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LITE · Lumentum Holdings Inc.
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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475
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LITE

Lumentum Holdings Inc.
SEMICONDUCTORS & ELECTRONICS · COMMUNICATIONS EQUIPMENT, NEC · CIK 0001633978
CONGRESS · 2FORM 144 · 18☆ WATCH
INSIDER NET · 180D
-$95.2M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
2
FUNDS ADDED · QTR
903
13F, latest reported quarter
REVENUE GROWTH
+83.2%
XBRL, annual
NET MARGIN
-230.1%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$95.2M over 180 days
-$56.3M over 90 days
below 87% of Semiconductors & Electronics
CONGRESS
2 members bought in the last year
more than 51% of Semiconductors & Electronics
FUNDS
903 funds added or opened last quarter
more than 95% of Semiconductors & Electronics
REVENUE
+83.2% year over year
more than 89% of Semiconductors & Electronics
MARGIN
-230.1% net margin
below 91% of Semiconductors & Electronics
BUYBACKS
no share repurchases reported
SHORT
9.5% of shares outstanding short · 1.9 days to cover · settled 2026-07-31
more than 76% of Semiconductors & Electronics
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$95.2M across 9 people in 180 days.
903 funds added or opened positions in the latest 13F quarter, of 1,323 holders.
2 members of Congress reported buying it this year.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +556.8%
+556.8%12M
+0%+231%+463%+694%2025-092025-102025-122026-032026-052026-072026-09 2026-02-12 · Retort Vincent sold $4.5M2026-05-21 · Small Ian sold $4.3M2026-08-25 · Retort Vincent sold $4.0M2026-08-25 · Retort Vincent sold $3.8M2026-05-29 · Harris Isaac Hosojiro sold $3.4M2026-08-25 · Retort Vincent sold $3.2M2026-05-18 · Wupen Yuen sold $3.1M2026-05-18 · Retort Vincent sold $3.0M2026-08-25 · Retort Vincent sold $3.0M2026-08-25 · Retort Vincent sold $3.0M2026-08-18 · Retort Vincent sold $2.9M2025-11-10 · Johnson Julia Suzanne sold $2.7M2026-02-06 · HERSCHER PENNY sold $2.6M2026-08-25 · Retort Vincent sold $2.6M2026-05-18 · Ali Wajid sold $2.4M2026-02-12 · Retort Vincent sold $2.2M2026-02-12 · Retort Vincent sold $2.1M2026-02-12 · Retort Vincent sold $2.1M2026-08-25 · Retort Vincent sold $2.1M2026-08-20 · Retort Vincent sold $2.1M2026-08-25 · Retort Vincent sold $2.0M2026-05-11 · Lillie Brian sold $2.0M2026-05-08 · Small Ian sold $1.9M2026-05-11 · Lillie Brian sold $1.8M2026-05-11 · Kim Jae sold $1.8M2026-08-25 · Retort Vincent sold $1.8M2026-02-12 · Retort Vincent sold $1.8M2026-08-25 · Retort Vincent sold $1.8M2025-11-07 · Harris Isaac Hosojiro sold $1.8M2026-02-12 · Retort Vincent sold $1.8M2026-02-12 · Retort Vincent sold $1.7M2026-08-25 · Kim Jae sold $1.7M2026-02-17 · Wupen Yuen sold $1.7M2026-05-14 · Fletcher Pamela sold $1.6M2026-08-20 · Kim Jae sold $1.6M2026-05-11 · Lillie Brian sold $1.5M2026-05-15 · Fletcher Pamela sold $1.5M2026-08-25 · Kim Jae sold $1.4M2026-06-02 · Harris Isaac Hosojiro sold $1.4M2026-05-11 · Lillie Brian sold $1.4M2026-02-12 · Retort Vincent sold $1.4M2026-05-18 · Kim Jae sold $1.4M2026-09-03 · WUPEN YUEN filed to sell $435.0K2026-09-02 · WUPEN YUEN filed to sell $432.2K2026-09-01 · WUPEN YUEN filed to sell $450.5K2026-08-31 · WUPEN YUEN filed to sell $447.5K2026-08-28 · WUPEN YUEN filed to sell $470.5K2026-08-27 · MICHAEL EDWARD HURLSTON filed to sell $525.3K2026-08-27 · WUPEN YUEN filed to sell $479.3K2026-08-26 · WUPEN YUEN filed to sell $441.1K2026-08-25 · JAE KIM filed to sell $10.2M2026-08-25 · WUPEN YUEN filed to sell $428.3K2026-08-25 · VINCENT D RETORT filed to sell $33.0M2026-08-24 · WUPEN YUEN filed to sell $412.1K2026-08-21 · WUPEN YUEN filed to sell $449.1K2026-08-20 · JAE KIM filed to sell $1.6M2026-08-20 · WUPEN YUEN filed to sell $1.2M2026-08-20 · VINCENT D RETORT filed to sell $2.1M2026-08-18 · JAE KIM filed to sell $1.2M2026-08-18 · VINCENT D RETORT filed to sell $2.9M
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $95.2M sold by insiders over 180 days, 903 funds added last quarter, 2 Congress member(s) bought in 12 months, $57.2M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Lumentum Holdings Inc. insiders sold a net $95.2M of stock across 241 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-04.

INSIDER
FILED
SHARES
VALUE
Wupen Yuen
PRESIDENT, GLOBAL BUS. UNITS
SELL
2026-09-04
500.0
$430.0K
Wupen Yuen
PRESIDENT, GLOBAL BUS. UNITS
SELL
2026-09-03
500.0
$435.0K
Wupen Yuen
PRESIDENT, GLOBAL BUS. UNITS
SELL
2026-09-02
500.0
$432.2K
Wupen Yuen
PRESIDENT, GLOBAL BUS. UNITS
SELL
2026-09-01
500.0
$450.5K
Wupen Yuen
PRESIDENT, GLOBAL BUS. UNITS
SELL
2026-08-31
500.0
$447.5K
241 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 236 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
9,179,958.0 sh
$7.9B
VANGUARD CAPITAL MANAGEMENT LLC
5,078,410.0 sh
$4.4B
VANGUARD PORTFOLIO MANAGEMENT LLC
4,092,283.0 sh
$3.5B
JPMORGAN CHASE & CO
4,059,807.0 sh
$3.5B
FMR LLC
3,519,154.0 sh
$3.0B
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
WUPEN YUEN
FILED 2026-09-03
$435.0K
WUPEN YUEN
FILED 2026-09-02
$432.2K
WUPEN YUEN
FILED 2026-09-01
$450.5K
WUPEN YUEN
FILED 2026-08-31
$447.5K
WUPEN YUEN
FILED 2026-08-28
$470.5K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Paradigm Select Fund
$17.3M POSITION · AS OF 2026-03-31
12.4%
Berkshire Focus Fund
$22.5M POSITION · AS OF 2026-03-31
8.1%
Oberweis Small-Cap Opportunities Fund
$160.7M POSITION · AS OF 2026-03-31
8.0%
Smart Earnings Growth 30 ETF
$1.7M POSITION · AS OF 2026-03-31
7.7%
TCW Artificial Intelligence ETF
$7.6M POSITION · AS OF 2026-04-30
7.0%
FULLERTHALER BEHAVIORAL SMALL-CAP GROWTH
$266.8M POSITION · AS OF 2026-03-31
6.3%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2026-062025-062024-062023-07
REVENUE$3.0B$1.6B$1.4B$1.8B
GROSS PROFIT$1.3B$459.9M$251.5M$569.0M
OPERATING INCOME$524.8M$-180.1M$-434.0M$-115.7M
NET INCOME$-6.9B$25.9M$-546.5M$-131.6M
EPS (DILUTED)-92.960.37-8.12-1.93
OPERATING CASH FLOW$751.4M$126.3M$24.7M$179.8M
CASH$2.0B$520.7M$436.7M$859.0M
LONG-TERM DEBT$40.5M$2.6B$2.5B
BUYBACKS$0$0$175.6M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-04 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

SEC FORM 4FORM 13F 13D/GFORM 144XBRL STOCK ACTCONTRACTSFEC CFPBNRC
© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-04 ALL SYSTEMS LIVE FOR MACHINES →