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View all 628 holding institutions

Across its top 20 institutional holders, LUMN's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 5/100, avg. turnover score 43/100).

Notable Holders

LUMN ranks #893 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

LUMN is a top-conviction position for LM Asset Management Inc. — at 30.4% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in LUMN belongs to California State Teachers Retirement System, but the position matters far more to LM Asset Management Inc., who has 30.4% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

California State Teachers Retirement System has added to its LUMN position for two straight quarters, increasing it by $1.1B to reach $1.1B today.

JPMorgan has trimmed its LUMN position for two straight quarters, cutting it by $103.6M while still holding $69.0M.

LUMN is down 1.6% today, but institutions show net buying of $426.9M this quarter — a divergence between today's price move and the underlying institutional flow.

Note: Data on this page is curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, dedicated to providing accurate insider trading and institutional portfolio reports. Please credit the source when reposting.

Company Fundamentals

LUMN reported a net loss of $1.0B over the trailing twelve months.

Not yet profitable — net loss of $1.0B over the trailing twelve months
Revenue declined 9.9% year over year
Net income improved year over year, from -$1.2B to -$1.0B
Generated $4.7B in positive operating cash flow
Current ratio of 1.80x — enough short-term assets to cover short-term liabilities
Total liabilities currently exceed total assets (negative shareholder equity)

Price Chart

LUMN Quarterly 13F Institutional Trade Shifts

Recent Activity

+$2.0B

Total Buy Value

$538.5M

Total Sell Value

New buy89

Trim182

Add207

Sold out54

296

Net Buyers

236

Net Sellers

Top Movers

LUMN

Q2 2026

Top 5 Institutional Movers

California State Teachers Retirement System

+$1.1B

Add

BlackRock

+$137.2M

Add

Fidelity

+$129.8M

Add

Sixth Street Partners Management Company, L.P

+$122.6M

New buy

Front Street Capital Management

+$93.5M

New buy

Data by AlphaSMO • Not financial advice.

Smart Money Convergence

LUMN does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Recent LUMN Insider Buying & Selling Activity (Form 4)

Congress Trading (STOCK Act)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

Filings (14d)

Data as of 2026-08-04

2026-08-04

Lumen Technologies put out its Q2 2026 earnings press release on August 4, 2026, and furnished it with this 8-K as Exhibit 99.1. The filing also flags Item 5.02, which covers executive or director changes, but the excerpt only gives us the heading — no actual departure or appointment is spelled out. There are no financial figures in this excerpt; the real numbers live in the press release itself.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

CUSIP

550241103

FAQ

Who are the top institutional investors holding LUMEN TECHNOLOGIES INC (LUMN)?

Major stakeholders currently include California State Teachers Retirement System ($1.1B), BlackRock, Inc. ($1.1B), Vanguard Portfolio Management LLC ($472.1M). Based on the latest 13F filings, there are a total of 628 tracked investment funds and institutions maintaining positions in LUMN.

What is the overall institutional sentiment toward LUMN recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $426.9M, driven by 296 managers accumulating shares while 236 reduced their exposure.

Which institutions have been selling or reducing their LUMN positions?

In the latest period, 182 funds trimmed their holdings, and 54 managers completely exited their positions. The aggregate reported sell value was $538.5M.

Are there any notable investors adding LUMN to their portfolios?

Yes, buying activity remains notable. 89 institutions opened new positions in {ticker}, and 207 existing holders added to their shares. The total reported buy value for the quarter amounted to $2.0B.

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Developer Access

Access LUMN's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/LUMN

CLI

npx alphasmo stocks get LUMN

Full API & MCP documentation →