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View all 5 holding institutions

Across its top 5 institutional holders, SBNY's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 29/100, avg. turnover score 27/100).

Notable Holders

SBNY ranks #11880 out of 37501 tracked stocks by institutional interest, inside the more closely watched half of our coverage.

5 institutions disclose a position in SBNY, but none treat it as a major bet — even Mason Capital Management LLC, its most concentrated holder, allocates just 0.0% of its own portfolio to it.

Mason Capital Management LLC has trimmed its SBNY position for two straight quarters, cutting it by $224.0K while still holding $180.0K.

* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.

Price Chart

SBNY Quarterly 13F Institutional Trade Shifts

Recent Activity

+$4.0

Total Buy Value

$9.0

Total Sell Value

New buy1

Trim0

Add0

Sold out1

Net Buyers

Net Sellers

Top Movers

SBNY

Q2 2026

Top 5 Institutional Movers

Mason Capital Management

-$80.0K

Trim

Huntington National Bank

-$60.0

Trim

Lanark Financial

-$9.0

Sold out

Ancora Advisors

+$4.0

New buy

Data by AlphaSMO • Not financial advice.

Smart Money Convergence

SBNY 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 SBNY 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)

No Form 8-K filings for this ticker

CUSIP

82669G104

FAQ

Who are the top institutional investors holding SIGNATURE BANK (SBNY)?

Major stakeholders currently include Mason Capital Management LLC ($180.0K), Teachers Retirement System Of THE State Of Kentucky ($1.0K), Huntington National Bank ($136.0). Based on the latest 13F filings, there are a total of 5 tracked investment funds and institutions maintaining positions in SBNY.

What is the overall institutional sentiment toward SBNY recently?

Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $2.7, driven by 1 managers accumulating shares while 1 reduced their exposure.

Which institutions have been selling or reducing their SBNY positions?

In the latest period, 0 funds trimmed their holdings, and 1 managers completely exited their positions. The aggregate reported sell value was $9.0.

Are there any notable investors adding SBNY to their portfolios?

Yes, buying activity remains notable. 1 institutions opened new positions in {ticker}, and 0 existing holders added to their shares. The total reported buy value for the quarter amounted to $4.0.

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Developer Access

Access SBNY's institutional ownership data programmatically:

REST API

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

CLI

npx alphasmo stocks get SBNY

Full API & MCP documentation →