Adaptive Biotechnologies Corp (ADPT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

163,162,107Shares Outstanding

147,985,296Shares held by institutions

$2,085,112,821Value of institutional holdings

90.70%Institutional ownership %

7.65%Shares Changed QoQ

272No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Adaptive Biotechnologies Corp (NASDAQ:ADPT) has 272 institutional investors with active 13F positions as of December 2025.

Their combined ownership stood at 87.9% of outstanding shares in December 2025, down from 90.5% in September 2025.
They increased total shares held in Adaptive Biotechnologies by 4.73% from last quarter, and the number of investors in ADPT increased 32.68% annually.
During the quarter, 144 of these 272 funds increased positions in ADPT, 91 reduced exposure, and 37 held steady.
Institutional investors collectively held 143.43Mn shares in Adaptive Biotechnologies as of December 2025, up by 6.47Mn shares quarter on quarter, and down 4.31Mn shares year over year.
Capricorn Fund Managers Ltd leads ownership in ADPT with 1.29Mn shares as of December 31, 2025, equal to 0.79% of outstanding shares.
The largest buyers of Adaptive Biotechnologies for the quarter ending December 2025 were Capricorn Fund Managers Ltd (1.29Mn), 1492 Capital Management LLC (189.72K), SG Americas Securities, LLC (37.82K), PEREGRINE CAPITAL MANAGEMENT LLC (34.14K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (19.24K).
Leading sellers of Adaptive Biotechnologies shares for the quarter ending December 2025 were PBU - The Pension Fund of Early Childhood & Youth Educators (2.54Mn), NBC SECURITIES, INC. (17.19K), KEYBANK NATIONAL ASSOCIATION/OH (7.71K), EXCHANGE TRADED CONCEPTS, LLC (1.66K), SIGNATUREFD, LLC (1.62K).
Per Business Quant data, the top 10 holders of Adaptive Biotechnologies for the quarter ending December 2025 are Capricorn Fund Managers Ltd (1.29Mn), PBU - The Pension Fund of Early Childhood & Youth Educators (756.14K), PEREGRINE CAPITAL MANAGEMENT LLC (486.64K), AFFINITY WEALTH MANAGEMENT LLC (323.15K), 1492 Capital Management LLC (281.1K), SG Americas Securities, LLC (137.76K), Edge Wealth Management LLC (90.0K), Huntleigh Advisors, Inc. (89.09K), EXCHANGE TRADED CONCEPTS, LLC (61.75K), STRS OHIO (55.9K).

272 Institutional Holders

147,985,296 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VIKING GLOBAL INVESTORS LP	31 Dec, 2025	29,993,708	0	0.00%	$487,097,818.00
BlackRock, Inc.	31 Dec, 2025	13,333,559	-24,418	-0.18%	$216,536,989.00
VANGUARD GROUP INC	31 Dec, 2025	11,282,152	6,983	0.06%	$183,222,148.00
Goldman Sachs Group Inc	31 Dec, 2025	5,804,538	3,924,686	208.78%	$94,265,696.00
WESTFIELD CAPITAL MANAGEMENT CO LP	31 Dec, 2025	4,060,481	4,060,481	0.00%	$65,942,211.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,511,855	110,825	3.26%	$57,040,977.00
PBU - The Pension Fund of Early Childhood & Youth Educators	31 Dec, 2025	3,300,606	3,300,606	0.00%	$53,601,842.00
State Street Corp	31 Dec, 2025	3,181,644	102,362	3.32%	$51,669,899.00
Invesco Ltd.	31 Dec, 2025	3,107,653	2,216,595	248.76%	$50,468,285.00
LORD, ABBETT & CO. LLC	31 Dec, 2025	3,080,759	1,854,355	151.20%	$50,032.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	2,760,387	-259,553	-8.59%	$44,828,685.00
JENNISON ASSOCIATES LLC	31 Dec, 2025	2,674,668	1,363,181	103.94%	$43,436,609.00
Ameriprise Financial Inc	31 Dec, 2025	2,590,984	-3,380,722	-56.61%	$42,077,600.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	2,422,089	-19,313	-0.79%	$39,334,725.00
FRED ALGER MANAGEMENT, LLC	31 Dec, 2025	2,245,418	-268,816	-10.69%	$36,465,588.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	2,165,327	1,664,243	332.13%	$35,164,911.00
ARK Investment Management LLC	31 Dec, 2025	2,138,960	-1,026,676	-32.43%	$34,736,718.00
Amova Asset Management Americas, Inc.	31 Dec, 2025	1,947,963	-1,702,683	-46.64%	$31,615,439.00
Sumitomo Mitsui Trust Group, Inc.	31 Dec, 2025	1,947,963	-1,702,683	-46.64%	$31,634,919.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	1,940,376	1,940,376	0.00%	$31,512,000.00

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