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Boundless Bio Inc
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2.550USD
+0.070+2.82%
Market hours （ET）Quotes delayed by 15 min
57.14MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
ARCH Venture Partners
11.99%
Fidelity Management & Research Company LLC
11.93%
Bayer HealthCare LLC
7.19%
Citadel Advisors LLC
6.03%
Stonepine Capital Management, LLC
3.16%
Other
59.70%
Shareholders
Shareholders
Proportion
ARCH Venture Partners
11.99%
Fidelity Management & Research Company LLC
11.93%
Bayer HealthCare LLC
7.19%
Citadel Advisors LLC
6.03%
Stonepine Capital Management, LLC
3.16%
Other
59.70%
Shareholder Types
Shareholders
Proportion
Investment Advisor
16.36%
Hedge Fund
12.39%
Venture Capital
12.17%
Investment Advisor/Hedge Fund
10.06%
Corporation
7.19%
Individual Investor
4.16%
Research Firm
0.21%
Other
37.46%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
140
11.50M
51.35%
-6.35M
2025Q4
132
12.33M
76.87%
--
2025Q3
132
12.33M
76.87%
-167.22K
2025Q2
131
12.49M
78.53%
-3.25M
2025Q1
121
15.75M
77.89%
-1.62M
2024Q4
112
15.68M
77.92%
-298.26K
2024Q3
101
16.92M
79.18%
-605.35K
2024Q2
82
17.52M
79.23%
-1.06M
2024Q1
50
18.02M
0.00%
+18.02M
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
ARCH Venture Partners
2.69M
12.02%
--
--
Apr 25, 2025
Fidelity Management & Research Company LLC
2.68M
11.96%
-414.05K
-13.39%
Dec 31, 2025
Bayer HealthCare LLC
1.62M
7.21%
--
--
Apr 25, 2025
Citadel Advisors LLC
1.35M
6.04%
-79.48K
-5.55%
Dec 31, 2025
Stonepine Capital Management, LLC
710.07K
3.17%
+296.62K
+71.74%
Dec 31, 2025
Sectoral Asset Management Inc.
678.57K
3.03%
--
--
Dec 31, 2025
Lim (Jonathan E)
653.48K
2.92%
--
--
Apr 25, 2025
Wellington Management Company, LLP
556.23K
2.48%
--
--
Dec 31, 2025
Renaissance Technologies LLC
341.40K
1.52%
+117.84K
+52.71%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Global X Russell 2000 ETF
0%
Proshares Ultra Russell 2000
0%
iShares Russell 2000 ETF
0%
iShares Russell 2000 Value ETF
0%
iShares Micro-Cap ETF
0%
ProShares UltraPro Russell2000
0%
ProShares Hedge Replication ETF
0%
iShares Russell 2000 Growth ETF
0%
Global X Russell 2000 ETF
Proportion0%
Proshares Ultra Russell 2000
Proportion0%
iShares Russell 2000 ETF
Proportion0%
iShares Russell 2000 Value ETF
Proportion0%
iShares Micro-Cap ETF
Proportion0%
ProShares UltraPro Russell2000
Proportion0%
ProShares Hedge Replication ETF
Proportion0%
iShares Russell 2000 Growth ETF
Proportion0%