Biohaven
BHVN
277 hedge funds and large institutions have $1.2B invested in Biohaven in 2026 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 119 increasing their positions, 63 reducing their positions, and 34 closing their positions.
264% more call options, than puts
Call options by funds: $20.3M | Put options by funds: $5.58M
89% more repeat investments, than reductions
Existing positions increased: 119 | Existing positions reduced: 63
29% more first-time investments, than exits
New positions opened: 44 | Existing positions closed: 34
2% more funds holding
Funds holding: 272 → 277 (+5)
12% less capital invested
Capital invested by funds: $1.37B → $1.2B (-$169M)
20.26% less ownership
Funds ownership: 114.71% → 94.46% (-20%)
38% less funds holding in top 10
Funds holding in top 10: 8 → 5 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Janus Henderson Group
London,
|
+$176M |
| 2 |
BlackRock
New York
|
+$19.4M |
| 3 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
+$19.1M |
| 4 |
SC
Stempoint Capital
New York
|
+$17.4M |
| 5 |
Adage Capital Partners
Boston,
Massachusetts
|
+$14.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SSA
Schonfeld Strategic Advisors
New York
|
-$18.1M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$11.3M |
| 3 |
AFM
Anson Funds Management
Dallas,
Texas
|
-$7.53M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
-$7.38M |
| 5 |
Walleye Capital
New York
|
-$7.12M |
BHVN Hedge Fund Activity: Q1 2026 in Review
277 of the 8,180 institutional investors tracked by Wall St. Rank reported a position in Biohaven (BHVN) for Q1 2026, worth a combined $1.2B — down 12% from $1.37B a quarter earlier.
Buyers outnumbered sellers: 44 funds opened new BHVN positions and 34 closed out — a net gain of 10 holders — while 119 added to existing stakes and 63 trimmed.
The largest buyer was Janus Henderson Group, adding an estimated $176M. The largest seller was Schonfeld Strategic Advisors, exiting entirely with an estimated $18.1M sold.
- 277 institutional investors held Biohaven (BHVN) as of Q1 2026, up from 272 in Q4 2025.
- Funds reported $1.2B of Biohaven stock for Q1 2026, down 12% quarter-over-quarter.
- 44 funds opened new Biohaven positions in Q1 2026 and 34 closed out, a net change of +10 holders.
- The largest Biohaven buyer in Q1 2026 was Janus Henderson Group, an estimated $176M added.
- The largest Biohaven seller in Q1 2026 was Schonfeld Strategic Advisors, an estimated $18.1M sold.
Based on aggregated 13F filings for Q1 2026.