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PBA
Paradigm Biocapital Advisors Portfolio holdings
AUM
$4.89B
1-Year Est. Return
251.12%
This Fund
S&P 500
This Quarter
Est. Return
+45.21%
1 Year Est. Return
+251.12%
3 Year Est. Return
+670.11%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$3.92B
AUM Growth
+$402M
(+11%)
Cap. Flow
-$463M
Cap. Flow
% of AUM
-11.81%
Top 10 Holdings %
Top 10 Hldgs %
70.89%
Holding
44
New
8
Increased
12
Reduced
7
Closed
14
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Genmab
GMAB
|
+$100M |
| 2 |
ACLX
Arcellx
ACLX
|
+$85.8M |
| 3 |
ORKA
Oruka Therapeutics
ORKA
|
+$47.7M |
| 4 |
Lexeo Therapeutics
LXEO
|
+$43.5M |
| 5 |
Scholar Rock
SRRK
|
+$39.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
MRUS
Merus
MRUS
|
+$412M |
| 2 |
Agios Pharmaceuticals
AGIO
|
+$107M |
| 3 |
Janux Therapeutics
JANX
|
+$71.4M |
| 4 |
Alkermes
ALKS
|
+$51.6M |
| 5 |
LENZ
LENZ Therapeutics
LENZ
|
+$50M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Healthcare | 95.33% |
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Paradigm Biocapital Advisors's Q4 2025 Portfolio in Review
As of Q4 2025, Paradigm Biocapital Advisors held 44 positions worth $3.92B, up 11% from $3.52B the previous quarter. Its ten largest holdings account for 71% of the portfolio.
Paradigm Biocapital Advisors withdrew a net $463M in Q4 2025, closing 14 positions and reducing 7 holdings. Its most notable exit was Merus, an estimated $412M position sold in full.
By sector, the portfolio is most concentrated in Healthcare at 95% of assets, down from 96% a quarter earlier.
Against the trend, Paradigm Biocapital Advisors opened a new position in Oruka Therapeutics worth $51.8M.
- Paradigm Biocapital Advisors's largest Q4 2025 buy was Oruka Therapeutics: 1,710,316 shares worth $51.8M.
- Paradigm Biocapital Advisors added most to Genmab in Q4 2025, an estimated $100M increase.
- Paradigm Biocapital Advisors's biggest Q4 2025 reduction was Cidara Therapeutics, cutting an estimated $32.6M.
- Paradigm Biocapital Advisors fully exited Merus in Q4 2025, selling an estimated $412M.
- Paradigm Biocapital Advisors's ten largest holdings make up 71% of its $3.92B portfolio in Q4 2025.
- Paradigm Biocapital Advisors opened 8 new positions and closed 14 in Q4 2025.
- Paradigm Biocapital Advisors's portfolio value rose 11% quarter-over-quarter to $3.92B.
Based on Paradigm Biocapital Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.