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LAMR · NASDAQ
Who owns LAMR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 37.4% of LAMR’s shares.
- BlackRock Institutional Trust Company, N.A.8.8%
- Vanguard Portfolio Management, LLC7.4%
- Vanguard Capital Management, LLC3.9%
- Geode Capital Management, L.L.C.2.8%
- Next 6 largest institutions14.6%
- All other shareholders62.6%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 8.94M | 8.81% |
| Vanguard Portfolio Management, LLC | 7.51M | 7.40% |
| Vanguard Capital Management, LLC | 3.93M | 3.87% |
| Geode Capital Management, L.L.C. | 2.81M | 2.77% |
| State Street Investment Management (US) | 2.73M | 2.69% |
| Janus Henderson Investors | 2.72M | 2.68% |
| Fidelity Management & Research Company LLC | 2.53M | 2.50% |
| Victory Capital Management Inc. | 2.34M | 2.31% |
| Boston Partners | 2.32M | 2.28% |
| Wellington Management Company, LLP | 2.13M | 2.09% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Real Estate Index Fund | 3.27M | 3.22% |
| iShares Core S&P Mid-Cap ETF | 3.05M | 3.00% |
| Vanguard Total Stock Market Index Fund | 2.77M | 2.73% |
| Victory Sycamore Established Value Fund | 2.10M | 2.07% |
| Vanguard Small-Cap Index Fund | 2.00M | 1.97% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $2.78M (2 trades) of LAMR on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| REIFENHEISER THOMAS V | Sale | 8.10K | $1.21M |
| REIFENHEISER THOMAS V | Gift | 328 | — |
| REILLY ANNA | Award | 485 | — |
| Landrieu Mitchell | Award | 542 | — |
| REIFENHEISER THOMAS V | Award | 542 | — |
| Fletcher Nancy | Award | 644 | — |
| KOERNER JOHN E III | Award | 644 | — |
| Reilly Wendell | Award | 508 | — |
| Thompson Elizabeth Mary | Award | 542 | — |
| LOEB MARSHALL A | Award | 542 | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Gilbert CisnerosHouse | Sale | $15K–$50K | Aug 25, 2026 |
| Gilbert CisnerosHouse | Sale | $15K–$50K | Aug 24, 2026 |
| Gilbert CisnerosHouse | Sale | $15K–$50K | Aug 20, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.42M
- Days to cover
- 5.91
- % of shares outstanding
- 3.37%
- Average daily volume
- 578.78K
- Change since last report
- +9.3%
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