Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share (ADPT)

Q: What does CUSIP 00650F109 represent in this 13F holders report?

CUSIP 00650F109 is the security identifier for ADPT - Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held ADPT - Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share in Q4 2019?

129 institutional investors reported ADPT - Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share for Q4 2019. Use the holders table for investor-level position and value details.

CUSIP: 00650F109

Q4 2019 13F Holders as of 31 Dec 2019

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 86,210,177
Total 13F value: $2,579,382,908
Share change: +5,007,284
Put/Call ratio: 336%
SEC-reported price per share: $29.92
Number of holders: 129
Value change: +$148,626,753
Number of buys: 78
Number of sells: 50
Shares outstanding: 159,541,000

Security key

00650F109

Report period

Q4 2019

Institutions

129

Top holders

ADPT full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2020 Previous quarter: Q3 2019 Adaptive Biotechnologies Corp SEC filings Adaptive Biotechnologies Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 00650F109

Newer quarter: Q1 2020 Previous quarter: Q3 2019

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024

Ownership snapshot

Top reported holders of ADPT - Adaptive Biotechnologies Corp - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

VIKING GLOBAL INVESTORS LP

Disclosed value leader

VIKING GLOBAL INVESTORS LP

Comparable rows

15/15

Latest evidence

30 Sep 2019

13F Lead comparable stake: 24% Showing 1-6 of 15 holder rows.

Quick read

VIKING GLOBAL INVESTORS LP leads the comparable SEC ownership view at 24%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VIKING GLOBAL INVESTORS LP's linked filing trail.

Comparable ownership Top 5

VIKING GLOBAL INVESTORS LP 24%

Matrix Capital Management Company... 11%

Senator Investment Group LP 3.2%

BlackRock Finance, Inc. 1.2%

VANGUARD GROUP INC 0.94%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VIKING GLOBAL INVESTORS LP	13F Company 13F	24%	$1,186,764,000 38,406,607 shares	—	30 Sep 2019
Matrix Capital Management Company, LP	13F Company 13F	11%	$535,565,000 17,332,191 shares	—	30 Sep 2019
Senator Investment Group LP	13F Company 13F	3.2%	$146,145,000 5,113,085 shares	—	30 Sep 2019
BlackRock Finance, Inc.	13F Company 13F	1.2%	$58,646,000 1,897,927 shares	—	30 Sep 2019
VANGUARD GROUP INC	13F Company 13F	0.94%	$46,238,000 1,496,386 shares	—	30 Sep 2019
BAKER BROS. ADVISORS LP	13F Company 13F	0.73%	$36,011,000 1,165,411 shares	—	30 Sep 2019

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

129

86,210,177

Rows available

129

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2019 vs Q3 2019 Across Filers

Q3 2019 holders

116

Q4 2019 holders

129

Holder diff

Investor	Q3 2019 Shares	Q4 2019 Shares	Share Diff	Share Chg %	Q3 2019 value	Q4 2019 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend