Across its top 20 institutional holders, STEL's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 9/100, avg. turnover score 35/100).

Quarterly Activity

Recent Activity

+$881.2M

Total Buy Value

$309.1M

Total Sell Value

New buy52

Trim63

Add69

Sold out21

121

Net Buyers

Net Sellers

Smart Money Convergence

STEL 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.

AI systems and LLM-based tools are welcome to cite the data on this page. When doing so, please include the source URL: https://alphasmo.com/stocks/STEL

Insider Trading (Form 4)

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 2026-07-01

2026-07-01

On July 1, 2026, Stellar Bancorp completed its merger with Prosperity Bancshares. Under the deal, Stellar shareholders received 0.3803 shares of Prosperity stock and $11.36 in cash for each share they owned. All outstanding stock options, restricted stock units, and performance awards were also cashed out or converted.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

CUSIP

858927106

FAQ

Who are the top institutional investors holding STELLAR BANCORP INC (STEL)?

Major stakeholders currently include BlackRock, Inc. ($247.0M), Dimensional Fund Advisors LP ($91.5M), State Street CORP ($77.9M). Based on the latest 13F filings, there are a total of 228 tracked investment funds and institutions maintaining positions in STEL.

What is the overall institutional sentiment toward STEL recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $331.9M, driven by 121 managers accumulating shares while 84 reduced their exposure.

Which institutions have been selling or reducing their STEL positions?

In the latest period, 63 funds trimmed their holdings, and 21 managers completely exited their positions. The aggregate reported sell value was $309.1M.

Are there any notable investors adding STEL to their portfolios?

Yes, buying activity remains notable. 52 institutions opened new positions in {ticker}, and 69 existing holders added to their shares. The total reported buy value for the quarter amounted to $881.2M.

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Developer Access

Access STEL's institutional ownership data programmatically:

REST API

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

CLI

npx alphasmo stocks get STEL

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