Adicet Bio, Inc. (ACET) Institutional Ownership

Institutions by Trading Activity

5,787,931Shares Outstanding

0Shares held by institutions

$0Value of institutional holdings

5.20%Institutional ownership %

0.00%Shares Changed QoQ

4No. of institutional investors

A total of 4 institutions have reported a stake in Adicet Bio, Inc. (NASDAQ:ACET) as of December 2025, according to recent 13F filings with the SEC.

Adicet Bio saw its institutional ownership percentage fell to 5.2% in December 2025 from 885.9% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by nan%, with a year-over-year a decrease of 93.85% in the count of filers.
Among the 4 institutional holders of Adicet Bio, 4 added to their stakes while 0 trimmed their positions and 0 held steady.
The total number of shares held by institutions in Adicet Bio increased to 301.19K as of December 2025, a net change of up by 301.19K shares quarter on quarter, and down 57.37Mn shares year over year.
VANGUARD GROUP INC continues to be the largest institutional holder of Adicet Bio as of December 31, 2025, with a position of 291.28K shares, representing 5.03% of the company's outstanding stock.
Among the most significant buyers of Adicet Bio during December 2025 were VANGUARD GROUP INC (291.28K), FNY Investment Advisers, LLC (6.10K), UBS Group AG (3.80K), SBI Securities Co., Ltd. (19).
The top 4 institutional holders of Adicet Bio for the quarter ending December 2025 included VANGUARD GROUP INC (291.28K), FNY Investment Advisers, LLC (6.10K), UBS Group AG (3.80K), SBI Securities Co., Ltd. (19).

0 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
ORBIMED ADVISORS LLC	30 Sep, 2025	11,447,140	0	0.00%	$9,274,473.00
TANG CAPITAL MANAGEMENT LLC	30 Sep, 2025	8,223,612	0	0.00%	$6,662,770.00
RA CAPITAL MANAGEMENT, L.P.	30 Sep, 2025	7,541,000	0	0.00%	$6,109,718.00
GOLDMAN SACHS GROUP INC	30 Sep, 2025	3,751,617	-481	-0.01%	$3,039,560.00
VANGUARD GROUP INC	30 Sep, 2025	3,272,522	0	0.00%	$2,650,743.00
Carlyle Group Inc.	30 Sep, 2025	2,948,718	0	0.00%	$2,388,756.00
ACADIAN ASSET MANAGEMENT LLC	30 Sep, 2025	2,265,491	190,887	9.20%	$1,835.00
RENAISSANCE TECHNOLOGIES LLC	30 Sep, 2025	1,828,949	675,133	58.51%	$1,481,814.00
REGENERON PHARMACEUTICALS, INC.	30 Sep, 2025	968,183	0	0.00%	$784,422.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	30 Sep, 2025	901,600	0	0.00%	$730,476.00
TWO SIGMA INVESTMENTS, LP	30 Sep, 2025	854,568	341,761	66.65%	$692,371.00
TWO SIGMA ADVISERS, LP	30 Sep, 2025	780,982	214,943	37.97%	$632,752.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	706,334	0	0.00%	$572,440.00
Alyeska Investment Group, L.P.	30 Sep, 2025	655,665	0	0.00%	$531,220.00
RBF Capital, LLC	30 Sep, 2025	617,319	0	0.00%	$500,152.00
BlackRock, Inc.	30 Sep, 2025	585,377	-14,110	-2.35%	$474,272.00
CITADEL ADVISORS LLC	30 Sep, 2025	583,948	583,948	0.00%	$473,115.00
MILLENNIUM MANAGEMENT LLC	30 Sep, 2025	565,953	-26,374	-4.45%	$458,535.00
Schonfeld Strategic Advisors LLC	30 Sep, 2025	479,108	-1,400,987	-74.52%	$388,171.00
JOHNSON & JOHNSON	30 Sep, 2025	364,472	0	0.00%	$295,295.00

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