NSA Self-storage REITs · Acquired · REIT · Self storage · Thesis updated June 14, 2026

NSA’s standalone story ended with PSA

Public Storage completed its acquisition of NSA on July 22, 2026.
NSA common shareholders received 0.1400 Public Storage common shares for each NSA share.
Before closing, NSA owned 799 consolidated self-storage properties as of March 31, 2026.
The old stand-alone business was improving a bit in Q1 2026, but 2025 results were weak.
The main question now is how well Public Storage folds NSA’s stores into its larger platform.

01 Running thesis

The deal is done

NSA is no longer mainly a stand-alone stock story. Public Storage completed the acquisition on July 22, 2026. NSA common shares were exchanged for Public Storage shares, and NSA common and preferred shares were delisted from the NYSE after the close.

That resolves the biggest risk in the last internal thesis: whether the PSA deal would close. Before closing, the bear case was a failed merger, a possible $202.0 million termination fee, and a return to weak stand-alone trading. That is now historical deal risk, not the live setup for common holders.

For former NSA common shareholders, the live bet has moved to Public Storage. They received 0.1400 Public Storage common shares for each NSA share. The bull case is that PSA can add scale, cut duplicate costs, and use NSA’s stores better than NSA could alone. The bear case is that self-storage demand stays soft, or integration takes more time and money than expected.

Jul 2026▲Public Storage completed the NSA acquisition. The page now treats NSA common stock as a completed deal story, not a pending merger spread.

May 2026→NSA’s Q1 2026 10-Q kept the thesis centered on the Public Storage deal. The filing showed $10.0 million of merger-related costs and added deal risks, including a fixed exchange ratio and a possible $202.0 million termination fee.

Apr 2026→The investment view shifted away from stand-alone operations after the Public Storage acquisition was announced. The main question became whether the merger would close on the stated terms.

Feb 2026▲Full-year 2025 results showed the operating decline was moderating, and management fees and other revenue rose 13.6%. That helped the recovery case before the deal took over the story.

Nov 2025→Q3 2025 showed a mixed picture. Same-store NOI was still down, but the rate of decline improved, while management fee growth slowed.

Aug 2025▼Q2 2025 strengthened the bear case because same-store NOI fell 6.1% and occupancy dropped sharply. Cost cuts and fee growth helped, but not enough to erase core weakness.

02 Business model

Renting space, plus fees

NSA was a real estate investment trust, or REIT. A REIT owns real estate and passes much of its taxable income to shareholders. NSA focused on self-storage properties, mostly in large U.S. metro areas.

The core money source was simple: rent storage units to people and businesses. As of March 31, 2026, NSA owned 799 consolidated self-storage properties in 33 states and Puerto Rico, with about 51.1 million rentable square feet and about 402,000 units.

NSA also managed 262 properties in unconsolidated real estate ventures. These are joint ventures where NSA typically owned 25% and earned fees for running the properties. That gave NSA a smaller, fee-like income stream on top of rent.

The weak point was occupancy and pricing. For full-year 2025, same-store net operating income fell 4.6%, driven by lower rental revenue and higher property costs. Q1 2026 looked better, with same-store NOI up $2.3 million year over year, but the merger made that operating recovery less important for NSA common holders.

03 Product portfolio

What NSA sold

Cash cow

Storage unit rentals

This was the main business. Customers paid rent for space in NSA’s self-storage facilities.

Steady

Same-store portfolio

NSA used same-store results to show how mature properties were doing. In Q1 2026, the same-store portfolio had 735 properties.

Option

Joint venture management

NSA managed properties it did not fully own and earned fees for that work. These ventures held 262 properties as of March 31, 2026.

Option

Tenant insurance and warranty programs

NSA earned ancillary income from tenant insurance and warranty protection programs. This line can help margins, but it declined in Q1 2026.

Steady

Storage supplies

Stores also sold moving and storage supplies. This was a small add-on to the rent business.

04 Business segments

One segment, three revenue lines

Rental revenue91%declining

Other property-related revenue3%declining

Management fees and other revenue6%declining

NSA reported one operating segment. The mix below uses Q1 2026 revenue lines because the business is economically split between rental revenue, other property-related revenue, and management fees.

05 Risk factors

What can still go wrong

No stand-alone NSA common stock

High impact · High odds

NSA common shares were delisted after the merger closed. A new buyer cannot buy the old NSA common stock as a normal public REIT. The economic exposure moved into Public Storage shares.

We watchCheck the NYSE listing status and the Public Storage investor relations page for post-closing notices.

PSA share exposure

High impact · Medium odds

Former NSA common shareholders received 0.1400 Public Storage common shares for each NSA share. After closing, their return depends on PSA’s stock price, not NSA’s old trading price. A drop in PSA can erase some or all of the deal gain.

We watchTrack PSA share price, FFO per share updates, and post-merger guidance.

Integration risk

Medium impact · Medium odds

NSA had its own brands, systems, people, and joint venture relationships. Public Storage has to fold those assets into a much larger platform. Cost savings may be slower than planned if systems, staffing, or local operations do not transfer cleanly.

We watchWatch PSA merger update slides for synergy timing, one-time costs, and store conversion progress.

Soft storage demand

Medium impact · Medium odds

Self-storage demand is tied to moves, housing activity, small businesses, and local supply. NSA’s full-year 2025 same-store NOI fell 4.6%, so the base business had been under pressure before the deal. Better Q1 2026 results do not prove a full recovery.

We watchWatch occupancy, rental revenue per occupied square foot, and same-store NOI in PSA’s self-storage results.

Joint venture complexity

Medium impact · Low odds

NSA managed 262 unconsolidated joint venture properties before closing. These ventures include third-party capital and ownership rights. That can make asset decisions more complex after the acquisition.

We watchLook for PSA disclosures about acquired joint ventures, buyouts, sales, or changes in fee income.

06 Quick answers

In one breath

Is NSA still a public company?

No. Public Storage completed the acquisition on July 22, 2026, and NSA shares were delisted after the close. Former NSA common shareholders received Public Storage shares under the merger terms.

What did NSA shareholders get in the merger?

NSA common shareholders received 0.1400 Public Storage common shares for each NSA common share. Preferred holders received equivalent Public Storage preferred shares with substantially similar economic terms.

Was NSA doing well before the deal closed?

The answer was mixed. Full-year 2025 same-store NOI fell 4.6%, but Q1 2026 same-store NOI rose by $2.3 million year over year. The merger became more important than the stand-alone recovery.

What should former NSA investors watch now?

They should watch Public Storage. The key items are PSA’s share price, merger cost savings, same-store self-storage trends, and any updates on the acquired NSA properties.