Last mentioned: Mar 10, 2026
Q1 Projection
SL Green expects to surpass 900,000 sq ft in total leasing for the quarter.
One Madison Fully Leased
Harvey AI expansion secures the final remaining office space at One Madison Avenue.
832K Milestone
Company reaches 832,135 sq ft of signed leases within the first 65 days of the year.
Q1 Leasing Commences
SL Green begins its most active first quarter in company history.
SL Green Realty Corp. has reached full occupancy at its One Madison Avenue development following a 92,663-square-foot expansion by Harvey AI. The firm is now on track for its strongest first-quarter leasing performance in its 28-year history, signaling a robust recovery for high-end Manhattan office space.
This page surfaces every story mentioning Marc Holliday across our proptech coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running proptech beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Marc Holliday was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |