Who owns PRAX? 13F holders and whale ownership
PRAX is tracked across public portfolios in Whale Analyzer. This page answers who owns PRAX, which top funds are buying PRAX, aggregate disclosed value, and recent position changes based on public data. Joseph Edelman is the largest reported holder at $656M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (4 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $78.22. Top tracked holders include Joseph Edelman, Baker Bros. Advisors, Peter Kolchinsky, and Samuel Isaly.
Continue to the live PRAX dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Joseph Edelman 13F portfolio Perceptive Advisors holdings | $656.0M | 2.0M | Increased |
| Baker Bros. Advisors 13F portfolio Baker Bros. Advisors holdings | $564.9M | 1.8M | Increased |
| Peter Kolchinsky 13F portfolio RA Capital Management holdings | $120.4M | 373.8K | Held |
| Samuel Isaly 13F portfolio OrbiMed Advisors holdings | $55.6M | 172.5K | Increased |
| Polen Capital 13F portfolio Polen Capital Management holdings | $3.2M | 10.0K | New |
Ownership concentration
Reported ownership of PRAX is highly concentrated across tracked institutions.
- Single largest holder: 46.9% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 5 tracked institutions, 4 increased, 1 held. Net positioning is net buying.
- Joseph Edelman — Perceptive Advisors ($656.0M) (▲ 2.0% qoq shares) · avg cost $32.86
- Baker Bros. Advisors — Baker Bros. Advisors ($564.9M) (▲ 55.6% qoq shares) · avg cost $129.69
- Peter Kolchinsky — RA Capital Management ($120.4M) (→ 0.0% qoq shares)
- Samuel Isaly — OrbiMed Advisors ($55.6M) (▲ 82.5% qoq shares)
- Polen Capital — Polen Capital Management ($3.2M) · avg cost $288.45
Whale cost basis vs current price
The aggregate tracked cost basis is $78.22 versus a current price of $327.79, so PRAX trades above its cost basis (+319.1%). Average unrealized P&L across tracked holders: 366%.
Sector positioning — Health Care
PRAX sits within the Health Care sector alongside 221 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live PRAX dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
- CELC whale holders — CELCUITY INC
- ASND whale holders — ASCENDIS PHARMA A/S
- ROIV whale holders — ROIVANT SCIENCES LTD
- CNTA whale holders — CENTESSA PHARMACEUTICALS PLC
- RYTM whale holders — RHYTHM PHARMACEUTICALS INC
- SYRE whale holders — SPYRE THERAPEUTICS INC
- NUVL whale holders — NUVALENT INC
- EWTX whale holders — EDGEWISE THERAPEUTICS INC
Learn more in Whale Analyzer Academy
Deepen your read on PRAX with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns PRAX stock?
Whale Analyzer tracks 5 public institutional holders of PRAX with a combined reported value of $1.40B. See the holder table above for the largest tracked positions.
Which top funds are buying PRAX?
Tracked institutions were net buying last quarter — 4 increased, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is PRAX ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is PRAX above or below the whale cost basis?
The aggregate tracked cost basis is $78.22 versus a current price of $327.79 (+319.1%).
What does 13F ownership mean for PRAX?
Use the interactive PRAX dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.