proprietary Pan-RAS antibody-drug conjugate (ADC) platform; company evaluating formation of a separate dedicated entity with third-party capital to advance multiple product candidates into clinical studies.

Targets: RAS

TriTCE Co-Stim

Trispecific T cell engager co-stimulation platform used to configure T cell engagers targeting tumor antigens with simultaneous CD3 and CD28 engagement; focus on solid tumors and DLL3-expressing cancers

Targets: DLL3, CD3, CD28

Capital (as filed)

Cash
$179M cash and cash equivalents · Jun 30, 2026 (10-Q)
Operating cash flow
−$31.9M quarter Mar 31, 2026 → Jun 30, 2026, year-to-date difference (10-Q)
As stated in coverage
$573M cash per the update of Aug 25, 2026 — the company's own words as read there, not the filed figure

Cash, investments and operating cash flow are the company's own XBRL facts as filed with the SEC, each shown with its period end and tag. As-stated figures come from the company's own words as read in Biotech Distilled coverage, dated, and routinely count securities and planned financing that a balance sheet does not. Offering rows are the SEC cover pages as filed. Not investment advice. Figures as of Nov 7, 2026.

Biotech Distilled coverage (6)

Articles open on Substack. Some are subscriber-only; those marked ★ Distilled Pro are for Distilled Pro members.

Verdict history (6 calls)

Every verdict Biotech Distilled has published on Zymeworks, oldest first — the full history, never a selection. How calls are scored: the track record.

  1. Watch Zymeworks Inc. (ZYME) — Scientific Deep Dive for Zanidatamab (Ziihera®), ZW191, and the Royalty-Aggregation Pipeline Zanidatamab franchise and Aug 25 PDUFA are close to money-good, but the royalty-aggregation pivot is unproven and the balance sheet is aggressively leveraged, warranting a watch until the milestone lands.
  2. Speculative buy speculative UPDATE: Zymeworks (ZYME) - The Runway Guidance Just Disappeared Stock is 13.2% lower than a month ago, below management's own buyback price, going into a well-telegraphed approval that unlocks $250M, but operating burn, withdrawn runway guidance, and one-fund governance keep conviction speculative.
  3. Buy core UPDATE: Zymeworks (ZYME) - The Flywheel Caught FDA approved zanidatamab with a broader-than-expected label (IHC 2+/ISH+, no PD-L1 gate), the $250M Jazz milestone is earned, the twelve-month liquidity question is resolved, and the franchise is larger than modeled.
  4. Buy core UPDATE: Zymeworks (ZYME) - Theravance Is In the Building Theravance close removes the last named execution risk; financing keeps the parent company out of lenders' reach and is sized to be paid off before generics arrive, confirming the aggregator model.
  5. Buy core UPDATE: Zymeworks (ZYME) - Roche Buys the Trispecific Roche's $55M upfront plus $40M Phase 1b milestone for ZW209 validates the out-licensing model and provides near-term non-dilutive cash, though the core thesis still rests on the Ziihera royalty ramp.
  6. Buy core UPDATE: Zymeworks (ZYME) - ZW191 Survives Contact Randomized ZW191 data (n=80) confirmed a 64.5% response rate at the lower dose with half the severe toxicity, strengthening the partnering package, though value only materializes through a deal not yet signed.

Every verdict Biotech Distilled has published on this company, in order, with the post it came from — the full history, never a selection. Position figures are the same ones shown on /track-record, computed by the same method. Editorial opinion, not investment advice.

Timing, in the company's words (4 quotes from 3 filings)

Sentences quoted verbatim from the company's SEC filings, newest filing first. Each sits under the filing it appeared in; the "matched to" tag names the calendar row it was read for.

Timing sentences quoted from the company's own SEC filings, each under the filing it appeared in. The 'matched to' tag is the calendar row the sentence was read for; the filing is the source. Not investment advice.

Filings & releases (25)

SEC filings from EDGAR and press releases captured from the company's investor-relations site, newest first. Releases captured from Aug 6, 2026; filings from March 2026. Summaries come from the BD update that read the document; "BD extracted" counts point at the pipeline table above. All companies →

5 more filings (13G holder notices, S-8, proxy material, SEC correspondence …)