Cellectar Biosciences
CLRB
21 hedge funds and large institutions have $1.65M invested in Cellectar Biosciences in 2025 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 7 increasing their positions, 3 reducing their positions, and 4 closing their positions.
133% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 3
125% more capital invested
Capital invested by funds: $734K → $1.65M (+$916K)
50% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 4
11% more funds holding
Funds holding: 19 → 21 (+2)
3.57% more ownership
Funds ownership: 5.71% → 9.28% (+3.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BL
Bleichroeder LP
New York
|
+$495K |
| 2 |
Renaissance Technologies
New York
|
+$123K |
| 3 |
DS
DRW Securities
Chicago,
Illinois
|
+$105K |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$91.8K |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$64.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HF
HRT Financial
New York
|
-$89K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$13.4K |
| 3 |
Simplex Trading
Chicago,
Illinois
|
-$1K |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
-$946 |
| 5 |
RCA
Riverview Capital Advisers
Boston,
Massachusetts
|
-$575 |
CLRB Hedge Fund Activity: Q3 2025 in Review
21 of the 7,645 institutional investors tracked by Wall St. Rank reported a position in Cellectar Biosciences (CLRB) for Q3 2025, worth a combined $1.65M — up 125% from $734K a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new CLRB positions and 4 closed out — a net gain of 2 holders — while 7 added to existing stakes and 3 trimmed.
The largest buyer was Bleichroeder LP, opening a new position worth an estimated $495K. The largest seller was HRT Financial, exiting entirely with an estimated $89K sold.
- 21 institutional investors held Cellectar Biosciences (CLRB) as of Q3 2025, up from 19 in Q2 2025.
- Funds reported $1.65M of Cellectar Biosciences stock for Q3 2025, up 125% quarter-over-quarter.
- 6 funds opened new Cellectar Biosciences positions in Q3 2025 and 4 closed out, a net change of +2 holders.
- The largest Cellectar Biosciences buyer in Q3 2025 was Bleichroeder LP, an estimated $495K added.
- The largest Cellectar Biosciences seller in Q3 2025 was HRT Financial, an estimated $89K sold.
Based on aggregated 13F filings for Q3 2025.