SPRO institutional holders

SPERO THERAPEUTICS INC · 13F, 2026Q2

Managers holding60
Shares held21,472,406
Reported value$47.5m
Quarter flows22 new, 17 added, 6 trimmed, 12 exited

Top 25 holders

ManagerSharesValue% of manager's 13F
GSK plc9,190,606$20.3m3.4%
Pfizer Inc2,362,348$5.3m3.1%
VANGUARD CAPITAL MANAGEMENT LLC2,036,226$4.5m0.0%
RENAISSANCE TECHNOLOGIES LLC947,904$2.1m0.0%
Alphabet Inc.889,979$2.0m0.0%
SUSQUEHANNA INTERNATIONAL GROUP, LLP759,290$1.7m0.0%
BlackRock, Inc.594,404$1.3m0.0%
GEODE CAPITAL MANAGEMENT, LLC566,329$1.3m0.0%
RAYMOND JAMES FINANCIAL INC521,705$1.2m0.0%
TWO SIGMA INVESTMENTS, LP382,814$846,0190.0%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP332,970$735,8640.0%
VANGUARD FIDUCIARY TRUST CO287,648$635,7020.0%
GSA CAPITAL PARTNERS LLP285,906$632,0000.0%
DIMENSIONAL FUND ADVISORS LP274,820$607,6160.0%
GOLDMAN SACHS GROUP INC256,985$567,9370.0%
STATE STREET CORP214,751$474,6000.0%
JANE STREET GROUP, LLC158,097$349,3940.0%
UBS Group AG139,680$308,6930.0%
BRIDGEWAY CAPITAL MANAGEMENT, LLC114,800$253,7080.0%
NORTHERN TRUST CORP108,274$239,2860.0%
Point72 Asset Management, L.P.104,377$230,6730.0%
Ionic Capital Management LLC102,698$226,9630.0%
Federation des caisses Desjardins du Quebec91,900$202,1800.0%
Shay Capital LLC72,391$159,9840.0%
Invesco Ltd.64,245$141,9810.0%

Every holder, line by line, and the full history since 2013: yf.Client().holders("SPRO"). SPRO price history · All 13F data

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