Inhibrx
INBX
162 hedge funds and large institutions have $1.36B invested in Inhibrx in 2026 Q2 according to their latest regulatory filings, with 51 funds opening new positions, 56 increasing their positions, 39 reducing their positions, and 21 closing their positions.
596% more call options, than puts
Call options by funds: $31.9M | Put options by funds: $4.59M
143% more first-time investments, than exits
New positions opened: 51 | Existing positions closed: 21
119% more capital inflows, than outflows
Capital inflows: $319M | Capital outflows: $146M
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
44% more repeat investments, than reductions
Existing positions increased: 56 | Existing positions reduced: 39
20% more funds holding
Funds holding: 135 → 162 (+27)
10.64% more ownership
Funds ownership: 87.04% → 97.68% (+11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$81M |
| 2 |
Schonfeld Strategic Advisors
New York
|
+$44.4M |
| 3 |
Parkman Healthcare Partners
Stamford,
Connecticut
|
+$25.7M |
| 4 |
Goldman Sachs
New York
|
+$24.4M |
| 5 |
First Turn Management
Del Mar,
California
|
+$16.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Viking Global Investors
Stamford,
Connecticut
|
-$31.4M |
| 2 |
Millennium Management
New York
|
-$18.1M |
| 3 |
Perceptive Advisors
New York
|
-$14.5M |
| 4 |
SummitTX Capital
Fort Worth,
Texas
|
-$12.3M |
| 5 |
Sofinnova Investments
Menlo Park,
California
|
-$10.3M |
INBX Hedge Fund Activity: Q2 2026 in Review
162 of the 8,358 institutional investors tracked by Wall St. Rank reported a position in Inhibrx (INBX) for Q2 2026, worth a combined $1.36B — up 59% from $855M a quarter earlier.
Buyers outnumbered sellers: 51 funds opened new INBX positions and 21 closed out — a net gain of 30 holders — while 56 added to existing stakes and 39 trimmed.
The largest buyer was Bank of America, adding an estimated $81M. The largest seller was Viking Global Investors, cutting an estimated $31.4M.
- 162 institutional investors held Inhibrx (INBX) as of Q2 2026, up from 135 in Q1 2026.
- Funds reported $1.36B of Inhibrx stock for Q2 2026, up 59% quarter-over-quarter.
- 51 funds opened new Inhibrx positions in Q2 2026 and 21 closed out, a net change of +30 holders.
- The largest Inhibrx buyer in Q2 2026 was Bank of America, an estimated $81M added.
- The largest Inhibrx seller in Q2 2026 was Viking Global Investors, an estimated $31.4M sold.
Based on aggregated 13F filings for Q2 2026.