Comparable stake leader
BlackRock, Inc.
SEC ownership of SL GREEN REALTY CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001040971.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
20 Aug 2026
- Public ticker
- SLG, SLG-PI on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
20 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001040971
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of SL GREEN REALTY CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
20 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 18%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 18%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
18%
COHEN & STEERS, INC.
11%
VANGUARD PORTFOLIO MANAGEMENT LLC
10%
STATE STREET CORP
5.7%
VANGUARD CAPITAL MANAGEMENT LLC
5.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
18%
from 13D/G
|
$706,880,857
13,654,257 shares
|
— | 30 Jun 2026 |
| COHEN & STEERS, INC. |
13D/G
13F
Company
|
11%
|
$376,186,202
7,778,871 shares
|
+$196,562,992 | 31 Jul 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Portfolio Management
|
10%
from 13D/G
|
$376,879,543
7,279,883 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
5.7%
from 13D/G
|
$213,131,433
4,069,007 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Capital Management
|
5.3%
from 13D/G
|
$165,812,942
3,202,877 shares
|
— | 30 Jun 2026 |
| Harrison Sitomer |
3/4/5
PRESIDENT & CIO
|
0.15%
|
$6,405,082
109,468 shares
|
-$2,322,235 | 20 Aug 2026 |
| Lauren B. Dillard |
3/4/5
Director
|
0.03%
|
$937,947
20,448 shares
|
— | 05 Jan 2026 |
| Craig M. Hatkoff |
3/4/5
Director
|
0%
|
$93,242
2,052 shares
|
— | 30 Jan 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$3,617,410.
Buys
$0
Insiders: 0
Sells
$3,617,410
Insiders: 4
Net
-$3,617,410
Shares: -69,657
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 69,657
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 40,000 | $0 | $2,322,235 | -$2,322,235 |
| 3-6 | 0 | 5,004 | $0 | $181,770 | -$181,770 |
| 6-9 | 0 | 23,716 | $0 | $1,054,289 | -$1,054,289 |
| 9-12 | 0 | 937 | $0 | $59,115 | -$59,115 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to SL GREEN REALTY CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Andrew W. Mathias
Net 12M change
-$3,617,410
Latest report
20 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Andrew W. Mathias | Director | $67,833,851 | Mixed | 19 May 2026 | ||
| Marc Holliday | PRESIDENT & CEO, Director | $58,357,488 | -$986,701 | -1.7% | Mixed | 24 Jun 2026 |
| Matthew J. DiLiberto | Chief Financial Officer | $10,415,813 | Mixed | 24 Jun 2026 | ||
| Andrew S. Levine | Chief Legal Officer & Gc | $10,138,926 | -$67,588 | -0.66% | Mixed | 04 May 2026 |
| Harrison Sitomer | President & Cio | $6,405,082 | -$2,322,235 | -27% | Filing P/S | 20 Aug 2026 |
| John S. Levy | Director | $4,535,288 | Mixed | 20 Apr 2023 | ||
| Lauren B. Dillard | Director | $937,947 | Mixed | 05 Jan 2026 | ||
| John H. Alschuler Jr. | Director | $681,240 | Mixed | 05 Jan 2026 | ||
| Betsy S. Atkins | Director | $325,364 | Filing P/S | 26 Jan 2024 | ||
| Peggy Lamb | Director | $277,345 | Mixed | 05 Jan 2026 | ||
| Burton Edwin T. III | Director | $167,041 | Mixed | 05 Jan 2024 | ||
| Craig M. Hatkoff | Director | $93,242 | Mixed | 30 Jan 2026 | ||
| Carol N. Brown | Director | $0 | -$240,886 | -100% | Mixed | 30 Mar 2026 |
| Stephen L. Green | Director | Mixed | 05 Jan 2026 |
Recent insider transactions for SL GREEN REALTY CORP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Harrison Sitomer | SLG | Common Stock | Sale | -17.4% | $1,333,940 | $57.71 | -23,113 | 109,468 | 21 Aug 2026 | Direct |
| Harrison Sitomer | SLG | Common Stock | Sale | -11.3% | $988,295 | $58.52 | -16,887 | 132,581 | 20 Aug 2026 | Direct |
| Matthew J. DiLiberto | SLG | LTIP Units | Disposed to Issuer | -6.2% | -18,735 | 283,686 | 24 Jun 2026 | Direct | ||
| Marc Holliday | SLG | LTIP Units | Disposed to Issuer | -5.69% | -92,025 | 1,524,548 | 24 Jun 2026 | Direct | ||
| Andrew W. Mathias | SLG | LTIP Units | Disposed to Issuer | -8.17% | -100,000 | 1,124,369 | 19 May 2026 | Direct | ||
| Andrew S. Levine | SLG | LTIP Units | Disposed to Issuer | -11.7% | -33,542 | 253,838 | 04 May 2026 | Direct | ||
| Matthew J. DiLiberto | SLG | LTIP Units | Disposed to Issuer | -5.91% | -19,000 | 302,421 | 04 May 2026 | Direct | ||
| Carol N. Brown | SLG | Common Stock | Sale | -100% | $181,770 | $36.32 | -5,004 | 0 | 30 Mar 2026 | Direct |
| Harrison Sitomer | SLG | Common Stock | Award | 133.6% | 85,492 | 149,468 | 27 Feb 2026 | Direct | ||
| Andrew S. Levine | SLG | LTIP Units | Award | 35.1% | 74,688 | 287,380 | 12 Feb 2026 | Direct | ||
| Marc Holliday | SLG | LTIP Units | Award | 28.8% | 361,929 | 1,616,573 | 12 Feb 2026 | Direct | ||
| Matthew J. DiLiberto | SLG | Class O LTIP Units | Award | 100,000 | 100,000 | 12 Feb 2026 | Direct | |||
| Matthew J. DiLiberto | SLG | LTIP Units | Award | 42.5% | 95,824 | 321,421 | 12 Feb 2026 | Direct | ||
| Andrew W. Mathias | SLG | LTIP Units | Award | 19.7% | 201,234 | 1,224,369 | 12 Feb 2026 | Direct | ||
| Matthew J. DiLiberto | SLG | LTIP Units | Disposed to Issuer | -4.89% | -11,600 | 225,597 | 30 Jan 2026 | Direct | ||
| Andrew S. Levine | SLG | LTIP Units | Disposed to Issuer | -4.85% | -10,830 | 212,692 | 30 Jan 2026 | Direct | ||
| Marc Holliday | SLG | LTIP Units | Disposed to Issuer | -4.78% | -63,036 | 1,254,644 | 30 Jan 2026 | Direct | ||
| Craig M. Hatkoff | SLG | Common Stock | Disposed to Issuer | -70.9% | -5,004 | 2,052 | 30 Jan 2026 | Direct | ||
| John H. Alschuler Jr. | SLG | Phantom Stock Units | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | -9.97% | -1,645 | 14,852 | 09 Jan 2026 | Direct | ||
| John H. Alschuler Jr. | SLG | Phantom Stock Units | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | -23.3% | -5,004 | 16,496 | 05 Jan 2026 | Direct | ||
| John H. Alschuler Jr. | SLG | Phantom Stock Units | Award | 30.3% | 5,004 | 21,500 | 05 Jan 2026 | Direct | ||
| Andrew W. Mathias | SLG | Phantom Stock Units | Award | 5,004 | 5,004 | 05 Jan 2026 | Direct | |||
| Lauren B. Dillard | SLG | Common Stock | Award | 32.4% | 5,004 | 20,448 | 05 Jan 2026 | Direct | ||
| Carol N. Brown | SLG | Common Stock | Award | 5,004 | 5,004 | 05 Jan 2026 | Direct | |||
| Craig M. Hatkoff | SLG | Common Stock | Award | 243.9% | 5,004 | 7,056 | 05 Jan 2026 | Direct | ||
| Peggy Lamb | SLG | Phantom Stock Units | Award | 122.6% | 5,004 | 9,088 | 05 Jan 2026 | Direct | ||
| Stephen L. Green | SLG | Phantom Stock Units | Award | 17.7% | 5,004 | 33,333 | 05 Jan 2026 | Direct | ||
| Marc Holliday | SLG | Common Stock | Sale | -69.6% | $986,701 | $44.40 | -22,223 | 9,698 | 23 Dec 2025 | Direct |
| Marc Holliday | SLG | Common Stock | Conversion of derivative security | 229.2% | 22,223 | 31,921 | 22 Dec 2025 | Direct | ||
| Marc Holliday | SLG | LTIP Units | Disposed to Issuer | -0.41% | -5,374 | 1,317,680 | 22 Dec 2025 | Direct | ||
| Marc Holliday | SLG | LTIP Units | Conversion of derivative security | -1.65% | -22,223 | 1,323,054 | 22 Dec 2025 | Direct | ||
| Andrew S. Levine | SLG | Common Stock | Sale | -17.5% | $67,588 | $45.27 | -1,493 | 7,045 | 22 Dec 2025 | Direct |
| Marc Holliday | SLG | LTIP Units | Award | 2.74% | 35,833 | 1,345,277 | 16 Dec 2025 | Direct | ||
| Carol N. Brown | SLG | Common Stock | Sale | -100% | $59,115 | $63.09 | -937 | 0 | 11 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.