Ticker · CUSIP 92337C203
Holders (tracked)
10
Combined shares
5,017,015
Combined value
$38.73M
Last close
$6.58
Quarter
2025Q4
Price · 1Y$6.58+0.84 (+14.63%)H $10.77 · L $4.15 · Avg Vol 2.2M
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is -14.8% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
16 events
- D.E. Shaw & Co. trimmed2026-02-17−23,744 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+52,640 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−604,469 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+2,168,625 shares · 2025Q4Position
- Steve Cohen (Point72) trimmed2026-02-17−2,884,338 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−550,796 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−9,497 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−8,309 shares · 2025Q4Position
- AQR Capital Management added2025-11-14+15,037 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+1,106,211 shares · 2025Q3Position
- Steve Cohen (Point72) opened position2025-11-14+3,879,364 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−162,769 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+362,597 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+555,377 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−13,317 shares · 2025Q3Position
- Renaissance Technologies exited2025-11-13−98,600 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of VSTM…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Two Sigma Investments | 2023Q2 | $4.52 | +45.7% | $3.1M |
| AQR Capital Management | 2024Q3 | $5.60 | +17.4% | $322K |
| Wellington Management | 2025Q1 | $5.96 | +10.4% | $957K |
| Ken Griffin (Citadel Advisors) | 2023Q2 | $7.73 | -14.9% | $277K |
| Ken Griffin (Citadel Advisors) | 2023Q2 | $7.73 | -14.9% | $277K |
| Ken Griffin (Citadel Advisors) | 2023Q2 | $7.73 | -14.9% | $277K |
| T. Rowe Price | 2024Q3 | $8.63 | -23.7% | $179K |
| Izzy Englander (Millennium Mgmt) | 2023Q4 | $8.72 | -24.6% | $3.7M |
| D.E. Shaw & Co. | 2025Q3 | $8.83 | -25.5% | $2.2M |
| Steve Cohen (Point72) | 2024Q1 | $8.83 | -25.5% | $6.5M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to2
- Ken Griffin (Citadel Advisors)+2,168,625$16.7M
- Two Sigma Investments+52,640$406K
Trimmed6
- Steve Cohen (Point72)−2,884,338$22.3M
- Izzy Englander (Millennium Mgmt)−604,469$4.7M
- D.E. Shaw & Co.−23,744$183K
- Wellington Management−9,497$73K
- AQR Capital Management−8,309$64K
- T. Rowe Price−550,796$4K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2023Q2 | 7 | $23.7M |
| 2023Q3 | 7 | $30.5M |
| 2023Q4 | 8 | $28.5M |
| 2024Q1 | 9 | $41.1M |
| 2024Q2 | 6 | $5.1M |
| 2024Q3 | 7 | $660K |
| 2024Q4 | 7 | $2.8M |
| 2025Q1 | 7 | $3.4M |
| 2025Q2 | 8 | $4.3M |
| 2025Q3 | 10 | $60.9M |
| 2025Q4 | 10 | $38.7M |
Who owns VSTM
10 super-investors · 2025Q4
Tracked stake
5.02M
shares
Combined value
$39M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 2.35M | $18M |
| 2 | Steve Cohen Point72 | 995.0K | $8M |
| 3 | Izzy Englander Millennium Mgmt | 555.1K | $4M |
| 4 | Two Sigma Investments | 476.9K | $4M |
| 5 | D.E. Shaw & Co. | 338.9K | $3M |
| 6 | Wellington Management | 145.5K | $1M |
| 7 | AQR Capital Management | 49.0K | $378K |
| 8 | Ken Griffin Citadel Advisors | 42.1K | $325K |
| 9 | Ken Griffin Citadel Advisors | 33.8K | $261K |
| 10 | T. Rowe Price | 27.2K | $211K |
Recent moves
20 transactions
- +52,640 · 2025Q4
- TRIMT. Rowe Price−550,796 · 2025Q4
- −9,497 · 2025Q4
- +2,168,625 · 2025Q4
- −8,309 · 2025Q4
- TRIMD.E. Shaw & Co.−23,744 · 2025Q4
- −2,884,338 · 2025Q4
- −604,469 · 2025Q4
- −13,317 · 2025Q3
- +555,377 · 2025Q3
- +1,106,211 · 2025Q3
- −162,769 · 2025Q3
- +15,037 · 2025Q3
- +362,597 · 2025Q3
- +3,879,364 · 2025Q3
- −98,600 · 2025Q3
- +6,262 · 2025Q2
- +484,477 · 2025Q2
- −131,448 · 2025Q2
- +4,603 · 2025Q2
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