Tamarly Intelligence

Who Holds Boundless Bio, Inc. (BOLD)? 40 Institutional Holders, Q2 2026

Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 40 holders, $37 million in total.

Largest holders

The 40 largest by value. Change in shares against Q1 2026.

ManagerSharesValueChange
ARCH Venture Management, LLC2,694,095$7 millionNew13F
FMR LLC2,581,055$6 million-4%13F
TANG CAPITAL MANAGEMENT LLC2,559,875$6 millionNew13F
ADAR1 Capital Management, LLC1,968,216$5 millionNew13F
Cormorant Asset Management, LP1,000,000$3 millionNew13F
VANGUARD CAPITAL MANAGEMENT LLC614,923$2 million+3%13F
WELLINGTON MANAGEMENT GROUP LLP556,233$1 million+0%13F
MILLENNIUM MANAGEMENT LLC478,639$1 million+379%13F
RENAISSANCE TECHNOLOGIES LLC471,570$1 million+18%13F
Alyeska Investment Group, L.P.300,000$750,000+0%13F
Affinity Asset Advisors, LLC250,000$625,000New13F
RBF Capital, LLC200,000$500,000+0%13F
Ensign Peak Advisors, Inc159,835$399,588-15%13F
Stonepine Capital Management, LLC154,595$386,488-74%13F
CITADEL ADVISORS LLC145,049$362,623-89%13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC128,000$320,000+153%13F
GEODE CAPITAL MANAGEMENT, LLC116,736$291,839-8%13F
BlackRock, Inc.88,495$221,239+25%13F
PRELUDE CAPITAL MANAGEMENT, LLC83,998$209,995New13F
Rangeley Capital, LLC74,000$185,000New13F
VANGUARD FIDUCIARY TRUST CO65,136$162,840+0%13F
JANE STREET GROUP, LLC64,323$160,807New13F
SUPERSTRING CAPITAL MANAGEMENT LP55,356$138,390New13F
NORTHERN TRUST CORP34,824$87,060New13F
XTX Topco Ltd33,361$83,403-4%13F
Qube Research & Technologies Ltd20,207$50,518+16%13F
China Universal Asset Management Co., Ltd.16,900$42,250New13F
STATE STREET CORP15,962$39,905+0%13F
MORGAN STANLEY13,000$32,500+0%13F
Caitong International Asset Management Co., Ltd10,443$26,108+348000%13F
Pure Financial Advisors, LLC10,100$25,250+0%13F
Tower Research Capital LLC (TRC)348$870-85%13F
BNP PARIBAS FINANCIAL MARKETS176$440-1%13F
JPMORGAN CHASE & CO179$439+6%13F
ACADIAN ASSET MANAGEMENT LLC146,757$365+1064%13F
HRT FINANCIAL LP116,288$290New13F
GSA CAPITAL PARTNERS LLP72,353$181-25%13F
SBI Securities Co., Ltd.2$5+100%13F
Financial Management Professionals, Inc.2$5New13F
UBS Group AG2$5+0%13F

Questions and answers

How many institutions hold Boundless Bio, Inc.?
40 managers reported Boundless Bio, Inc. on Form 13F for the quarter ended 30 June 2026, against 36 the quarter before.
Who is the largest institutional holder of Boundless Bio, Inc.?
ARCH Venture Management, LLC, with 2,694,095 shares worth $7 million on its 13F for Q2 2026.
How many institutions bought or sold out of Boundless Bio, Inc. in Q2 2026?
13 managers reported a new position and 9 reported none after holding it the quarter before.
See every holder, the full history and an alert when the next 13F filings land; the 7-day trial opens everything.Start the free trial

Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Boundless Bio, Inc., Q2 2026", https://app.tamarly.ai/holders/boundless-bio, built from SEC EDGAR.

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Who Holds Boundless Bio, Inc. (BOLD)? 40 Institutional Holders, Q2 2026 | Tamarly