BOLDBOUNDLESS BIO INC
CUSIP 10170A100 · Yahoo Finance ↗ · Google Finance ↗
Boundless Bio Inc (BOLD) has 36 institutional holders in Filings Flow’s 13F database, together reporting 8.49M shares worth $9M as of Q1 2026. The largest reported holders are FMR LLC, Nextech Invest, Ltd., and Citadel Advisors LLC.
Institutional Holders
36
Q1 2026
Reported Value
$9M
Ticker
BOLD
Quarters Tracked
3
Ownership Trend
Institutional holders
Total reported value
Holders
Mixed quarters
| Manager | % of Portfolio | Value | Shares | Quarter |
|---|---|---|---|---|
| SECTORAL ASSET MANAGEMENT INC$121M AUM | 0.62% | $746,431 | 678.6K | Q1 2026OLDER |
| Stonepine Capital Management, LLC$250M AUM | 0.26% | $657,450 | 597.7K | Q1 2026OLDER |
| Nextech Invest, Ltd.$1.4B AUM | 0.23% | $2M | 1.23M | Q3 2025OLDER |
| Almitas Capital LLC$443M AUM | 0.05% | $213,548 | 173.6K | Q3 2025OLDER |
| Redmile Group, LLC$1.5B AUM | 0.03% | $301,913 | 245.5K | Q3 2025OLDER |
| Sio Capital Management, LLC$697M AUM | 0.03% | $180,047 | 163.7K | Q1 2026OLDER |
| RBF Capital, LLC$2.0B AUM | 0.01% | $220,000 | 200.0K | Q1 2026OLDER |
| Nolet Wealth Management, LLC$176M AUM | 0.01% | $13,588 | 11.3K | Q4 2025OLDER |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C.$1.6B AUM | 0.01% | $94,370 | 85.8K | Q1 2026OLDER |
| Abel Hall, LLC$469M AUM | 0.00% | $15,438 | 12.9K | Q4 2025OLDER |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM | 0.00% | $55,550 | 50.5K | Q1 2026OLDER |
| Alyeska Investment Group, L.P.$35.4B AUM | 0.00% | $330,000 | 300.0K | Q1 2026OLDER |
| RENAISSANCE TECHNOLOGIES LLC$63.9B AUM | 0.00% | $438,900 | 399.0K | Q1 2026OLDER |
| XTX Topco Ltd$5.8B AUM | 0.00% | $38,138 | 34.7K | Q1 2026OLDER |
| Ensign Peak Advisors, Inc$53.7B AUM | 0.00% | $206,250 | 187.5K | Q1 2026OLDER |
| CITADEL ADVISORS LLC$618.5B AUM | 0.00% | $1M | 1.34M | Q1 2026OLDER |
| Walleye Capital LLC$24.0B AUM | 0.00% | $43,586 | 39.6K | Q1 2026OLDER |
| Pure Financial Advisors, LLC$7.0B AUM | 0.00% | $11,110 | 10.1K | Q1 2026OLDER |
| FMR LLC$1.90T AUM | 0.00% | $3M | 2.70M | Q1 2026OLDER |
| WELLINGTON MANAGEMENT GROUP LLP$535.5B AUM | 0.00% | $611,856 | 556.2K | Q1 2026OLDER |
| Tower Research Capital LLC (TRC)$3.8B AUM | 0.00% | $2,608 | 2.4K | Q1 2026OLDER |
| MILLENNIUM MANAGEMENT LLC$240.3B AUM | 0.00% | $109,862 | 99.9K | Q1 2026OLDER |
| NORTHERN TRUST CORP$756.6B AUM | 0.00% | $227,370 | 189.5K | Q4 2025OLDER |
| Qube Research & Technologies Ltd$89.9B AUM | 0.00% | $19,241 | 17.5K | Q1 2026OLDER |
| Squarepoint Ops LLC$85.1B AUM | 0.00% | $18,011 | 16.4K | Q1 2026OLDER |
| VANGUARD FIDUCIARY TRUST CO$396.1B AUM | 0.00% | $71,650 | 65.1K | Q1 2026OLDER |
| VANGUARD CAPITAL MANAGEMENT LLC$4.04T AUM | 0.00% | $656,911 | 597.2K | Q1 2026OLDER |
| VANGUARD GROUP INC$6.90T AUM | 0.00% | $795,308 | 662.8K | Q4 2025OLDER |
| GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM | 0.00% | $140,333 | 127.6K | Q1 2026OLDER |
| CITIGROUP INC$234.5B AUM | 0.00% | $9,721 | 8.8K | Q1 2026OLDER |
| JANE STREET GROUP, LLC$777.2B AUM | 0.00% | $15,988 | 13.3K | Q4 2025OLDER |
| GOLDMAN SACHS GROUP INC$870.9B AUM | 0.00% | $17,588 | 14.3K | Q3 2025OLDER |
| BlackRock, Inc.$5.72T AUM | 0.00% | $77,743 | 70.7K | Q1 2026OLDER |
| MORGAN STANLEY$1.67T AUM | 0.00% | $15,600 | 13.0K | Q1 2026OLDER |
| BANK OF AMERICA CORP /DE/$1.37T AUM | 0.00% | $9,310 | 7.8K | Q4 2025OLDER |
| STATE STREET CORP$2.90T AUM | 0.00% | $17,558 | 16.0K | Q1 2026OLDER |
| Caitong International Asset Management Co., Ltd$541M AUM | 0.00% | $3 | 3 | Q1 2026OLDER |
| Financial Management Professionals, Inc.$1.1B AUM | 0.00% | $5 | 2 | Q2 2026 |
| Vanguard Global Advisers, LLC$186.5B AUM | 0.00% | $472 | 429 | Q1 2026OLDER |
| ROYAL BANK OF CANADA$570.1B AUM | 0.00% | $1,000 | 959 | Q3 2025OLDER |
| BNP PARIBAS FINANCIAL MARKETS$205.8B AUM | 0.00% | $196 | 178 | Q1 2026OLDER |
| Optiver Holding B.V.$289.5B AUM | 0.00% | $185 | 168 | Q2 2026 |
| SBI Securities Co., Ltd.$3.6B AUM | 0.00% | $1 | 1 | Q1 2026OLDER |
| CWM, LLC$38.1B AUM | 0.00% | $9 | 8 | Q1 2026OLDER |
| JPMORGAN CHASE & CO$1.56T AUM | 0.00% | $183 | 169 | Q1 2026OLDER |
| BARCLAYS PLC$416.3B AUM | 0.00% | $2 | 2 | Q4 2025OLDER |
| UBS Group AG$666.3B AUM | 0.00% | $2 | 2 | Q1 2026OLDER |
Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.