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Equibles

Assenagon Asset Management S.A.

Position in SPRO — Spero Therapeutics, Inc.

CIK 1546007 SENNINGERBERG, N4
Back to SPRO Full portfolio

Position in SPRO

as of Jun 30, 2026 · filed Aug 21, 2026
Position Value
$41,185
-$2,423 QoQ
Shares Held
18,636
0.0% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#39
of 59 holders
Holding Since
Dec 2020
8 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

Assenagon Asset Management S.A. holds $1,940,218,245 across 69 Biotechnology names. SPRO ranks #68 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 759,564 $377,298,225
2 ROIV
Roivant Sciences Ltd.
 8,362,952 $295,964,871
3 REGN
Regeneron Pharmaceuticals, Inc.
 244,927 $152,721,781
4 AXSM
Axsome Therapeutics, Inc.
 454,682 $111,292,513
5 BMRN
Biomarin Pharmaceutical Inc
 1,762,086 $100,826,560
6 HALO
Halozyme Therapeutics, Inc.
 997,643 $78,085,517
7 MDGL
Madrigal Pharmaceuticals, Inc.
 124,214 $66,696,707
8 TARS
Tarsus Pharmaceuticals, Inc.
 947,495 $59,635,335

All Filings in SPRO

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $41,185 18,636
2026-03-31 $43,608 18,636
2025-12-31 $43,421 18,636
2025-09-30 $69,546 36,993
2022-06-30 $97,085 131,020
2022-03-31 $201,170 23,123
2021-03-31 $2,672,828 181,578
2020-12-31 $2,400,191 123,785