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Institutional Ownership · SEC Form 13F

Who owns NSA (NSA)


Which tracked institutional funds hold NSA, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See NSA company fundamentals →

Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

332
Institutional holders
67,406,500
Shares held (tracked funds)
87.4%
Of shares outstanding

How the tape is positioned

117 tracked funds added or opened NSA while 70 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.

A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.

Conviction spread

NSA’s largest tracked holder by dollar value, VANGUARD GROUP INC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp gap the other way — the median holder sizes NSA more heavily than its largest holder by dollar value does.

Book-share is each fund’s reported value in NSA divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.

Institutional & insider positioning

Between 2025-Q4 and 2026-Q1, across 331 tracked filers holding NSA, 183 increased or opened the position and 166 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.

This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.

New buyers & exits

Funds opening or closing a position in NSA between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.

New buyers 33

  • VANGUARD PORTFOLIO MANAGEMENT LLC$227M
  • VANGUARD CAPITAL MANAGEMENT LLC$118M
  • First Trust Capital Management L.P.$68M
  • Magnetar Financial LLC$46M
  • WATER ISLAND CAPITAL LLC$22M
  • ALPINE ASSOCIATES MANAGEMENT INC.$18M

Full exits 40

  • VANGUARD GROUP INC$254M
  • Long Pond Capital, LP$73M
  • Land & Buildings Investment Management, LLC$37M
  • RUSH ISLAND MANAGEMENT, LP$34M
  • Freestone Grove Partners LP$28M
  • WASATCH ADVISORS LP$28M

Largest adds

  • COHEN & STEERS, INC.$109M
  • CANADA PENSION PLAN INVESTMENT BOARD$95M
  • DEUTSCHE BANK AG\$85M
  • TWO SIGMA INVESTMENTS, LP$52M
  • Russell Investments Group, Ltd.$34M
  • STATE STREET CORP$33M

Largest trims

  • BlackRock, Inc.$82M
  • PRUDENTIAL FINANCIAL INC$73M
  • BALYASNY ASSET MANAGEMENT L.P.$45M
  • FMR LLC$33M
  • Hudson Bay Capital Management LP$26M
  • CITIGROUP INC$22M

Institutional holders

One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).

FundSharesReported value% of valueQuarter
VANGUARD PORTFOLIO MANAGEMENT LLC new6,003,787$227M7.2%2026-Q1
COHEN & STEERS, INC. added4,494,564$170M5.4%2026-Q1
BlackRock, Inc. trimmed4,304,995$162M5.2%2026-Q1
STATE STREET CORP trimmed3,576,839$135M4.3%2026-Q1
CANADA PENSION PLAN INVESTMENT BOARD added3,400,100$128M4.1%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new3,114,080$118M3.8%2026-Q1
DEUTSCHE BANK AG\ added2,835,089$107M3.4%2026-Q1
First Trust Capital Management L.P. new1,814,200$68M2.2%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added1,490,229$56M1.8%2026-Q1
TWO SIGMA INVESTMENTS, LP added1,422,166$54M1.7%2026-Q1
JENNISON ASSOCIATES LLC added1,274,412$48M1.5%2026-Q1
Magnetar Financial LLC added1,228,472$46M1.5%2026-Q1
Russell Investments Group, Ltd. added1,201,563$45M1.4%2026-Q1
UBS Group AG added1,182,504$45M1.4%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added1,156,127$44M1.4%2026-Q1
DIMENSIONAL FUND ADVISORS LP added1,059,479$40M1.3%2026-Q1
CITADEL ADVISORS LLC trimmed1,031,522$39M1.2%2026-Q1
MORGAN STANLEY trimmed1,002,704$38M1.2%2026-Q1
ALLIANCEBERNSTEIN L.P. added1,320,159$37M1.2%2026-Q1
WELLINGTON MANAGEMENT GROUP LLP added940,424$35M1.1%2026-Q1
CINCINNATI INSURANCE CO893,654$34M1.1%2026-Q1
GOLDMAN SACHS GROUP INC added856,436$32M1.0%2026-Q1
BALYASNY ASSET MANAGEMENT L.P. trimmed777,982$29M0.9%2026-Q1
Bank of New York Mellon Corp added750,154$28M0.9%2026-Q1
NORTHERN TRUST CORP added744,159$28M0.9%2026-Q1
NORGES BANK added705,263$28M0.9%2026-Q1
MILLENNIUM MANAGEMENT LLC added717,520$27M0.9%2026-Q1
Universal- Beteiligungs- und Servicegesellschaft mbH added701,210$26M0.8%2026-Q1
JPMORGAN CHASE & CO added683,657$25M0.8%2026-Q1
BANK OF AMERICA CORP /DE/ trimmed622,538$23M0.8%2026-Q1
CITIGROUP INC trimmed610,210$23M0.7%2026-Q1
WATER ISLAND CAPITAL LLC new576,224$22M0.7%2026-Q1
JANE STREET GROUP, LLC added485,293$18M0.6%2026-Q1
ALPINE ASSOCIATES MANAGEMENT INC. new475,900$18M0.6%2026-Q1
LPL Financial LLC added471,091$18M0.6%2026-Q1
AQR Arbitrage LLC new454,254$17M0.5%2026-Q1
VANGUARD FIDUCIARY TRUST CO new437,441$17M0.5%2026-Q1
GLAZER CAPITAL, LLC new434,540$16M0.5%2026-Q1
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added430,316$16M0.5%2026-Q1
Quantinno Capital Management LP added426,753$16M0.5%2026-Q1
Leeward Investments, LLC - MA trimmed393,446$15M0.5%2026-Q1
Legal & General Group Plc trimmed383,750$14M0.5%2026-Q1
TUDOR INVESTMENT CORP ET AL added366,708$14M0.4%2026-Q1
Invesco Ltd. trimmed359,001$14M0.4%2026-Q1
Gotham Asset Management, LLC trimmed337,283$13M0.4%2026-Q1
SOROS FUND MANAGEMENT LLC new317,432$12M0.4%2026-Q1
FULLER & THALER ASSET MANAGEMENT, INC. added317,273$12M0.4%2026-Q1
TimesSquare Capital Management, LLC trimmed265,142$10M0.3%2026-Q1
Alberta Investment Management Corp trimmed239,915$9M0.3%2026-Q1
ADAGE CAPITAL PARTNERS GP, L.L.C. new200,000$8M0.2%2026-Q1
HEARTLAND ADVISORS INC trimmed200,000$8M0.2%2026-Q1
BARCLAYS PLC added195,483$7M0.2%2026-Q1
RHUMBLINE ADVISERS trimmed187,816$7M0.2%2026-Q1
Hudson Bay Capital Management LP trimmed182,123$7M0.2%2026-Q1
Schonfeld Strategic Advisors LLC trimmed175,325$7M0.2%2026-Q1
BESSEMER GROUP INC added173,985$7M0.2%2026-Q1
APG Asset Management US Inc. trimmed169,064$7M0.2%2026-Q1
CANADA LIFE ASSURANCE Co added166,476$6M0.2%2026-Q1
RAYMOND JAMES FINANCIAL INC trimmed159,658$6M0.2%2026-Q1
Sound Income Strategies, LLC trimmed155,041$6M0.2%2026-Q1
PRINCIPAL FINANCIAL GROUP INC added157,991$6M0.2%2026-Q1
Lighthouse Investment Partners, LLC trimmed150,000$6M0.2%2026-Q1
HSBC HOLDINGS PLC trimmed146,551$6M0.2%2026-Q1
Swiss National Bank143,879$5M0.2%2026-Q1
NEUBERGER BERMAN GROUP LLC added140,680$5M0.2%2026-Q1
AMERIPRISE FINANCIAL INC added129,180$5M0.2%2026-Q1
TIG Advisors, LLC new114,749$4M0.1%2026-Q1
Nuveen, LLC trimmed113,682$4M0.1%2026-Q1
XTX Topco Ltd added110,522$4M0.1%2026-Q1
ABC ARBITRAGE SA new108,503$4M0.1%2026-Q1
NOMURA ASSET MANAGEMENT CO LTD added108,410$4M0.1%2026-Q1
Polar Asset Management Partners Inc. new104,391$4M0.1%2026-Q1
VANGUARD GROUP INC trimmed9,002,095$254M8.1%2025-Q4 stale
Capital World Investors1,941,558$76M2.4%2025-Q1 stale
Long Pond Capital, LP trimmed2,591,313$73M2.3%2025-Q4 stale
Land & Buildings Investment Management, LLC new1,314,463$37M1.2%2025-Q4 stale
RUSH ISLAND MANAGEMENT, LP new1,197,716$34M1.1%2025-Q4 stale
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed801,008$32M1.0%2025-Q1 stale
Freestone Grove Partners LP added1,000,091$28M0.9%2025-Q4 stale
WASATCH ADVISORS LP trimmed989,702$28M0.9%2025-Q4 stale
AMERICAN CENTURY COMPANIES INC trimmed671,042$26M0.8%2025-Q1 stale
Conversant Capital LLC new775,000$22M0.7%2025-Q4 stale
Capitolis Liquid Global Markets LLC new721,000$20M0.7%2025-Q4 stale
Woodline Partners LP added669,799$19M0.6%2025-Q4 stale
Point72 Asset Management, L.P. trimmed608,899$17M0.5%2025-Q4 stale
Gillson Capital LP added406,445$16M0.5%2025-Q1 stale
KENNEDY CAPITAL MANAGEMENT LLC added314,218$12M0.4%2025-Q1 stale
Irenic Capital Management LP new402,822$12M0.4%2025-Q3 stale
CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC316,068$9M0.3%2025-Q4 stale
WATERFALL ASSET MANAGEMENT, LLC new297,700$8M0.3%2025-Q4 stale
Alyeska Investment Group, L.P. added267,703$8M0.3%2025-Q3 stale
D. SCOTT NEAL, INC. trimmed255,877$8M0.2%2025-Q3 stale
ALGERT GLOBAL LLC trimmed233,159$7M0.2%2025-Q4 stale
PEREGRINE CAPITAL MANAGEMENT LLC added173,758$5M0.2%2025-Q4 stale
Greenland Capital Management LP added148,947$5M0.1%2025-Q3 stale
California Public Employees Retirement System added139,286$4M0.1%2025-Q2 stale
CAPITAL FUND MANAGEMENT S.A. added153,439$4M0.1%2025-Q4 stale
TWO SIGMA ADVISERS, LP added147,200$4M0.1%2025-Q4 stale
New Age Alpha Advisors, LLC added104,473$4M0.1%2025-Q1 stale
Qube Research & Technologies Ltd trimmed133,370$4M0.1%2025-Q3 stale

Ownership over time

Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.

HoldersTotal shares

Reading this table

Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.

About 13F filings

A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.

Learn how to read institutional ownership