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BOLD Institutional Ownership & 13F Holders | SmartMoneyDB

BOLDBOUNDLESS BIO INC

COM · CUSIP 10170A100

Smart Money Ownership

Of the 8 tracked institutions holding BOLD, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +5.7pt. It's a gauge of who owns the name, not just how many.

Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →

BOLD (BOUNDLESS BIO INC) Institutional Ownership Summary

Among the 8 tracked institutional investors we monitor, BOLD (BOUNDLESS BIO INC) is held with a combined value of $11.64M across 4,999,760 shares. The largest holder is FMR LLC with a position worth $6.45M. 4 funds increased their holdings. 2 funds reduced their position.

Total Institutional Value

$11.64M

Total Shares Held

4,999,760

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

MILLENNIUM MANAGEMENT LLC+379% shares~$946.9K RENAISSANCE TECHNOLOGIES LLC+18% shares~$181.5K VANGUARD GROUP INC+16% shares~$111.5K BlackRock, Inc.+25% shares~$44.5K

Biggest Sellers

13F Institutional Holders

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FMR LLC

0.00% of book-4.2%

$6.45M

WELLINGTON MANAGEMENT GROUP LLP

0.00% of book-

$1.39M

MILLENNIUM MANAGEMENT LLC

0.00% of book+379.2%

$1.20M

RENAISSANCE TECHNOLOGIES LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	FMR LLC	$6.45M	2,581,055	0.00%	-4.2%
2	WELLINGTON MANAGEMENT GROUP LLP	$1.39M	556,233	0.00%	-
3	MILLENNIUM MANAGEMENT LLC	$1.20M	478,639	0.00%	+379.2%
4	RENAISSANCE TECHNOLOGIES LLC	$1.18M	471,570	0.00%	+18.2%
5	VANGUARD GROUP INC	$795.31K	662,757	0.00%	+16.3%
6	CITADEL ADVISORS LLC	$362.62K	145,049	0.00%	-89.2%
7	BlackRock, Inc.	$221.24K	88,495	0.00%	+25.2%
8	STATE STREET CORP	$39.91K	15,962	0.00%	-

Activist & Large Holders (13D/13G)

Investor	Ownership	Type	Filed
Hornby Zachary	9.8%	13G	2026-08-27
ADAR1 Capital Management, LLC	8.8%

Frequently Asked Questions

Which institutional investors own the most BOLD stock?

As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of BOLD with a position worth $6.45M, representing 0.00% of their portfolio. In total, 8 institutional investors hold BOLD with a combined value of $11.64M.

What percentage of BOLD is owned by institutional investors?

Institutional investors hold $11.64M worth of BOLD stock across 8 positions. The largest institutional holder is FMR LLC with $6.45M in holdings.

What is a 13F filing and why does it matter for BOLD?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For BOLD, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track BOLD institutional moves

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