Market Pulse · Shareholders & Street

Ownership & institutional flows

Every S&P 500 company that raised Ownership & institutional flows in its filings, earnings calls, press releases or news coverage over the last 7 days — grouped by the canonical driver, so the same subject lines up across companies whatever each called it.

7 companies · 11 events · 1 mixed · 6 no estimate (counted in companies, so the parts add up)

Companies raising Ownership & institutional flows

• BRK-B — Portfolio Concentration in Top StocksImportance 52 · Surprise 42
  BERKSHIRE HATHAWAY INC · News · 2026-09-30
  As of September 2026, more than $42 billion of Berkshire Hathaway’s $358 billion investment portfolio was invested in three companies described as virtual monopolies. The concentration represents more than…
• JPM — Institutional Ownership IncreaseImportance 45 · Surprise 64
  JPMORGAN CHASE & CO · News · 2026-10-01 · 5 events
  Saudi Central Bank increased its JPMorgan stake by 86.9% during the second quarter of 2026. Its holdings reached 187,756 shares valued at approximately $61.5 million. The increase exceeds the 10% year-over-year…
• BX — Institutional Stake ReductionImportance 43 · Surprise 82
  Blackstone Inc. · News · 2026-09-30
  Bx Buzz Ml-1 Gp LLC sold 3,767,776 Blackstone shares for more than $11 million on September 30, 2026. The sale reduced the shareholder’s Blackstone position by 99.57%. The transaction followed Blackstone’s reported…
• META — Institutional Ownership ChangesImportance 34 · Surprise 46
  Meta Platforms, Inc. · News · 2026-10-01
  Darsana Capital Partners acquired 300,000 Meta shares valued at approximately $168,987,000 during the second quarter. Junto Capital Management increased its Meta holdings by 104.1% by purchasing 56,537 shares, ending…
• NVDA — Institutional Ownership ChangesImportance 33 · Surprise 64
  NVIDIA CORP · News · 2026-10-01
  Lee Johnson Capital Management reduced its NVIDIA position by 13.1% in the second quarter, selling 4,730 shares and retaining 31,378 shares. Two Sigma Securities reduced its position by 61.3%, selling 6,103 shares and…
• BLK — Institutional Ownership ChangesImportance 21 · Surprise 32
  BlackRock, Inc. · News · 2026-09-30
  BlackRock reported total voting rights of 13.42% in Rentokil Initial plc after crossing a notification threshold on September 28, 2026. The position comprised 9.98% of direct share-attached voting rights and 3.44%…
• PLD — Institutional Ownership ChangesImportance 17 · Surprise 24
  Prologis, Inc. · News · 2026-09-29
  The Vanguard Group disclosed ownership of 13.49% of Prologis common shares under Rule 8.3 of the Takeover Code. The filing also reported Vanguard’s recent purchases and sales of Prologis securities. The disclosure was…

Other Shareholders & Street themes

• Analyst actions