AI Holders Summary · Q1 2026

89 institutions reported RAIL in Q1 2026. Allianz Asset Management GmbH leads at 21.5% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

Allianz Asset Management GmbH

CIK 0001535323

$12M1.5M0.01%Q1 2026 02

MARSHALL WACE, LLP

CIK 0001318757

$5M446K0.00%Q4 2025 03

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$5M583K0.00%Q1 2026 04

CITADEL ADVISORS LLC

CIK 0001423053

$3M306K0.00%Q4 2025 05

Ancora Advisors LLC

CIK 0001446114

$3M283K0.06%Q4 2025 06

NWAM LLC

CIK 0001655006

$3M321K0.16%Q2 2026 07

ESSEX INVESTMENT MANAGEMENT CO LLC

CIK 0000201772

$3M352K0.44%Q1 2026 08

Minerva Advisors LLC

CIK 0001541536

$3M341K1.75%Q1 2026 09

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$2M303K0.00%Q1 2026 10

Hillsdale Investment Management Inc.

CIK 0001368465

$2M288K0.06%Q1 2026 11

BlackRock, Inc.

CIK 0002012383

$2M269K0.00%Q1 2026 12

North Star Investment Management Corp.

CIK 0001342857

$2M238K0.11%Q1 2026 13

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$2M231K0.00%Q1 2026 14

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$2M216K0.00%Q1 2026 15

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$2M204K0.00%Q1 2026 16

MORGAN STANLEY

CIK 0000895421

$2M201K0.00%Q1 2026 17

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1M162K0.00%Q1 2026 18

Penn Capital Management Company, LLC

CIK 0001158202

$1M145K0.09%Q1 2026 19

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$1M142K0.00%Q1 2026 20

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$1M140K0.00%Q1 2026

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