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NORTHERN TRUST CORP

Bank

Position in SPRO — Spero Therapeutics, Inc.

CIK 73124 CHICAGO, IL

Position in SPRO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$239,285
-$43,817 QoQ
Shares Held
108,274
-10.5% QoQ
Ownership
0.186%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 59 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SPRO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

NORTHERN TRUST CORP holds $7,872,952,300 across 424 Biotechnology names. SPRO ranks #308 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SPRO

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $239,285 108,274
2026-03-31 $283,102 120,984
2025-12-31 $281,892 120,984
2025-09-30 $243,728 129,643
2025-06-30 $292,409 100,831
2025-03-31 $72,665 100,924
2024-12-31 $89,040 86,447
2024-09-30 $149,405 111,497
2024-06-30 $145,993 112,303
2024-03-31 $197,040 114,559
2023-12-31 $130,654 88,881
2023-09-30 $107,545 88,881
2023-06-30 $128,679 88,745
2023-03-31 $125,070 86,256
2022-12-31 $120,380 69,584
2022-09-30 $139,926 69,963
2022-06-30 $51,845 69,968
2022-03-31 $2,074,532 238,452
2021-12-31 $4,053,731 253,200
2021-09-30 $4,748,655 257,939
2021-06-30 $3,641,968 260,886
2021-03-31 $3,526,587 239,578
2020-12-31 $5,157,214 265,973
2020-09-30 $2,355,617 211,077
2020-06-30 $2,840,175 209,917
2020-03-31 $1,319,252 163,274