Stock price history — Coherent Corp.

As of: 2026-04-29 (last close: $305.06, +0.36%)

Data source: companies/cohr/data/STOCK_PRICE_DATA.json (current snapshot ✓) and companies/cohr/data/price_history.json (2,514 daily bars 2016-04-29 → 2026-04-29 ✓). Auto-refreshed on the standard data pipeline.

Confidence legend: ✓ verified-primary · ◐ partial / aggregator · ⚠ inferred / estimate

Snapshot (2026-04-29 close)

Metric	Value
Last close	$305.06 ✓
Day’s change	+0.36%
52-week high (intraday)	populated by data pipeline
52-week low (intraday)	populated by data pipeline

The detailed snapshot table (mcap, shares O/S, float, beta, P/E, insider %, institutional %) is auto-populated by bootstrap_stock_data.py once Yahoo’s quoteSummary rate-limit clears. As of the launch deploy on 2026-04-29 those fields are null pending the next refresh.

Structural events on the curve

Date	Event	Cross-link
Sep 24, 2019	Finisar acquisition closes ($3.2B); CIK 0000820318 (then II-VI) absorbs the optical-component leader	Finisar acquisition
Mar 25, 2021	II-VI wins the Coherent Inc. transaction race vs Lumentum at $7.01B	Coherent Inc. acquisition
Jul 1, 2022	Coherent Inc. acquisition closes	Coherent Inc. acquisition
Sep 8, 2022	II-VI renames to Coherent Corp.; ticker IIVI → COHR	Timeline
Jul 1, 2023	Public Series A 6.00% Mandatory Convertible Preferred matures and converts	Coherent Inc. integration
Jun 3, 2024	Jim Anderson succeeds Chuck Mattera as CEO (joined from Lattice)	Leadership
Mar 2, 2026	NVIDIA $2B common-stock private placement (7,788,161 shares × $256.80); paired with $2B Series A Pref in Lumentum	NVIDIA partnership

Data pipeline

Daily after NYSE close:

update_price_history.py --ticker COHR rewrites price_history.json (10y daily bars) and price_snapshot.json (current close).
bootstrap_stock_data.py --company cohr --ticker COHR rewrites STOCK_PRICE_DATA.json (snapshot + Yahoo quoteSummary static fields).
daily_diff.py --company cohr --ticker COHR updates the cross-page activity log.

When the daily refresh runs, this page will reflect the latest series. The chart embed (when added) will render from price_history.json.