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.

Q4 2025 vs. Q3 2025

How the institutions holding Adaptive Biotechnologies Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of ADPT: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	271	2	284	+15
Shares	145.4M	306.0K	150.3M	+5.17M (+3.6%)
Value	$2.18B	$4.58M	$2.44B	+$270.3M (+12.5%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (53)

Institutions that held Adaptive Biotechnologies Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ADPT in Q4 2025
Institution	Shares	Value	% of portfolio
Westfield Capital Management Co LP	4,060,481	$65.9M	0.27%
Nomura Asset Management International Inc.	1,940,376	$31.5M	0.05%
PBU - The Pension Fund of Early Childhood & Youth Educators	1,650,303	$26.8M	0.39%
StemPoint Capital LP	606,825	$9.85M	1.69%
Balyasny Asset Management LLC	426,462	$6.93M	0.01%
Parkman Healthcare Partners LLC	401,730	$6.52M	0.62%
Divisadero Street Capital Management, LP	361,344	$5.87M	0.33%
Neo Ivy Capital Management	153,826	$2.50M	0.39%
Two Sigma Advisers, LP	128,100	$2.08M	0.00%
HRT Financial LP	124,230	$2.02M	0.01%
Marshall Wace, LLP	112,295	$1.82M	0.00%
Cookson Peirce & Co Inc	105,689	$1.72M	0.07%
1492 Capital Management LLC	91,375	$1.48M	0.57%
Headlands Technologies LLC	55,191	$896.3K	0.07%
Winton Group Ltd	49,700	$807.1K	0.03%
Graham Capital Management, L.P.	46,525	$755.6K	0.03%
Thrivent Financial for Lutherans	37,934	$618.0K	0.00%
Integrated Quantitative Investments LLC	33,005	$536.0K	0.12%
Harbor Capital Advisors, Inc.	28,983	$471.0K	0.04%
Gilder Gagnon Howe & Co LLC	24,998	$406.0K	0.00%
Y-Intercept (Hong Kong) Ltd	23,777	$386.1K	0.01%
M&T Bank Corp	21,576	$349.9K	0.00%
Capstone Investment Advisors, LLC	20,599	$334.5K	0.00%
Odyssean, LLC	19,560	$317.7K	0.23%
Alamea Verwaltungs GmbH	17,030	$315.1K	0.21%
EntryPoint Capital, LLC	18,657	$303.0K	0.12%
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna	16,800	$272.8K	0.10%
Vinva Investment Management Ltd	8,329	$204.1K	0.00%
Robeco Institutional Asset Management B.V.	11,652	$189.2K	0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	11,534	$187.3K	0.01%
Farallon Capital Management, L.L.C.	11,000	$178.6K	0.00%
Bayforest Capital Ltd	8,725	$141.7K	0.11%
Kemnay Advisory Services Inc.	7,870	$127.8K	0.02%
Persistent Asset Partners Ltd	6,689	$108.6K	0.05%
RiverPark Advisors, LLC	3,826	$62.1K	0.02%
Strive Financial Group ,LLC	3,180	$51.6K	0.03%
T. Rowe Price Investment Management, Inc.	3,128	$51.0K	0.00%
Caitong International Asset Management Co., Ltd	1,699	$27.6K	0.01%
Eastern Bank	791	$12.8K	0.00%
Ares Financial Consulting, LLC	715	$11.6K	0.01%
Los Angeles Capital Management LLC	474	$8.02K	0.00%
Quarry LP	390	$6.33K	0.00%
Torren Management, LLC	366	$5.94K	0.00%
WPG Advisers, LLC	158	$2.57K	0.00%
Optima Capital LLC	65	$1.06K	0.00%
Breakwater Investment Management	27	$439	0.00%
Kingdom Financial Group LLC.	23	$374	0.00%
Atlantic Private Wealth, LLC	15	$244	0.00%
MAI Capital Management	8	$130	0.00%
Rachor Investment Advisory Services, LLC	7	$114	0.00%
Northwestern Mutual Wealth Management Co	4	$65	0.00%
Byrne Asset Management LLC	3	$49	0.00%
Dunhill Financial, LLC	2	$24	0.00%

Sold out (38)

Institutions that held Adaptive Biotechnologies Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ADPT in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Macquarie Group Ltd	2,104,414	$31.5M
Iron Triangle Partners LP	1,820,915	$27.2M
Summit Partners Public Asset Management, LLC	998,252	$14.9M
Zimmer Partners, LP	330,834	$4.95M
Cinctive Capital Management LP	310,313	$4.64M
Renaissance Technologies LLC	279,700	$4.18M
Beaconlight Capital, LLC	171,599	$2.57M
Hedeker Wealth, LLC	121,667	$1.82M
PDT Partners, LLC	121,517	$1.82M
Jane Street Group, LLC	109,312	$1.64M
Verition Fund Management LLC	85,334	$1.28M
Edgestream Partners, L.P.	70,438	$1.05M
Boothbay Fund Management, LLC	64,369	$963.0K
Deerfield Management Company, L.P. (Series C)	60,328	$902.5K
Natixis	47,600	$712.1K
Assenagon Asset Management S.A.	44,488	$665.5K
Fox Run Management, L.L.C.	39,983	$598.1K
Counterpoint Mutual Funds LLC	37,214	$556.7K
Toroso Investments, LLC	36,982	$553.3K
Atom Investors LP	25,991	$388.8K
Brighton Jones LLC	23,301	$348.6K
Semanteon Capital Management, LP	19,060	$285.1K
Mesirow Financial Investment Management, Inc.	18,715	$280.0K
Axq Capital, LP	18,505	$276.8K
Bayesian Capital Management, LP	17,658	$264.2K
HighTower Advisors, LLC	13,648	$204.2K
Stifel Financial Corp	12,267	$183.5K
HSBC Holdings PLC	10,797	$159.7K
Granite Investment Partners, LLC	10,070	$150.6K
Jones Financial Companies LLLP	1,600	$21.2K
Private Trust Co NA	880	$13.2K
Federated Hermes, Inc.	632	$9.46K
Brown, Lisle/Cummings, Inc.	200	$2.99K
Groupe la Francaise	100	$1.15K
Advisory Services Network, LLC	65	$972
GWM Advisors LLC	45	$673
Prestige Wealth Management Group LLC	25	$374
Wealthspire Advisors, LLC	7	$105

Not filed for Q4 2025 yet (2)

Institutions that held Adaptive Biotechnologies Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ADPT in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cubist Systematic Strategies, LLC	290,088	$4.34M
CIBC Bancorp USA Inc.	15,931	$238.3K