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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — NSPR
Institutional Holdings
Insider Transactions
US Institutional Ownership
45.9%
Institution
Shares
Value
Ownership %
Change
Filing Date
Rosalind Advisors, Inc.
3.91M
$2.0M
8.32%
--
2026-06-30
Aberdeen Group plc
3.70M
$2.0M
7.88%
+525.0K
2026-06-30
Nantahala Capital Management, LLC
3.38M
$2.0M
7.20%
--
2026-06-30
ORBIMED ADVISORS LLC
3.13M
$2.0M
6.68%
--
2026-06-30
Parkman Healthcare Partners LLC
2.42M
$1.0M
5.15%
--
2026-06-30
MARSHALL WACE, LLP
1.86M
$1.0M
3.96%
--
2026-06-30
Soleus Capital Management, L.P.
1.05M
--
2.23%
--
2026-06-30
PURA VIDA INVESTMENTS, LLC
450.5K
--
0.96%
--
2026-06-30
INGALLS & SNYDER LLC
368.8K
--
0.79%
-10.5K
2026-06-30
Affiance Financial, LLC
250.4K
--
0.53%
--
2026-06-30
Velan Capital Investment Management LP
148.1K
--
0.32%
-1.95M
2026-06-30
BlackRock, Inc.
123.0K
--
0.26%
+42.5K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
112.8K
--
0.24%
+95.2K
2026-06-30
Creative Planning
109.0K
--
0.23%
+89.3K
2026-06-30
Schonfeld Strategic Advisors LLC
99.3K
--
0.21%
+75.9K
2026-06-30
HRT FINANCIAL LP
59.8K
--
0.13%
+49.7K
2026-06-30
XTX Topco Ltd
49.0K
--
0.10%
+36.7K
2026-06-30
Centiva Capital, LP
44.1K
--
0.09%
+19.4K
2026-06-30
MILLENNIUM MANAGEMENT LLC
37.7K
--
0.08%
-74.7K
2026-06-30
COURIER CAPITAL LLC
30.0K
--
0.06%
--
2026-06-30
Mesirow Financial Investment Management, Inc.
30.0K
--
0.06%
--
2026-06-30
MORGAN STANLEY
28.4K
--
0.06%
-11.5K
2026-06-30
VESTIA PERSONAL WEALTH ADVISORS
24.4K
--
0.05%
--
2026-06-30
Cambridge Investment Research Advisors, Inc.
20.2K
--
0.04%
--
2026-06-30
LPL Financial LLC
18.6K
--
0.04%
--
2026-06-30
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