TIM S.A.
TIM S.A. (TIMB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TIMB · as of Sep 30, 2025
Ownership Breakdown
134
Institutional Holders
▲ 14 vs Q2
$431.67M
Total Inst. Value
▲ $53.31M vs Q2
477.73M
Shares Outstanding
freeFloat 99.89%
19.34M
13F Shares Held
▲ 539,581 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TIMB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V. telephone communications (no radiotelephone) | 3.47M | 71.68% | 71.68% | $77.46B | Oct 22, 2025 | ▼ 11.9K |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP telephone communications (no radiotelephone) | 1.98M | 40.94% | 40.94% | $44.24B | Nov 13, 2025 | ▼ 7.1K |
RENAISSANCE TECHNOLOGIES LLC telephone communications (no radiotelephone) | 1.77M | 36.47% | 36.47% | $39.41B | Nov 13, 2025 | ▲ 84.0K |
MACQUARIE GROUP LTD telephone communications (no radiotelephone) | 1.65M | 34.02% | 34.02% | $36.76B | Nov 13, 2025 | ▼ 32.5K |
BLACKROCK, INC. telephone communications (no radiotelephone) | 1.11M | 22.96% | 22.96% | $24.81B | Nov 12, 2025 | ▲ 135.9K |
CROSSMARK GLOBAL HOLDINGS, INC. telephone communications (no radiotelephone) | 644.6K | 13.31% | 13.31% | $14.39B | Nov 12, 2025 | ▼ 1.1K |
STATE STREET CORP telephone communications (no radiotelephone) | 624.5K | 12.90% | 12.90% | $14.25B | Nov 14, 2025 | ▲ 22.9K |
VANGUARD GROUP INC telephone communications (no radiotelephone) | 543.5K | 11.23% | 11.23% | $12.13B | Nov 7, 2025 | ▼ 1.4K |
AMERICAN CENTURY COMPANIES INC telephone communications (no radiotelephone) | 499.3K | 10.31% | 10.31% | $11.15B | Nov 12, 2025 | ▲ 53.8K |
UBS GROUP AG telephone communications (no radiotelephone) | 478.3K | 9.88% | 9.88% | $10.68B | Nov 13, 2025 | ▼ 194.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+1.26M shares4
New Positions
first time holders12
Decreased
−709.7K shares0
Sold Out
fully exitedNet shares change (top 50)
+549.0K
+1.26M / −709.7K
Net new holders
+22
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TIMB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
30
Buy transactions
1
Sell transactions
30.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Lima Auana Mattar Chief Information Officer | May 18, 2026 | Sale | 8,200 | $4.42 | $36.2K | 36.7K | Form 4 ↗ |
Ferreira Vicente De Moraes Investor Relations Officer | May 5, 2026 | Award | 3,584 | — | — | 20.5K | Form 4 ↗ |
Ferreira Vicente De Moraes Investor Relations Officer | May 5, 2026 | Award | 16,949 | — | — | 16.9K | Form 4 ↗ |
Ferreira Vicente De Moraes Investor Relations Officer | May 5, 2026 | Award | 1,046 | — | — | 7.0K | Form 4 ↗ |
Demaria Saverio Head Business to Consumer | May 5, 2026 | Award | 6,281 | — | — | 34.9K | Form 4 ↗ |
Demaria Saverio Head Business to Consumer | May 5, 2026 | Award | 28,588 | — | — | 28.6K | Form 4 ↗ |
Demaria Saverio Head Business to Consumer | May 5, 2026 | Award | 1,765 | — | — | 11.8K | Form 4 ↗ |
Girasole Mario See Remarks | May 5, 2026 | Award | 13,739 | — | — | 85.9K | Form 4 ↗ |
Girasole Mario See Remarks | May 5, 2026 | Award | 64,319 | — | — | 72.2K | Form 4 ↗ |
Girasole Mario See Remarks | May 5, 2026 | Award | 3,970 | — | — | 26.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
TIM S.A. (TIMB) is primarily owned by institutional investors, who hold approximately 4.0% of total shares outstanding. Company insiders own approximately 0.11%, while retail and public investors account for the remaining 95.84%.
The largest institutional shareholder of TIM S.A. is ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V., holding approximately 3.47 million shares — equal to 71.68% of outstanding shares — as of September 30, 2025.
A total of 134 institutional investors currently hold TIMB stock, with a combined institutional value of approximately $431,666,672 as of the most recent 13F filing period.
Frequently asked questions
TIMB ownershipTIM S.A. (TIMB) is primarily owned by institutional investors, who hold approximately 4.0% of shares. The largest shareholder is ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V. with a 71.68% stake. Company insiders hold 0.11%. Data sourced from SEC Form 13F as of September 30, 2025.