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 Mar 31, 2025
Ownership Breakdown
122
Institutional Holders
▼ 6 vs Q4
$337.42M
Total Inst. Value
▲ $59.19M vs Q4
477.73M
Shares Outstanding
freeFloat 99.89%
21.57M
13F Shares Held
▼ 1.67M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V. telephone communications (no radiotelephone) | 3.14M | 12.98% | 12.98% | $49.19B | Apr 23, 2025 | ▼ 1.38M |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP telephone communications (no radiotelephone) | 2.11M | 8.71% | 8.71% | $33.02B | May 14, 2025 | ▲ 176.6K |
MACQUARIE GROUP LTD telephone communications (no radiotelephone) | 1.71M | 7.08% | 7.08% | $26.81B | Aug 14, 2025 | ▼ 9.6K |
RENAISSANCE TECHNOLOGIES LLC telephone communications (no radiotelephone) | 1.63M | 6.71% | 6.71% | $25.44B | May 14, 2025 | ▼ 93.2K |
BANK OF AMERICA CORP /DE/ telephone communications (no radiotelephone) | 1.19M | 4.92% | 4.92% | $18.64B | May 15, 2025 | ▲ 1.05M |
GOLDMAN SACHS GROUP INC telephone communications (no radiotelephone) | 1.06M | 4.37% | 4.37% | $16.54B | Jun 27, 2025 | ▲ 47.1K |
ITAU UNIBANCO HOLDING S.A. telephone communications (no radiotelephone) | 1.05M | 4.32% | 4.32% | $16.14B | May 14, 2025 | ▼ 724.6K |
BLACKROCK, INC. telephone communications (no radiotelephone) | 786.7K | 3.25% | 3.25% | $12.31B | May 2, 2025 | ▼ 116.9K |
UBS GROUP AG telephone communications (no radiotelephone) | 730.5K | 3.02% | 3.02% | $11.43B | May 13, 2025 | ▲ 126.4K |
MORGAN STANLEY telephone communications (no radiotelephone) | 648.1K | 2.68% | 2.68% | $10.14B | May 15, 2025 | ▲ 358.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
22
Increased
+2.64M shares3
New Positions
first time holders20
Decreased
−3.49M shares0
Sold Out
fully exitedNet shares change (top 50)
850.8K
+2.64M / −3.49M
Net new holders
+5
3 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 4.5% of total shares outstanding. Company insiders own approximately 0.11%, while retail and public investors account for the remaining 95.37%.
The largest institutional shareholder of TIM S.A. is ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V., holding approximately 3.14 million shares — equal to 12.98% of outstanding shares — as of March 31, 2025.
A total of 122 institutional investors currently hold TIMB stock, with a combined institutional value of approximately $337,417,721 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 4.5% of shares. The largest shareholder is ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V. with a 12.98% stake. Company insiders hold 0.11%. Data sourced from SEC Form 13F as of March 31, 2025.