Pershing Square

Venture capital firm

Recent changes

  1. Sep 24, 2026Invested in Precision Neuroscience (Series D, $250M) GlobeNewswire

Portfolio

1 total

Recent Investment Activity

1

Track record: led 1 and participated in 0 of 1 tracked venture round · 1 in the last 12 months · led 1 Series D

DateCompanyEventRoleAmountValuationInvestorsSource
Sep 24, 2026Precision NeuroscienceSeries DLed$250M~$1BGlobeNewswire

Co-Investors

10

Latest Pulse

  1. Health AI Raised $655M+ In Just Three DealsOpenEvidence, Precision Neuroscience and Rightway alone pulled in more than $655 million in late-September rounds, underscoring how much AI capital is now flowing into healthcare specifically.→
  2. OpenEvidence Raises $250M Led By Andreessen HorowitzOpenEvidence, the Miami-based clinical search platform for physicians, raised a new $250 million round led by hospital systems and Andreessen Horowitz.→
  3. Precision Neuroscience Raises $250M For Brain ImplantsPrecision Neuroscience raised $250 million to advance its brain-computer interface technology, backed by Bill Ackman's Pershing Square and the Ackman Oxman Institute.→
  4. AI Agent Security Just Had A $1.15B WeekIsland, Cyera and BigHat Biosciences alone raised more than $1.1 billion this week to build the layer that governs what AI agents can access and do -- evidence the market has already priced in the exact failure mode this issue's lead story just demonstrated.→
  5. Precision Neuroscience Hits $1B Valuation On $250M RaisePrecision Neuroscience closed an oversubscribed $250 million Series D co-led by Bill Ackman's Pershing Square and his new Ackman Oxman Institute, valuing the brain-computer interface company at just over $1 billion.→
  6. Ackman Co-Leads Precision Neuroscience's $250M RoundPrecision Neuroscience closed an oversubscribed $250 million Series D co-led by Bill Ackman's Pershing Square, valuing the brain-computer interface company at just over $1 billion as it scales past 100 patient procedures.→

Pershing Square FAQ

What companies has Pershing Square invested in?

Pershing Square's portfolio includes Precision Neuroscience.

Who does Pershing Square co-invest with most?

In the rounds Value Add tracks, Pershing Square most often invests alongside Ackman Oxman Institute (1 shared deal), ARK Invest (1 shared deal), ARK Investment Management (1 shared deal), B Capital (1 shared deal), Duquesne Family Office (1 shared deal).

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