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Boundless Bio, Inc.

BOLD
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001782303

In the last 90 days, Boundless Bio, Inc. insiders filed 5 open-market purchases and 2 sales; 40 institutions reported holding it in 13F filings for Q2 2026, worth $38.3M in total; no superinvestor holds it.

13F holders, Q1 2024

Institutional positions in Boundless Bio, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
43
+43 vs. Q4 2023
Shares held
14.6M
+14.6M vs. Q4 2023
Total value
$208.8M
+$208.8M vs. Q4 2023
New holders
43
0 more added
Sold out
0
0 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BOLD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 43 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 43 institutionsQ2 2024: 47 institutionsQ3 2024: 55 institutionsQ4 2024: 55 institutionsQ1 2025: 54 institutionsQ2 2025: 44 institutionsQ3 2025: 35 institutionsQ4 2025: 36 institutionsQ1 2026: 36 institutionsQ2 2026: 40 institutions
Value heldQ1 2024: $208.8M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $208.8MQ2 2024: $53.4MQ3 2024: $46.1MQ4 2024: $37.6MQ1 2025: $19.6MQ2 2025: $9.88MQ3 2025: $11.8MQ4 2025: $10.5MQ1 2026: $9.33MQ2 2026: $38.3M
Institutions holding BOLD and their total value by quarter
QuarterHoldersValue
Q2 202640$38.3M
Q1 202636$9.33M
Q4 202536$10.5M
Q3 202535$11.8M
Q2 202544$9.88M
Q1 202554$19.6M
Q4 202455$37.6M
Q3 202455$46.1M
Q2 202447$53.4M
Q1 202443$208.8M
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Boundless Bio, Inc.; share changes are against Q4 2023.

Institutions holding BOLD in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC3,263,268$48.1M0.00%+3,263,268New
Ra Capital Management, L.P.2,180,631$31.1M0.40%+2,180,631New
Nextech Invest AG1,228,069$17.5M2.77%+1,228,069New
Wellington Management Group LLP1,171,973$16.3M0.00%+1,171,973New
Redmile Group, LLC1,114,034$15.9M0.58%+1,114,034New
Sectoral Asset Management Inc855,875$12.2M4.79%+855,875New
Citadel Advisors LLC854,804$12.0M0.01%+854,804New
Boxer Capital, LLC711,329$10.1M0.50%+711,329New
Federated Hermes, Inc.375,000$5.34M0.01%+375,000New
Ensign Peak Advisors, Inc375,000$5.34M0.01%+375,000New
Silverarc Capital Management, LLC312,500$4.45M1.25%+312,500New
Alyeska Investment Group, L.P.250,000$3.56M0.02%+250,000New
Altium Capital Management LP200,000$2.85M1.27%+200,000New
Logos Global Management LP200,000$2.85M0.30%+200,000New
BlackRock Inc.150,000$2.14M0.00%+150,000New
Sio Capital Management, LLC143,000$2.04M0.71%+143,000New
PFM Health Sciences, LP140,513$2.00M0.10%+140,513New
Millennium Management LLC123,350$1.76M0.00%+123,350New
ExodusPoint Capital Management, LP100,000$1.43M0.02%+100,000New
LMR Partners LLP89,249$1.27M0.03%+89,249New
Norges Bank70,000$997.5K0.00%+70,000New
Schonfeld Strategic Advisors LLC64,421$918.0K0.01%+64,421New
Vanguard Group Inc60,000$855.0K0.00%+60,000New
Point72 Asset Management, L.P.59,000$840.8K0.00%+59,000New
HBK Investments L P51,500$733.9K0.02%+51,500New
NewGen Asset Management Ltd50,000$712.5K0.38%+50,000New
Readystate Asset Management LP50,000$712.5K0.03%+50,000New
UBS Oconnor LLC41,650$593.5K0.02%+41,650New
Monashee Investment Management LLC31,250$445.3K0.05%+31,250New
Squarepoint Ops LLC31,250$445.3K0.00%+31,250New
Balyasny Asset Management LLC30,000$427.5K0.00%+30,000New
Blackstone Group Inc.30,000$427.5K0.00%+30,000New
Royal Bank of Canada24,633$351.0K0.00%+24,633New
Weiss Asset Management LP22,500$320.6K0.02%+22,500New
Teacher Retirement System of Texas20,000$285.0K0.00%+20,000New
Soros Fund Management LLCSuperinvestorSoros Fund Management20,000$285.0K0.01%+20,000New
Ovata Capital Management Ltd20,000$285.0K0.15%+20,000New
Two Sigma Investments, LP17,000$242.3K0.00%+17,000New
Barclays PLC15,000$213.8K0.00%+15,000New
Teachers Retirement System of the State of Kentucky14,920$213.0K0.00%+14,920New
Point72 (DIFC) Ltd12,684$180.7K0.01%+12,684New
Sandia Investment Management LP7,500$106.9K0.11%+7,500New
FNY Investment Advisers, LLC660$9.00K0.01%+660New