Purple Biotech
PPBT
19 hedge funds and large institutions have $513K invested in Purple Biotech in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, 5 increasing their positions, 4 reducing their positions, and 3 closing their positions.
576% more capital invested
Capital invested by funds: $75.9K → $513K (+$437K)
100% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 3
25% more repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 4
19% more funds holding
Funds holding: 16 → 19 (+3)
0.69% more ownership
Funds ownership: 0.15% → 0.84% (+0.69%)
73% less call options, than puts
Call options by funds: $9K | Put options by funds: $33K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$341K |
| 2 |
Two Sigma Investments
New York
|
+$113K |
| 3 |
Two Sigma Advisers
New York
|
+$10.7K |
| 4 |
BNP Paribas Financial Markets
Paris,
France
|
+$7.11K |
| 5 |
Simplex Trading
Chicago,
Illinois
|
+$6.58K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VF
Virtu Financial
New York
|
-$28K |
| 2 |
GI
GAMMA Investing
Foster City,
California
|
-$7.12K |
| 3 |
Morgan Stanley
New York
|
-$3.61K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$2.07K |
| 5 |
TCM
Tradewinds Capital Management
Bellingham,
Washington
|
-$65 |
PPBT Hedge Fund Activity: Q4 2025 in Review
19 of the 8,270 institutional investors tracked by Wall St. Rank reported a position in Purple Biotech (PPBT) for Q4 2025, worth a combined $513K — up 576% from $75.9K a quarter earlier.
Buyers outnumbered sellers: 6 funds opened new PPBT positions and 3 closed out — a net gain of 3 holders — while 5 added to existing stakes and 4 trimmed.
The largest buyer was Susquehanna International Group, opening a new position worth an estimated $341K. The largest seller was Virtu Financial, exiting entirely with an estimated $28K sold.
- 19 institutional investors held Purple Biotech (PPBT) as of Q4 2025, up from 16 in Q3 2025.
- Funds reported $513K of Purple Biotech stock for Q4 2025, up 576% quarter-over-quarter.
- 6 funds opened new Purple Biotech positions in Q4 2025 and 3 closed out, a net change of +3 holders.
- The largest Purple Biotech buyer in Q4 2025 was Susquehanna International Group, an estimated $341K added.
- The largest Purple Biotech seller in Q4 2025 was Virtu Financial, an estimated $28K sold.
Based on aggregated 13F filings for Q4 2025.