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Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

SPRO holding history

Spero Therapeutics, Inc. in every 13F filed by Dimensional Fund Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SPRO overviewAll 13F holders of SPROFull Q2 2026 holdings

Shares (Q2 2026)
274,820
Value
$607.6K
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of SPRO by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026274,820$607.6K<0.1%+245,052+823.2%AddedHolders
Q1 202629,768$69.2K<0.1%00.0%UnchangedHolders
Q4 202529,768$69.0K<0.1%+774+2.7%AddedHolders
Q3 202528,994$54.9K<0.1%+28,994NewHolders
Q1 20250$00.0%−10,003−100.0%Sold outHolders
Q4 202410,003$10.3K<0.1%00.0%UnchangedHolders
Q3 202410,003$13.4K<0.1%00.0%UnchangedHolders
Q2 202410,003$13.0K<0.1%00.0%UnchangedHolders
Q1 202410,003$17.2K<0.1%00.0%UnchangedHolders
Q4 202310,003$14.7K<0.1%−1,750−14.9%ReducedHolders
Q3 202311,753$14.2K<0.1%00.0%UnchangedHolders
Q2 202311,753$17.0K<0.1%00.0%UnchangedHolders
Q1 202311,753$17.0K<0.1%00.0%UnchangedHolders
Q4 202211,753$20.0K<0.1%+1,750+17.5%AddedHolders
Q3 202210,003$20.0K<0.1%−274,953−96.5%ReducedHolders
Q2 2022284,956$212.0K<0.1%−121,990−30.0%ReducedHolders
Q1 2022406,946$3.54M<0.1%+35,724+9.6%AddedHolders
Q4 2021371,222$5.94M<0.1%+41,589+12.6%AddedHolders
Q3 2021329,633$6.07M<0.1%−44,810−12.0%ReducedHolders
Q2 2021374,443$5.23M<0.1%+31,937+9.3%AddedHolders
Q1 2021342,506$5.04M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.