VIVS
VivoSim Labs, INC.Company with tickers: VIVS
CIK
1497253
CUSIP
68620A302
Shares Outstanding
2,894,519
13F Activity (30d)
20 filings
18 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 24
Total Value: $139,986
Total Shares: 97,903
Institutional Ownership Trend
Holder Concentration
Across 24 13F filers · Δ vs Dec 31, 2025Top Holder
37.6%
+16.2 pts
Top 5
89.0%
+6.6 pts
Top 10
99.4%
+0.1 pts
HHI
2,181
Moderately concentrated
+604
Quarterly Activity
vs Dec 31, 2025
New
5
Increased
4
Decreased
2
Sold Out
8
Unchanged
13
Holder count:
-3
Institutional value:
-26.0%
Shares held:
-6.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +16,201 | 36,850 | |
| Mega CITIGROUP INC | +1,630 | 6,504 | |
| Mega UBS Group AG | +936 | 952 | |
| Mid Tower Research Capital LLC (TRC) | +420 | 2,308 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega MORGAN STANLEY | −18 | 50 | |
| Mega WELLS FARGO & COMPANY/MN | −6 | 111 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega GOLDMAN SACHS GROUP INC | 16,072 | $22,982 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 15,371 | $21,980 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 7,003 | $10,014 | |
| Small Caitong International Asset Management Co., Ltd | 3 | $4 | |
| Small Activest Wealth Management | 2 | $2 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 22,374 | $40,496 | |
| Mega CITADEL ADVISORS LLC | 19,449 | $35,202 | |
| Mega TWO SIGMA INVESTMENTS, LP | 11,830 | $21,412 | |
| Mega NORTHERN TRUST CORP | 10,535 | $19,067 | |
| Mid Farther Finance Advisors, LLC | 58 | $104 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | $52,695 | 37.64% | 36,850 | Shares | Defined | 2026-05-15 | ||||
| Mega GOLDMAN SACHS GROUP INC | $22,982 | 16.42% | 16,072 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $21,980 | 15.70% | 15,371 | Shares | Defined | 2026-05-15 | ||||
| Mega BlackRock, Inc. | $16,898 | 12.07% | 11,817 | Shares | Sole | 2026-05-13 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $10,014 | 7.15% | 7,003 | Shares | Defined | 2026-05-08 | ||||
| Mega CITIGROUP INC | $9,300 | 6.64% | 6,504 | Shares | Defined | 2026-05-11 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,300 | 2.36% | 2,308 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $1,360 | 0.97% | 952 | Shares | Defined | 2026-05-05 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $316 | 0.23% | 221 | Shares | Defined | 2026-04-28 | ||||
| Mid Allworth Financial LP | $297 | 0.21% | 208 | Shares | Sole | 2026-05-15 | ||||
| Mid Larson Financial Group LLC | $237 | 0.17% | 166 | Shares | Sole | 2026-05-15 | ||||
| Small ALBION FINANCIAL GROUP /UT | $227 | 0.16% | 159 | Shares | Sole | 2026-04-27 | ||||
| Mega WELLS FARGO & COMPANY/MN | $158 | 0.11% | 111 | Shares | Defined | 2026-05-11 | ||||
| Large OSAIC HOLDINGS, INC. | $134 | 0.10% | 95 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $71 | 0.05% | 50 | Shares | Defined | 2026-05-15 | ||||
| Small Caitong International Asset Management Co., Ltd | $4 | 0.00% | 3 | Shares | Sole | 2026-05-11 | ||||
| Small Golden State Wealth Management, LLC | $2 | 0.00% | 2 | Shares | Sole | 2026-04-28 | ||||
| Large Rockefeller Capital Management L.P. | $2 | 0.00% | 2 | Shares | Defined | 2026-05-14 | ||||
| Large Federation des caisses Desjardins du Quebec | $2 | 0.00% | 2 | Shares | Defined | 2026-05-14 | ||||
| Mega ROYAL BANK OF CANADA Bank | $2 | 0.00% | 2 | Shares | Defined | 2026-05-15 | ||||
| Small Activest Wealth Management | $2 | 0.00% | 2 | Shares | Sole | 2026-04-15 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $1 | 0.00% | 1 | Shares | Sole | 2026-05-15 | ||||
| Small Hilton Head Capital Partners, LLC | $1 | 0.00% | 1 | Shares | Sole | 2026-04-20 | ||||
| Small First Command Advisory Services, Inc. | $1 | 0.00% | 1 | Shares | Sole | 2026-05-07 | ||||
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