Adaptive Biotechnologies Corp (ADPT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

163,162,107Shares Outstanding

146,334,993Shares held by institutions

$2,067,713,451Value of institutional holdings

89.69%Institutional ownership %

6.45%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 that have filed 13F reports for the period ending December 2025.

These investors collectively held 87.9% of Adaptive Biotechnologies's outstanding shares in December 2025, down from 90.5% in September 2025.
They increased total shares held in ADPT by 4.73% quarter over quarter, and investors in Adaptive Biotechnologies increased 32.68% from a year ago.
During the quarter, 144 of these 272 funds increased positions in ADPT, 91 reduced exposure, and 37 held steady.
Altogether, these fund groups held 143.43Mn shares in ADPT by December 2025, up by 6.47Mn shares quarter on quarter, and down 4.31Mn shares year over year.
Ares Financial Consulting, LLC holds the largest position in ADPT at 715 shares as of December 31, 2025, or 0.0% of shares outstanding.
Business Quant data shows the 1 biggest positions in Adaptive Biotechnologies as of December 2025 are held by Ares Financial Consulting, LLC (715).

272 Institutional Holders

146,334,993 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
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
D. E. Shaw & Co., Inc.	31 Dec, 2025	1,902,685	1,164,509	157.75%	$30,899,604.00

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