Funds holding BOUNDLESS BIO INC
ISIN US10170A1007 · United States
- Fund holders
- 13
- Of which ETFs
- 1 12 other funds
- Value held
- 4.1M $
- Share of capital
- 9.9 % of 22.7M shares on Aug 5, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 900,270 | 1.3M $ | 0.00 % | 3.96 % | as of May 31, 2026 ↗ |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 445,181 | 1.1M $ | 1.96 % | as of Jun 30, 2026 ↗ | |
| Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust | 226,498 | 328.4K $ | 0.00 % | 1.00 % | as of May 31, 2026 ↗ |
| Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust | 202,816 | 294.1K $ | 0.00 % | 0.89 % | as of May 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 152,011 | 380K $ | 0.00 % | 0.67 % | as of Jun 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 82,655 | 119.8K $ | 0.00 % | 0.36 % | as of May 31, 2026 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 77,500 | 193.8K $ | 0.20 % | 0.34 % | as of Jun 30, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 58,851 | 147.1K $ | 0.01 % | 0.26 % | as of Jun 30, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 50,500 | 126.3K $ | 0.09 % | 0.22 % | as of Jun 30, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 17,731 | 44.3K $ | 0.00 % | 0.08 % | as of Jun 30, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 15,411 | 22.3K $ | 0.07 % | as of May 31, 2026 ↗ | |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 8,946 | 13K $ | 0.04 % | as of May 31, 2026 ↗ | |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 4,089 | 10.2K $ | 0.00 % | 0.02 % | as of Jun 30, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 0.20 % | as of Jun 30, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.09 % | as of Jun 30, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 0.01 % | as of Jun 30, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 0.00 % | as of Jun 30, 2026 ↗ |
| Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 0.00 % | as of May 31, 2026 ↗ |
| Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust | 0.00 % | as of May 31, 2026 ↗ |
| Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust | 0.00 % | as of May 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 0.00 % | as of Jun 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of May 31, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 0.00 % | as of Jun 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Holders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 13 | +2 | 2,242,459 | +4.6 % |
| 2026Q2 | 11 | -1 | 2,144,057 | -3.0 % |
| 2026Q1 | 12 | -2 | 2,210,767 | -11.0 % |
| 2025Q4 | 14 | -9 | 2,484,229 | -4.3 % |
| 2025Q3 | 23 | -42 | 2,594,893 | -21.2 % |
| 2025Q2 | 65 | +3 | 3,294,860 | +18.0 % |
| 2025Q1 | 62 | +4 | 2,791,788 | +111.3 % |
| 2024Q4 | 58 | +25 | 1,321,312 | +81.7 % |
| 2024Q3 | 33 | +25 | 727,010 | +322.0 % |
| 2024Q2 | 8 | 172,295 |
Institutional managers
33 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| FMR LLC | 2,695,455 | 3M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 1,342,131 | 1.5M $ | as of Mar 31, 2026 |
| SECTORAL ASSET MANAGEMENT INC | 678,574 | 746.4K $ | as of Mar 31, 2026 |
| Stonepine Capital Management, LLC | 597,682 | 657.5K $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 556,233 | 611.9K $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 399,000 | 438.9K $ | as of Mar 31, 2026 |
| Alyeska Investment Group, L.P. | 300,000 | 330K $ | as of Mar 31, 2026 |
| RBF Capital, LLC | 200,000 | 220K $ | as of Mar 31, 2026 |
| Ensign Peak Advisors, Inc | 187,500 | 206.3K $ | as of Mar 31, 2026 |
| Sio Capital Management, LLC | 163,679 | 180K $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 127,576 | 140.3K $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 99,875 | 109.9K $ | as of Mar 31, 2026 |
| GSA CAPITAL PARTNERS LLP | 96,824 | 107 $ | as of Mar 31, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 85,792 | 94.4K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 70,675 | 77.7K $ | as of Mar 31, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 50,500 | 55.6K $ | as of Mar 31, 2026 |
| Walleye Capital LLC | 39,624 | 43.6K $ | as of Mar 31, 2026 |
| XTX Topco Ltd | 34,671 | 38.1K $ | as of Mar 31, 2026 |
| Qube Research & Technologies Ltd | 17,492 | 19.2K $ | as of Mar 31, 2026 |
| Squarepoint Ops LLC | 16,374 | 18K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 15,962 | 17.6K $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 13,000 | 14.3K $ | as of Mar 31, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | 12,610 | 12 $ | as of Mar 31, 2026 |
| Pure Financial Advisors, LLC | 10,100 | 11.1K $ | as of Mar 31, 2026 |
| CITIGROUP INC | 8,837 | 9.7K $ | as of Mar 31, 2026 |
Declared shareholders of BOUNDLESS BIO INC
There are 3 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Zachary Hornby | 9.80 % | 2,426,857 | as of Oct 14, 2025 · SCHEDULE 13G |
| ADAR1 Capital Management, LLC and 1 other | 8.80 % | 1,968,216 | as of Jun 30, 2026 · SCHEDULE 13G |
| Citadel Advisors LLC and 6 others | 0.60 % | 145,118 | as of Jun 30, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Funds holding BOUNDLESS BIO INC". https://titelia.com/en/stocks/boundless-bio-inc-US10170A1007