Bolt Biotherapeutics, Inc. (BOLT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

1,920,430Shares Outstanding

334,874Shares held by institutions

$1,674,370Value of institutional holdings

31.38%Institutional ownership %

-6.51%Shares Changed QoQ

21No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 21 institutions have reported a stake in Bolt Biotherapeutics, Inc. (NASDAQ:BOLT) as of December 2025, according to recent 13F filings with the SEC.

Bolt Biotherapeutics saw its institutional ownership percentage fell to 31.4% in December 2025 from 41.9% in September 2025.
The company experienced a -6.51% quarterly change in institutional shares held, alongside a decrease of 46.15% in total owners annually.
A review of institutional activity for Bolt Biotherapeutics shows 7 of 21 filers increasing their positions, while 4 reduced their stake, and 10 remained unchanged.
This class of investors decreased its holdings in Bolt Biotherapeutics to 602.54K shares for the 13F-cycle ending December 2025, down by 41.99K shares quarter on quarter, and down 330.22K shares year over year.
Sofinnova Investments, Inc.'s holding of 137.72K shares as of December 31, 2025 makes it the primary institutional investor in Bolt Biotherapeutics, owning 7.17% of the stock.
Among the most significant buyers of Bolt Biotherapeutics during December 2025 were T3 Companies, LLC (38.00K), RENAISSANCE TECHNOLOGIES LLC (26.40K), NANO CAP NEW MILLENNIUM GROWTH FUND L P (20.50K), UBS Group AG (512), Tower Research Capital LLC (TRC) (464).
Leading sellers of Bolt Biotherapeutics stock in December 2025 included Vivo Capital, LLC (103.65K), VANGUARD GROUP INC (24.05K), Shay Capital LLC (686), Board of Trustees of The Leland Stanford Junior University (1).
The top 10 institutional holders of Bolt Biotherapeutics for the quarter ending December 2025 included Sofinnova Investments, Inc. (137.72K), Pivotal bioVenture Partners Investment Advisor LLC (94.57K), Vivo Capital, LLC (72.41K), Nan Fung Group Holdings Ltd (58.35K), RENAISSANCE TECHNOLOGIES LLC (55.02K), T3 Companies, LLC (38.00K), Board of Trustees of The Leland Stanford Junior University (35.98K), PFIZER INC (31.30K), NANO CAP NEW MILLENNIUM GROWTH FUND L P (20.50K), GEODE CAPITAL MANAGEMENT, LLC (18.80K).

21 Institutional Holders

334,874 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Sofinnova Investments, Inc.	31 Dec, 2025	137,721	0	0.00%	$753,058.00
Pivotal bioVenture Partners Investment Advisor LLC	31 Dec, 2025	94,573	0	0.00%	$517,125.00
Vivo Capital, LLC	31 Dec, 2025	72,414	-103,650	-58.87%	$395,960.00
Nan Fung Group Holdings Ltd	31 Dec, 2025	58,347	0	0.00%	$319,041.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	55,025	26,400	92.23%	$300,877.00
T3 Companies, LLC	31 Dec, 2025	38,000	38,000	0.00%	$207,784.00
Board of Trustees of The Leland Stanford Junior University	31 Dec, 2025	35,977	-1	0.00%	$196,722.00
PFIZER INC	31 Dec, 2025	31,305	0	0.00%	$171,176.00
NANO CAP NEW MILLENNIUM GROWTH FUND L P	31 Dec, 2025	20,500	20,500	0.00%	$112,094.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	18,803	270	1.46%	$103,058.00
Shay Capital LLC	31 Dec, 2025	15,272	-686	-4.30%	$83,507.00
VANGUARD GROUP INC	31 Dec, 2025	10,179	-24,052	-70.26%	$55,782.00
BlackRock, Inc.	31 Dec, 2025	9,711	0	0.00%	$53,100.00
MORGAN STANLEY	31 Dec, 2025	3,128	0	0.00%	$17,104.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	723	464	179.15%	$3,953.00
UBS Group AG	31 Dec, 2025	515	512	17,066.67%	$2,816.00
CITIGROUP INC	31 Dec, 2025	256	256	0.00%	$1,403.00
JPMORGAN CHASE & CO	31 Dec, 2025	42	0	0.00%	$230.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	31	0	0.00%	$169.00
SBI Securities Co., Ltd.	31 Dec, 2025	10	0	0.00%	$55.00

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