AI Holders Summary · Q2 2026

38 institutions reported NSPR in Q2 2026. Nantahala Capital Management, LLC leads at 26.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter

Nantahala Capital Management, LLC

CIK 0001472322

$5M6.8M0.08%Q2 2026 02

Rosalind Advisors, Inc.

CIK 0001622627

$3M3.9M1.02%Q2 2026 03

Aberdeen Group plc

CIK 0001716774

$3M3.7M0.00%Q2 2026 04

ORBIMED ADVISORS LLC

CIK 0001055951

$2M3.1M0.04%Q2 2026 05

Parkman Healthcare Partners LLC

CIK 0001777015

$2M2.4M0.17%Q2 2026 06

MARSHALL WACE, LLP

CIK 0001318757

$1M1.9M0.00%Q2 2026 07

Soleus Capital Management, L.P.

CIK 0001802630

$732K1.0M0.03%Q2 2026 08

INGALLS & SNYDER LLC

CIK 0001041885

$618K379K0.02%Q1 2026 09

PURA VIDA INVESTMENTS, LLC

CIK 0001590144

$315K451K0.85%Q2 2026 10

Affiance Financial, LLC

CIK 0001723681

$167K250K0.02%Q3 2026 11

Velan Capital Investment Management LP

CIK 0001848809

$104K148K0.06%Q2 2026 12

BlackRock, Inc.

CIK 0002012383

$86K123K0.00%Q2 2026 13

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$79K113K0.00%Q2 2026 14

Creative Planning

CIK 0001540235

$76K109K0.00%Q2 2026 15

Schonfeld Strategic Advisors LLC

CIK 0001665241

$70K99K0.00%Q2 2026 16

XTX Topco Ltd

CIK 0001828301

$34K49K0.00%Q2 2026 17

Centiva Capital, LP

CIK 0001692507

$31K44K0.00%Q2 2026 18

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$26K38K0.00%Q2 2026 19

Mesirow Financial Investment Management, Inc.

CIK 0001469475

$21K30K0.00%Q2 2026 20

COURIER CAPITAL LLC

CIK 0001015247

$20K30K0.00%Q3 2026

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