Across its top 20 institutional holders, SLG's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 22/100).

Quarterly Activity

Recent Activity

+$1.4B

Total Buy Value

$1.5B

Total Sell Value

New buy48

Trim98

Add137

Sold out55

185

Net Buyers

153

Net Sellers

Smart Money Convergence

SLG 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/SLG

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)

No Form 8-K filings for this ticker

CUSIP

78440X887, 39260X100, G4166K100, G4166K118

FAQ

Who are the top institutional investors holding SL GREEN REALTY CORP (SLG)?

Major stakeholders currently include BlackRock, Inc. ($494.2M), Vanguard Portfolio Management LLC ($264.1M), State Street CORP ($152.9M). Based on the latest 13F filings, there are a total of 334 tracked investment funds and institutions maintaining positions in SLG.

What is the overall institutional sentiment toward SLG recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $37.8M, driven by 185 managers accumulating shares while 153 reduced their exposure.

Which institutions have been selling or reducing their SLG positions?

In the latest period, 98 funds trimmed their holdings, and 55 managers completely exited their positions. The aggregate reported sell value was $1.5B.

Are there any notable investors adding SLG to their portfolios?

Yes, buying activity remains notable. 48 institutions opened new positions in {ticker}, and 137 existing holders added to their shares. The total reported buy value for the quarter amounted to $1.4B.

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Developer Access

Access SLG's institutional ownership data programmatically:

REST API

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

CLI

npx alphasmo stocks get SLG

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