Adaptive Biotechnologies Corporation· ADPT

🇺🇸 US · MidBroad USNASDAQ

HealthcareBiotechnologyWebsite

Price: $24.55
Day: +6.23%
Mkt Cap: $3.93B
52W Range: $10.66 – $24.62
Volume: 2.92M
Beta: 2.09

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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stockoscope.com

Adaptive Biotechnologies Corporation

ADPT|Healthcare|Biotechnology

Current price: $25

Smart Money

Dimension 5 of 5

Insider Activity, Q3 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$24.0M

Net share flow-1.1M

Purchases0 ($0)

Sales11 ($24.0M)

Top Notable Transactions

Insider

Type

Value

Date

ROBINS HARLAN S

Sale

$6.1M

Jul 21

BENZENO SHARON

Sale

$5.2M

Nov 21

ROBINS HARLAN S

Sale

$5.2M

Jul 2

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership99.2%

13F share flow-15.8%

Investors holding299

+211 adding-138 reducing

156

New 55Inc 156Red 95Closed 43

Top Institutional Holders

Institution

Value

Change

VIKING GLOBAL INVESTORS LP

$416.3M

0.0%

BLACKROCK, INC.

$184.6M

-0.2%

WESTFIELD CAPITAL MANAGEMENT CO LP

$75.5M

+32.7%

INVESCO LTD.

$61.8M

+43.2%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting127

Total shares held25.6M

Share flow-15.5%

32 buying28 selling

Buying 32Unchanged 68Selling 28

Top Fund Holders

Fund

Weight

Change

COLUMBIA FUNDS SERIES TRUST I

883.4K

0.02%

-21.9K

AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)

96.9K

0.04%

RBB FUND, INC.

96.4K

0.06%

-84.3K

MORGAN STANLEY PATHWAY FUNDS

75.0K

0.02%

-3.9K

See the complete picture

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

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Generated August 5, 2026

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

Smart Money Sentiment

ADPT 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

+40

Fund Flow

10% weight

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 August 4, 2026.

Insider Trading Activity

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

Insider Activity for ADPT

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q3 2026

11 sales totaling $24.0M (1.1M shares)

Share volume is at a routine pace (1.0x average)

Sell-only pattern: no insider purchases across 7 quarters

Notable Recent Transactions, ADPT

Top 8 highest-value recent insider trades

ROBINS HARLAN S

Officer

Sell

278,698 shares at $21.72

Jul 21, 2026$6.05M

BENZENO SHARON

Officer

Sell

308,477 shares at $16.91

Nov 21, 2025$5.22M

ROBINS HARLAN S

Officer

Sell

239,351 shares at $21.74

Jul 2, 2026$5.20M

BENZENO SHARON

Officer

Sell

297,925 shares at $16.54

Nov 20, 2025$4.93M

ROBINS HARLAN S

Officer

Sell

213,702 shares at $22.12

Jul 21, 2026$4.73M

ROBINS CHAD M

CEO

Sell

289,024 shares at $15.82

Mar 2, 2026$4.57M

ROBINS CHAD M

CEO

Sell

329,600 shares at $13.17

Mar 11, 2026$4.34M

ROBINS HARLAN S

Officer

Sell

329,600 shares at $13.17

Mar 11, 2026$4.34M

Institutional Ownership Analysis

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

Institutional Ownership Over Time for ADPT

Total dollar value invested by institutions each quarter

Bullish Signal

Institutions accumulating in Q1 2026

99.2% institutional ownership

Moderate accumulation: 211 adding vs 138 reducing

13F shares increased by 1.0%, a modest change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+40 growing-253 shrinkingNet: -213

228

New (11)

Increased (29)

Reduced (25)

Closed (228)

Top Institutional Holders, ADPT

Largest 8 institutional positions by ownership percentage as of Q2 2026

SUMITOMO MITSUI TRUST GROUP, INC.

1.3M

$28.5M

Ownership

0.86%

-79.2%

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

1.1M

$23.0M

Ownership

0.69%

-75.0%

ABRDN PLC

919.0K

$19.7M

Ownership

0.59%

-78.5%

JENNISON ASSOCIATES LLC

686.2K

$14.7M

Ownership

0.44%

-77.2%

WASATCH ADVISORS LP

576.3K

$12.4M

Ownership

0.37%

+100.0%

PEREGRINE CAPITAL MANAGEMENT LLC

393.1K

$8.4M

Ownership

0.25%

-79.8%

AFFINITY WEALTH MANAGEMENT LLC

342.6K

$7.3M

Ownership

0.22%

-73.5%

KNIGHTS OF COLUMBUS ASSET ADVISORS LLC

153.3K

$3.3M

Ownership

0.10%

-78.8%

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: 128 ETFs and mutual funds reporting

32 buying28 sellingNet: +4

Buying (32)

Unchanged (68)

Selling (28)

Neutral

Mixed fund activity in Q2 2026

128 ETFs and mutual funds reporting

32 buying vs 28 selling (balanced)

Top Fund Holders, ADPT

Largest 8 ETF and mutual fund positions by shares held as of latest filing

COLUMBIA FUNDS SERIES TRUST I

883.4K

Weight

0.02%

Decreased

AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)

96.9K

Weight

0.04%

No change

RBB FUND, INC.

96.4K

Weight

0.06%

Decreased

MORGAN STANLEY PATHWAY FUNDS

75.0K

Weight

0.02%

Decreased

VANGUARD WELLINGTON FUND

51.7K

Weight

0.01%

Decreased

SEI INSTITUTIONAL INVESTMENTS TRUST

43.4K

Weight

0.00%

Increased

T. Rowe Price Index Trust, Inc.

37.3K

Weight

0.14%

No change

Brinker Capital Destinations Trust

36.3K

Weight

0.06%

Decreased

Adaptive Biotechnologies Corporation· ADPT

Holdings Analysis

Insider Trading Activity

1.3Transaction History199Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings82Most 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 History199Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings82Most 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