Adaptive Biotechnologies Corp

ADPT

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001478320

SEC filings (opens in a new tab)

In the last 90 days, Adaptive Biotechnologies Corp insiders filed 0 open-market purchases and 13 sales; 301 institutions reported holding it in 13F filings for Q2 2026, worth $3.34B in total; superinvestors Viking Global Investors and ARK Invest hold it.

Q3 2025 vs. Q2 2025

How the institutions holding Adaptive Biotechnologies Corp changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of ADPT: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	242	1	271	+30
Shares	148.2M	18.4K	145.4M	−2.71M (−1.8%)
Value	$1.73B	$214.5K	$2.18B	+$449.4M (+26.0%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (55)

Institutions that held Adaptive Biotechnologies Corp at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ADPT in Q3 2025
Institution	Shares	Value	% of portfolio
Summit Partners Public Asset Management, LLC	998,252	$14.9M	0.49%
Next Century Growth Investors LLC	531,317	$7.95M	0.58%
Wellington Management Group LLP	501,084	$7.50M	0.00%
Rhenman & Partners Asset Management AB	495,000	$7.41M	0.82%
Affinity Wealth Management LLC	303,533	$4.54M	0.66%
Lisanti Capital Growth, LLC	299,180	$4.48M	1.09%
Castleark Management LLC	298,074	$4.46M	0.13%
Knights of Columbus Asset Advisors LLC	191,407	$2.86M	0.16%
Beaconlight Capital, LLC	171,599	$2.57M	1.27%
Bellevue Group AG	168,476	$2.52M	0.05%
Bridgewater Associates, LP	151,254	$2.26M	0.01%
Ensign Peak Advisors, Inc	149,977	$2.24M	0.00%
Jane Street Group, LLC	109,312	$1.64M	0.00%
Engineers Gate Manager LP	105,049	$1.57M	0.02%
Walleye Capital LLC	90,186	$1.35M	0.01%
Huntleigh Advisors, Inc.	82,038	$1.23M	0.21%
Caxton Associates LLP	77,199	$1.15M	0.03%
Edgestream Partners, L.P.	70,438	$1.05M	0.03%
Boothbay Fund Management, LLC	64,369	$963.0K	0.02%
Deerfield Management Company, L.P. (Series C)	60,328	$902.5K	0.01%
Connor, Clark & Lunn Investment Management Ltd.	55,944	$836.9K	0.00%
Virginia Retirement Systems Et Al	54,100	$809.3K	0.01%
Natixis	47,600	$712.1K	0.00%
Assenagon Asset Management S.A.	44,488	$665.5K	0.00%
Counterpoint Mutual Funds LLC	37,214	$556.7K	0.04%
Yarbrough Capital, LLC	28,563	$427.3K	0.01%
Atom Investors LP	25,991	$388.8K	0.03%
Schonfeld Strategic Advisors LLC	20,944	$313.3K	0.00%
Semanteon Capital Management, LP	19,060	$285.1K	0.36%
Prelude Capital Management, LLC	18,636	$278.8K	0.02%
Axq Capital, LP	18,505	$276.8K	0.11%
Bayesian Capital Management, LP	17,658	$264.2K	0.05%
Brevan Howard Capital Management LP	16,442	$246.0K	0.00%
CIBC Bancorp USA Inc.	15,931	$238.3K	0.00%
Sigma Planning Corp	13,015	$194.7K	0.01%
Cetera Investment Advisers	11,695	$175.0K	0.00%
HSBC Holdings PLC	10,797	$159.7K	0.00%
Keybank National Association	10,362	$155.0K	0.00%
CAPROCK Group, Inc.	10,907	$143.8K	0.00%
Quadrant Capital Group LLC	8,876	$132.8K	0.00%
Rockefeller Capital Management L.P.	5,027	$75.2K	0.00%
SRS Capital Advisors, Inc.	4,156	$62.2K	0.00%
Sound Income Strategies, LLC	1,902	$29.8K	0.00%
Jones Financial Companies LLLP	1,600	$21.2K	0.00%
Quent Capital, LLC	1,202	$18.0K	0.00%
MCF Advisors LLC	678	$10.1K	0.00%
Steward Partners Investment Advisory, LLC	469	$7.02K	0.00%
SJS Investment Consulting Inc.	170	$2.54K	0.00%
Groupe la Francaise	100	$1.15K	0.00%
Larson Financial Group LLC	70	$1.05K	0.00%
Advisory Services Network, LLC	65	$972	0.00%
Sunbelt Securities, Inc.	51	$763	0.00%
Financial Consulate, Inc	40	$599	0.00%
CVA Family Office, LLC	40	$598	0.00%
Wealthspire Advisors, LLC	7	$105	0.00%

Sold out (25)

Institutions that held Adaptive Biotechnologies Corp at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of ADPT in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Rubric Capital Management LP	6,256,847	$72.9M
EAM Global Investors LLC	409,363	$4.77M
Polar Asset Management Partners Inc.	326,000	$3.80M
Moore Capital Management, LP	250,000	$2.91M
University of Texas/Texas Am Investment Managment Co	211,518	$2.46M
Options Solutions, LLC	151,591	$1.77M
UBS Oconnor LLC	73,441	$855.6K
Jacobs Levy Equity Management, Inc	63,369	$738.2K
Quantbot Technologies LP	50,374	$586.9K
Cookson Peirce & Co Inc	45,000	$524.3K
Integrated Quantitative Investments LLC	36,430	$424.4K
Petrus Trust Company, LTA	36,271	$422.6K
Campbell & CO Investment Adviser LLC	33,609	$391.5K
Dynamic Technology Lab Private Ltd	25,468	$296.0K
Martingale Asset Management L P	25,145	$292.9K
Ieq Capital, LLC	14,874	$173.3K
Two Sigma Advisers, LP	11,400	$132.8K
State of Wisconsin Investment Board	10,626	$123.8K
Soleus Capital Management, L.P.	10,000	$116.5K
Manchester Capital Management LLC	9,850	$114.8K
Caitong International Asset Management Co., Ltd	1,106	$12.9K
Group One Trading, L.P.	887	$10.3K
Riggs Asset Managment Co. Inc.	100	$1.17K
Birch Capital Management, LLC	40	$466
Ronald Blue Trust, Inc.	21	$245

Not filed for Q3 2025 yet (1)

Institutions that held Adaptive Biotechnologies Corp at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ADPT in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
CIBC World Markets Corp	18,414	$214.5K