SPRO

SPERO THERAPEUTICS INC
USCUSIP 84833T103
Institutional Owners
16
+2 QoQ
13F Value Held
$8.3M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)9 adding · 3 trimming
Insider net (180d)+$0
Price history not yet available for SPRO.

Top institutional holders

16 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD CAPITAL MANAGEMENT LLC
$4.2M
1.80MNewQ1 2026
2Alphabet Inc.
$2.1M
890.0KHeldQ1 2026
3VANGUARD FIDUCIARY TRUST CO
$618K
264.1KNewQ1 2026
4STATE STREET CORP
$503K
214.8KAddedQ1 2026
5BRIDGEWAY CAPITAL MANAGEMENT, LLC
$269K
114.8KHeldQ1 2026
6CITADEL ADVISORS LLC
$209K
89.4KAddedQ1 2026
7Point72 Asset Management, L.P.
$140K
59.7KAddedQ1 2026
8Quadrature Capital Ltd
$94K
40.1KAddedQ1 2026
9Capital Asset Advisory Services LLC
$92K
32.5KHeldQ1 2026
10Schonfeld Strategic Advisors LLC
$48K
20.3KNewQ1 2026
11OCCUDO QUANTITATIVE STRATEGIES LP
$41K
16.4KNewQ1 2026
12Rockefeller Capital Management L.P.
$466
200NewQ4 2025
13SBI Securities Co., Ltd.
$21
9HeldQ1 2026

Fund activity — latest quarter

Opened (NEW)
5
funds
Added
4
funds
Reduced
0
funds
Exited
3
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

14 funds+13 since Q2 2022
0714Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $8M

Funds that own SPRO also own

CompanyCo-held byCombined value
Microsoft CorpMSFT13 funds$117.3B
Amazon Com IncAMZN13 funds$86.0B
Alphabet CGOOG13 funds$55.0B
Eli Lilly & CoLLY13 funds$33.8B
Visa Inc AV13 funds$26.0B
Costco Wholesale CorpCOST13 funds$19.3B
RTX CorpRTX13 funds$18.7B
Netflix IncNFLX13 funds$17.0B
Advanced Micro Devices IncAMD13 funds$16.1B
Bristol-Myers Squibb CoBMY13 funds$6.2B
Automatic Data Processing IncADP13 funds$4.2B
General MotorsGM13 funds$3.5B

Ranked by how many of SPRO's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SPRO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.