TOMZ
TOMI Environmental Solutions, Inc.Company with tickers: TOMZ
CIK
314227
CUSIP
890023203
Shares Outstanding
21,700,465
13F Activity (30d)
14 filings
12 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: 16
Total Value: $534,898
Total Shares: 972,559
Institutional Ownership Trend
Holder Concentration
Across 16 13F filers · Δ vs Dec 31, 2025Top Holder
69.8%
+7.4 pts
Top 5
94.4%
+4.2 pts
Top 10
99.6%
+1.5 pts
HHI
5,107
Highly concentrated
+934
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
1
Decreased
3
Sold Out
7
Unchanged
8
Holder count:
-3
Institutional value:
-30.8%
Shares held:
-1.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | +1,562 | 4,062 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | −5,664 | 128,048 | |
| Mega CITIGROUP INC | −907 | 16 | |
| Mid Tower Research Capital LLC (TRC) | −282 | 3,932 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 679,241 | $373,582 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 39,592 | $21,775 | |
| Mega Vanguard Global Advisers, LLC | 4,432 | $2,437 | |
| Mega BlackRock, Inc. | 3 | $1 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 618,612 | $482,516 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 66,827 | $52,125 | |
| Large RENAISSANCE TECHNOLOGIES LLC | 22,700 | $17,706 | |
| Mid DRW Securities, LLC | 16,558 | $12,915 | |
| Mid XTX Topco Ltd | 11,315 | $8,825 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $373,582 | 69.84% | 679,241 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $70,425 | 13.17% | 128,048 | Shares | Defined | 2026-05-15 | ||||
| Mega STATE STREET CORP | $28,714 | 5.37% | 52,209 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $21,775 | 4.07% | 39,592 | Shares | Defined | 2026-05-08 | ||||
| Mid CHOREO, LLC | $10,475 | 1.96% | 19,046 | Shares | Sole | 2026-05-13 | ||||
| Mega NORTHERN TRUST CORP Bank | $8,709 | 1.63% | 15,835 | Shares | Defined | 2026-05-14 | ||||
| Micro Spinnaker Investment Group, LLC | $8,105 | 1.52% | 14,738 | Shares | Sole | 2026-04-08 | ||||
| Large COMMONWEALTH EQUITY SERVICES, LLC | $6,082 | 1.14% | 11,059 | Shares | Sole | 2026-04-27 | ||||
| Mega Vanguard Global Advisers, LLC | $2,437 | 0.46% | 4,432 | Shares | Defined | 2026-05-08 | ||||
| Mega UBS Group AG | $2,234 | 0.42% | 4,062 | Shares | Defined | 2026-05-05 | ||||
| Mid Tower Research Capital LLC (TRC) | $2,162 | 0.40% | 3,932 | Shares | Defined | 2026-05-15 | ||||
| Mid Allworth Financial LP | $189 | 0.04% | 344 | Shares | Sole | 2026-05-15 | ||||
| Mega CITIGROUP INC | $8 | 0.00% | 16 | Shares | Defined | 2026-05-11 | ||||
| Mega BlackRock, Inc. | $1 | 0.00% | 3 | Shares | Sole | 2026-05-13 | ||||
| Mega MORGAN STANLEY | $0 | 0.00% | 1 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $0 | 0.00% | 1 | Shares | Defined | 2026-04-28 | ||||
| No holders match your search. | ||||||||||