Starling Oncology
STLN
43 hedge funds and large institutions have $19.4M invested in Starling Oncology in 2025 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 8 increasing their positions, 7 reducing their positions, and 3 closing their positions.
400% more first-time investments, than exits
New positions opened: 15 | Existing positions closed: 3
322% more capital invested
Capital invested by funds: $4.61M → $19.4M (+$14.8M)
39% more funds holding
Funds holding: 31 → 43 (+12)
14% more repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 7
3.04% more ownership
Funds ownership: 19.47% → 22.51% (+3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JAIC
Josh Arnold Investment Consultant
Edina,
Minnesota
|
+$1.54M |
| 2 |
Balyasny Asset Management
Chicago,
Illinois
|
+$327K |
| 3 |
MHP
Manatuck Hill Partners
Westport,
Connecticut
|
+$271K |
| 4 |
BRF
B. Riley Financial
Los Angeles,
California
|
+$116K |
| 5 |
Goldman Sachs
New York
|
+$89.1K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CI
Cincinnati Insurance
Fairfield,
Ohio
|
-$614K |
| 2 |
FL
FreeGulliver LLC
New Orleans,
Louisiana
|
-$43.7K |
| 3 |
VF
Virtu Financial
New York
|
-$41K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$40.2K |
| 5 |
Jane Street
New York
|
-$39.4K |
STLN Hedge Fund Activity: Q1 2025 in Review
43 of the 7,473 institutional investors tracked by Wall St. Rank reported a position in Starling Oncology (STLN) for Q1 2025, worth a combined $19.4M — up 322% from $4.61M a quarter earlier.
Buyers outnumbered sellers: 15 funds opened new STLN positions and 3 closed out — a net gain of 12 holders — while 8 added to existing stakes and 7 trimmed.
The largest buyer was Josh Arnold Investment Consultant, opening a new position worth an estimated $1.54M. The largest seller was Cincinnati Insurance, cutting an estimated $614K.
- 43 institutional investors held Starling Oncology (STLN) as of Q1 2025, up from 31 in Q4 2024.
- Funds reported $19.4M of Starling Oncology stock for Q1 2025, up 322% quarter-over-quarter.
- 15 funds opened new Starling Oncology positions in Q1 2025 and 3 closed out, a net change of +12 holders.
- The largest Starling Oncology buyer in Q1 2025 was Josh Arnold Investment Consultant, an estimated $1.54M added.
- The largest Starling Oncology seller in Q1 2025 was Cincinnati Insurance, an estimated $614K sold.
Based on aggregated 13F filings for Q1 2025.