VivoSim Labs
VIVS
27 hedge funds and large institutions have $189K invested in VivoSim Labs in 2025 Q4 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 7 closing their positions.
4.48% less ownership
Funds ownership: 8.49% → 4.01% (-4.5%)
7% less funds holding
Funds holding: 29 → 27 (-2)
29% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 7
40% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 5
71% less capital invested
Capital invested by funds: $644K → $189K (-$455K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$46.3K |
| 2 |
Citigroup
New York
|
+$11.4K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$6.43K |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$1.63K |
| 5 |
LFG
Larson Financial Group
St Louis,
Missouri
|
+$395 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DS
DRW Securities
Chicago,
Illinois
|
-$197K |
| 2 |
HF
HRT Financial
New York
|
-$92K |
| 3 |
TSS
Two Sigma Securities
New York
|
-$53.2K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$36.1K |
| 5 |
Two Sigma Investments
New York
|
-$27K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
HHCP
26
Hilton Head Capital Partners
Hilton Head Island,
South Carolina
| $2 | +$2 | +1 | New |
|
|
DS
27
DRW Securities
Chicago,
Illinois
| – | -$197K | -67,482 | Closed |
|
|
HF
28
HRT Financial
New York
| – | -$92K | -31,602 | Closed |
|
|
TSS
29
Two Sigma Securities
New York
| – | -$53.2K | -18,214 | Closed |
|
|
SIS
30
Sound Income Strategies
Ft Lauderdale,
Florida
| – | -$219 | -66 | Closed |
|
31
Fidelity Investments
Boston,
Massachusetts
| – | -$73 | -25 | Closed |
|
32
DZ Bank
Frankfurt Am Main,
Germany
| – | -$46 | -16 | Closed |
|
|
IA
33
IFP Advisors
Tampa,
Florida
| – | -$12 | -4 | Closed |
|
34
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | +$5 | +2 | New |
|
VIVS Hedge Fund Activity: Q4 2025 in Review
27 of the 8,229 institutional investors tracked by Wall St. Rank reported a position in VivoSim Labs (VIVS) for Q4 2025, worth a combined $189K — down 71% from $644K a quarter earlier.
Sellers outnumbered buyers: 7 funds closed out of VIVS and 5 opened new positions — a net loss of 2 holders — while 5 trimmed existing stakes and 3 added.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $46.3K. The largest seller was DRW Securities, exiting entirely with an estimated $197K sold.
- 27 institutional investors held VivoSim Labs (VIVS) as of Q4 2025, down from 29 in Q3 2025.
- Funds reported $189K of VivoSim Labs stock for Q4 2025, down 71% quarter-over-quarter.
- 5 funds opened new VivoSim Labs positions in Q4 2025 and 7 closed out, a net change of -2 holders.
- The largest VivoSim Labs buyer in Q4 2025 was Citadel Advisors, an estimated $46.3K added.
- The largest VivoSim Labs seller in Q4 2025 was DRW Securities, an estimated $197K sold.
Based on aggregated 13F filings for Q4 2025.