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Spero Therapeutics Inc

SPRO
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2.280USD
+0.170+8.06%
Close 06/18, 16:00ETQuotes delayed by 15 min
128.63MMarket Cap
8.21P/E TTM

Institutional Confidence

Currency: USD Updated: 2026-06-18
Previous score
3.00
Change
0
The current institutional shareholding score of Spero Therapeutics Inc is 3.00, ranking 193 out of 389 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 20.40%, representing a quarter-over-quarter increase of 23.43%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 2.05% of shares outstanding, with 0.19% decrease in holdings.

Institutional Shareholding

Shareholder Activity

Name
Shares Held
Chg %
GSK plc
9.19M
--
Pfizer Inc
2.36M
--
Renaissance Technologies LLC
Star Investors
1.45M
+74.58%
Alphabet, Inc.
889.98K
--
Anson Funds Management LP.
1.60M
-0.74%
Two Sigma Investments, LP
589.17K
+1092.68%
Geode Capital Management, L.L.C.
527.48K
+3.29%
BlackRock Institutional Trust Company, N.A.
433.55K
--
Citadel Advisors LLC
397.86K
--
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