Vanguard Fiduciary Trust’s Spero Therapeutics SPRO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$636K Buy
287,648
+23,533
+9% +$61.6K ﹤0.01% 3192
2026
Q1
$618K Buy
+264,115
New +$627K ﹤0.01% 3146

Other funds holding SPRO

Vanguard Fiduciary Trust's SPRO Position: Q2 2026 in Review

Vanguard Fiduciary Trust increased its Spero Therapeutics (SPRO) stake by 8.9% in Q2 2026, buying an estimated $61.6K and bringing the position to 287,648 shares worth $636K. The position accounts for ﹤0.01% of the portfolio, ranked #3192.

Vanguard Fiduciary Trust first reported a position in SPRO in Q1 2026 and has held it in 2 quarters since. 60 funds tracked by Wall St. Rank hold SPRO as of Q2 2026.

  • Vanguard Fiduciary Trust held 287,648 shares of Spero Therapeutics worth $636K as of Q2 2026.
  • Vanguard Fiduciary Trust bought 23,533 Spero Therapeutics shares in Q2 2026, an estimated $61.6K.
  • Spero Therapeutics made up ﹤0.01% of Vanguard Fiduciary Trust's portfolio in Q2 2026, its #3192 holding.
  • Vanguard Fiduciary Trust first reported a position in Spero Therapeutics in Q1 2026 and has held it in 2 quarters since.
  • 60 funds tracked by Wall St. Rank held Spero Therapeutics as of Q2 2026.

Based on Vanguard Fiduciary Trust's 13F filing for Q2 2026, filed 13 Aug 2026.