AI Holders Summary · Q2 2026

63 institutions reported SPRO in Q2 2026. GSK plc leads at 44.2% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

GSK plc

CIK 0001131399

$20M9.2M3.37%Q2 2026 02

PFIZER INC

CIK 0000078003

$5M2.4M3.13%Q2 2026 03

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$5M2.0M0.00%Q2 2026 04

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$2M948K0.00%Q2 2026 05

Alphabet Inc.

CIK 0001652044

$2M890K0.00%Q2 2026 06

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$2M808K0.00%Q2 2026 07

BlackRock, Inc.

CIK 0002012383

$1M594K0.00%Q2 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1M566K0.00%Q2 2026 09

RAYMOND JAMES FINANCIAL INC

CIK 0000720005

$1M522K0.00%Q2 2026 10

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$846K383K0.00%Q2 2026 11

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$736K333K0.00%Q2 2026 12

GSA CAPITAL PARTNERS LLP

CIK 0001362033

$651K278K0.04%Q1 2026 13

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$636K288K0.00%Q2 2026 14

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$608K275K0.00%Q2 2026 15

GOLDMAN SACHS GROUP INC

CIK 0000886982

$568K257K0.00%Q2 2026 16

TWO SIGMA ADVISERS, LP

CIK 0001478735

$505K217K0.00%Q4 2025 17

STATE STREET CORP

CIK 0000093751

$475K215K0.00%Q2 2026 18

Ionic Capital Management LLC

CIK 0001386462

$457K196K0.06%Q4 2025 19

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$427K183K0.00%Q1 2026 20

UBS Group AG

CIK 0001610520

$309K140K0.00%Q2 2026

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