AltMountain

Perceptive Advisors

New York, NY · CRD 154703
Hedge fund manager

Perceptive Advisors is an SEC-registered investment adviser based in New York, NY that reports managing 6 hedge funds on Form ADV. It reports $11.8 billion in regulatory assets under management. Its private funds, of all types, hold $11.7 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +25.8% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +103.5% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$11.8 billionForm ADV Item 5.F
Gross assets of private funds
$11.7 billionAll private fund types, Form ADV
Hedge funds managed
617 private funds in total
Employees
49Form ADV Item 5.A
Registration
SEC-registered adviserCRD 154703
Latest Form ADV
07/13/2026Disciplinary disclosures: yes, see SEC record

Estimated 13F portfolio performance

Est. 2026 YTD+25.8%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+103.5%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$6.4 billion101 positions, 2026-06-30
$94$149$203Q3 2024Q1 2025Q3 2025Q1 202613F est. $203S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+21.6%+14.8%
Q1 2026+3.5%-4.6%
Q4 2025+28.1%+2.4%
Q3 2025+26.7%+7.8%
Q2 2025+6.1%+10.4%
Q1 2025-11.4%-4.5%
Q4 2024-9.8%+2.1%
Q3 2024+17.5%+5.4%

Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures

Largest disclosed holdings

  • Praxis Precision Medicines I$681.6 million
  • Spyre Therapeutics Inc$383.5 million
  • Celcuity Inc$334.5 million
  • K08588103$310.4 million
  • Rhythm Pharmaceuticals Inc$287.2 million
  • Roivant Sciences LTD SHS$286.1 million
  • Relay Therapeutics Inc$263.9 million
  • Travere Therapeutics Inc$213.2 million
  • 485925101$195.6 million
  • Nuvalent Inc$195.2 million

As of 2026-06-30, from 13F filing by Perceptive Advisors LLC.

Hedge funds filing Form D (3)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Private equity funds filing Form D (5)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Private funds reported on Form ADV (20)

Fund
Gross assets
Minimum
Owners
Adviser
Perceptive Life Sciences Master Fund, LTD
Cayman IslandsHedge fund
Gross assets$5.6B
Minimum$1.0M
Owners400
AdviserPerceptive Advisors
Perceptive Credit Opportunities Fund IV, LP
Delaware, United StatesHedge fund
Gross assets$1.4B
Minimum$5.0M
Owners285
AdviserPerceptive Advisors
Perceptive Credit Opportunities Fund III, LP
Delaware, United StatesHedge fund
Gross assets$1.1B
Minimum$5.0M
Owners151
AdviserPerceptive Advisors
Perceptive Credit Opportunities Fund II, LP
Delaware, United StatesHedge fund
Gross assets$540M
Minimum$5.0M
Owners123
AdviserPerceptive Advisors
Perceptive Xontogeny Venture Fund II, LP
Delaware, United StatesVenture capital fund
Gross assets$508M
Minimum$500K
Owners181
AdviserPerceptive Advisors
Pcof Phoenix II Fund, LP
Delaware, United StatesHedge fund
Gross assets$207M
Minimum$5.0M
Owners4
AdviserPerceptive Advisors
Perceptive Xontogeny Venture Fund, LP
Delaware, United StatesVenture capital fund
Gross assets$179M
Minimum$500K
Owners134
AdviserPerceptive Advisors
LEV Lb Holdings, LP
Delaware, United StatesPrivate equity fund
Gross assets$97.8M
MinimumNone set
Owners37
AdviserPerceptive Advisors
Pcof Eq Aiv III, LP
Delaware, United StatesPrivate fund
Gross assets$7.0M
MinimumNone set
Owners101
AdviserPerceptive Advisors
Perceptive Ls (A), LLC
Delaware, United StatesPrivate equity fund
Gross assets$6.8M
MinimumNone set
Owners5
AdviserPerceptive Advisors
Pcof Eq Aiv II, LP
Delaware, United StatesPrivate fund
Gross assets$4.0M
MinimumNone set
Owners48
AdviserPerceptive Advisors
PX Venture (C), LLC
Delaware, United StatesPrivate equity fund
Gross assets$3.9M
MinimumNone set
Owners1
AdviserPerceptive Advisors
Perceptive SP (C), LP
Delaware, United StatesPrivate equity fund
Gross assets$3.9M
MinimumNone set
Owners5
AdviserPerceptive Advisors
PX Venture (A), LLC
Delaware, United StatesPrivate equity fund
Gross assets$2.1M
MinimumNone set
Owners5
AdviserPerceptive Advisors
PX Venture (B), LLC
Delaware, United StatesPrivate equity fund
Gross assets$416K
MinimumNone set
Owners15
AdviserPerceptive Advisors
Perceptive SP (E), LP
Delaware, United StatesPrivate equity fund
Gross assets$8K
MinimumNone set
Owners1
AdviserPerceptive Advisors
Perceptive Discovery Fund a LP
Delaware, United StatesPrivate equity fund
Gross assets$0
Minimum$1.0M
Owners0
AdviserPerceptive Advisors
Pcof Eq Aiv IV, LP
Delaware, United StatesPrivate fund
Gross assets$0
MinimumNone set
Owners118
AdviserPerceptive Advisors
Perceptive Discovery Fund LP
Delaware, United StatesPrivate equity fund
Gross assets$0
Minimum$1.0M
Owners0
AdviserPerceptive Advisors
Pcof Phoenix II Aiv III, LP
Delaware, United StatesPrivate fund
Gross assets$0
MinimumNone set
Owners1
AdviserPerceptive Advisors

As reported in the adviser's Form ADV filed Aug 8, 2024. Funds also listed from Form D are shown above.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures