COMSCORE INC (SCOR) Institutional Ownership Changes & 13F Activity
COMSCORE INC (SCOR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Westerly Capital Management, Llc, Vanguard Capital Management Llc, Bridgeway Capital Management, Llc, Citadel Advisors Llc, and Susquehanna International Group, Llp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +23,230 | — | 23,230 | $171.44K | Q2 2026 | Sep 02, 2026 |
| Westerly Capital Management, Llc | Buy | +413,961 | +46.1% | 1,310,961 | $9.67M | Q2 2026 | Aug 14, 2026 |
| Bridgeway Capital Management, Llc | Buy | +59,837 | — | 59,837 | $441.60K | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +10,875 | — | 10,875 | $80.00K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +8,770 | +87700.0% | 8,780 | $64.80K | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -5,355 | -14.5% | 31,573 | $233.01K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Buy | +56 | — | 56 | $0.00 | Q2 2026 | Aug 14, 2026 |
| Vanguard Capital Management Llc | Buy | +153,511 | +82.0% | 340,770 | $2.51M | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Sell | -1,000 | -2.4% | 39,921 | $294.62K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +180 | +0.9% | 19,257 | $142.12K | Q2 2026 | Aug 13, 2026 |
| Bnp Paribas Financial Markets | Sell | -25 | -71.4% | 10 | $74.00 | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -398 | -0.6% | 63,325 | $467.42K | Q2 2026 | Aug 12, 2026 |
| Dimensional Fund Advisors Lp | Buy | +15,422 | — | 15,422 | $113.81K | Q2 2026 | Aug 11, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -324 | -21.3% | 1,194 | $8.81K | Q2 2026 | Aug 11, 2026 |
| Blackrock, Inc. | Buy | +12,086 | +31.0% | 51,058 | $376.81K | Q2 2026 | Aug 07, 2026 |
| Pinnacle Associates Ltd | Buy | +15,750 | — | 15,750 | $116.23K | Q2 2026 | Aug 03, 2026 |
| Susquehanna International Group, Llp | Sell | -20,702 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Rhumbline Advisers | Sell | -65 | -100.0% | 0 | $0.00 | Q2 2026 | May 12, 2026 |
| Pnc Financial Services Group, Inc. | Sell | -638 | -100.0% | 0 | $0.00 | Q2 2026 | May 08, 2026 |
| Ubs Group Ag | Sell | -1,159 | -100.0% | 0 | $0.00 | Q2 2026 | May 05, 2026 |
Frequently asked questions about SCOR activity
Which institutional owners are buying SCOR?
Institutional owners buying SCOR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SCOR activity?
"Buy" means an investor increased their reported position in SCOR compared to the prior reporting period. This reflects growing exposure to COMSCORE INC (SCOR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SCOR increasing?
Institutional interest in SCOR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related SCOR Institutional Insights
- SCOR Overview
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- Communication Services Sector Institutional Ownership
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- Institutional Portfolio Overlap & Shared Holdings
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- SCOR Insider Trading & SEC Form 4 Activity
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