Applied Optoelectronics, Inc.· AAOI

🇺🇸 US · MidBroad USNASDAQ

Technology Communication Equipment Website

Price: $105.17
Day: +7.25%
Mkt Cap: $8.44B
52W Range: $18.50 – $233.67
Volume: 9.85M
Beta: 3.78

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 3.4 / 5 (Neutral), from 3 of 3 components
Institutions Q2 2026: 545 institutions hold; 317 added, 148 reduced
Insiders Q3 2026: no purchases, 7 sales ($6.7M)

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Applied Optoelectronics, Inc.

AAOI|Technology|Communication Equipment

Current price: $105

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

0.4x

quarter in progress, filings still arriving

Seller breadth · Q3 2026

3 sellers

vs 4.5 avg per quarter

Institutional net breadth · Q2 2026

+276

495 adding vs 219 reducing

Institutional ownership · Q2 2026

63.5%

545 institutions

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

6.5M

-16.5%

INVESCO LTD.

3.4M

+57.9%

VANGUARD CAPITAL MANAGEMENT LLC

3.4M

+2.3%

VANGUARD PORTFOLIO MANAGEMENT LLC

2.7M

+37.1%

MAREX GROUP PLC

2.5M

+100.0%

UBS GROUP AG

2.1M

+102.6%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

84 buying63 unchanged66 selling

213 funds held AAOI in Q2 2026, holding 23.5M shares between them, down 8.5% on the quarter.

Largest fund holders

SPDR SERIES TRUST143.3K sh

NATIONWIDE MUTUAL FUNDS6.8K sh

Series Portfolios Trust3.0K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · May 26

DeLaney Cynthia

$10.7M

Sale · May 19

Lin Chih-Hsiang (Thompson)

$10.0M

Sale · Jun 12

Lin Chih-Hsiang (Thompson)

$9.8M

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

Explore AAOI on stockoscope.com→

Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

AAOI Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.4/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+30

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 3.4/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for AAOI

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Neutral

Routine insider selling in Q3 2026

7 sales totaling $6.7M (56.2K shares)

Share volume is below the historical pace (0.4x average)

3 different insiders sold this quarter

Buying seen in 6 of 15 quarters

Net insider flow has improved over recent quarters

0.4x

Selling pace

quarter in progress, filings still arriving

0.75%

Stake sold

of active insiders' holdings

3 sellers

Seller breadth

vs 4.5 avg per quarter

Q3 2025

Last insider purchase

buying in 6 of 16 quarters

Notable Recent Transactions, AAOI

Top 8 highest-value insider trades from the last 8 quarters

DeLaney Cynthia

Director

Sell

56,575 shares at $189.23

≈48.7% of their stake at the time

May 26, 2026$10.71M

Lin Chih-Hsiang (Thompson)

CEO

Sell

58,000 shares at $173.26

≈2.5% of their stake at the time

May 19, 2026$10.05M

Lin Chih-Hsiang (Thompson)

CEO

Sell

59,000 shares at $166.53

≈4.3% of their stake at the time

Jun 12, 2026$9.83M

Loboa Elizabeth G

Director

Sell

102,347 shares at $95.76

≈83.3% of their stake at the time

Mar 3, 2026$9.80M

Chang Hung-Lun (Fred)

*** See Remarks

Sell

40,329 shares at $170.60

≈12.4% of their stake at the time

Jun 17, 2026$6.88M

Yeh Shu-Hua (Joshua)

*** See Remarks

Sell

39,154 shares at $173.26

≈7.8% of their stake at the time

May 19, 2026$6.78M

Chang Hung-Lun (Fred)

*** See Remarks

Sell

33,630 shares at $173.26

≈7.9% of their stake at the time

May 19, 2026$5.83M

Murry Stefan J.

CFO

Sell

33,000 shares at $173.26

≈6.8% of their stake at the time

May 19, 2026$5.72M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for AAOI

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

63.5% institutional ownership

Strong accumulation: 495 institutions adding vs 219 reducing positions

13F shares decreased by 2.4%, a notable change

Momentum weakening from prior quarter

+276

Net breadth

495 adding vs 219 reducing

Strong accumulation

2.26

Add / reduce ratio

in Q2 2026

+107

New − closed

178 initiated, 71 exited

7 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+495 growing-219 shrinkingNet: +276

178

317

148

New (178)

Increased (317)

Reduced (148)

Closed (71)

Top Institutional Holders, AAOI

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

6.5M

$955.7M

Ownership

7.91%

-16.5%

INVESCO LTD.

3.4M

$505.9M

Ownership

4.19%

+57.9%

VANGUARD CAPITAL MANAGEMENT LLC

3.4M

$498.3M

Ownership

4.12%

+2.3%

VANGUARD PORTFOLIO MANAGEMENT LLC

2.7M

$392.9M

Ownership

3.25%

+37.1%

MAREX GROUP PLC

2.5M

$370.4M

Ownership

3.06%

+100.0%

UBS GROUP AG

2.1M

$312.8M

Ownership

2.59%

+102.6%

OBERWEIS ASSET MANAGEMENT INC/

1.8M

$265.4M

Ownership

2.20%

-29.0%

GEODE CAPITAL MANAGEMENT, LLC

1.7M

$247.6M

Ownership

2.05%

-4.0%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 213 ETFs and mutual funds reporting

84 buying66 sellingNet: +18

Buying (84)

Unchanged (63)

Selling (66)

In total, funds bought 4.3M shares and sold 6.3M this quarter. Each fund counts once in the bar above, whatever the size of its move.

Bullish Signal

Funds accumulating in Q2 2026

213 ETFs and mutual funds reporting

84 buying vs 66 selling (balanced)

Top Fund Holders, AAOI

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

143.3K

Weight

0.71%

Jul 31, 2026No change

NATIONWIDE MUTUAL FUNDS

6.8K

Weight

0.00%

Jul 31, 2026No change

Series Portfolios Trust

3.0K

Weight

1.91%

Jul 31, 2026No change

FORUM FUNDS II

1.9K

Weight

1.55%

Jun 30, 2026No change

SPDR INDEX SHARES FUNDS

1.9K

Weight

0.00%

Jun 30, 2026Decreased

WILSHIRE MUTUAL FUNDS INC

1.8K

Weight

0.00%

Jun 30, 2026Increased

GAMCO GLOBAL SERIES FUNDS, INC

1.8K

Weight

0.26%

Jun 30, 2026No change

PENN SERIES FUNDS INC

1.8K

Weight

0.01%

Jun 30, 2026No change

Applied Optoelectronics, Inc.· AAOI

Holdings Analysis

Insider Trading Activity

1.3Transaction History170Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings144Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History170Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings144Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights