AI Holders Summary · Q2 2026

34 institutions reported NEPH in Q2 2026. WEXFORD CAPITAL LP leads at 68.4% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

WEXFORD CAPITAL LP

CIK 0001048462

$13M3.6M1.64%Q2 2026 02

Topline Capital Management, LLC

CIK 0001792549

$2M536K0.50%Q2 2026 03

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$709K199K0.00%Q2 2026 04

MORGAN STANLEY

CIK 0000895421

$460K129K0.00%Q2 2026 05

Cornerstone Capital, Inc.

CIK 0000819535

$459K129K0.04%Q2 2026 06

BARD ASSOCIATES INC

CIK 0001105907

$421K118K0.09%Q2 2026 07

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$277K78K0.00%Q2 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$251K70K0.00%Q2 2026 09

Mesirow Financial Investment Management, Inc.

CIK 0001469475

$214K60K0.00%Q2 2026 10

HighTower Advisors, LLC

CIK 0001462245

$213K60K0.00%Q2 2026 11

NAVELLIER & ASSOCIATES INC

CIK 0000872163

$191K53K0.02%Q2 2026 12

ESSEX INVESTMENT MANAGEMENT CO LLC

CIK 0000201772

$139K39K0.02%Q2 2026 13

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$132K37K0.00%Q2 2026 14

BLAIR WILLIAM & CO/IL

CIK 0000902367

$129K36K0.00%Q2 2026 15

CITADEL ADVISORS LLC

CIK 0001423053

$104K29K0.00%Q2 2026 16

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$79K22K0.00%Q2 2026 17

BlackRock, Inc.

CIK 0002012383

$67K19K0.00%Q2 2026 18

De Lisle Partners LLP

CIK 0002011184

$62K17K0.01%Q2 2026 19

NORTHERN TRUST CORP

CIK 0000073124· Index

$60K17K0.00%Q2 2026 20

STATE STREET CORP

CIK 0000093751

$56K16K0.00%Q2 2026

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