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Institutional Ownership · SEC Form 13F

Who owns GNRC (GNRC)


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

868
Institutional holders
53,670,879
Shares held (tracked funds)
78.6%
Of shares outstanding

How the tape is positioned

The tracked-fund tape on GNRC is one-sided between 2025-Q4 and 2026-Q1: 383 added or opened and 78 trimmed or exited — on balance accumulating.

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

GNRC’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 0.1% of theirs — a 0.0pp gap the other way — the median holder sizes GNRC more heavily than its largest holder by dollar value does.

Book-share is each fund’s reported value in GNRC 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 868 tracked filers holding GNRC, 444 increased or opened the position and 368 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.

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 GNRC 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 72

  • VANGUARD CAPITAL MANAGEMENT LLC$746M
  • VANGUARD PORTFOLIO MANAGEMENT LLC$452M
  • VANGUARD FIDUCIARY TRUST CO$65M
  • J. Goldman & Co LP$37M
  • LORD, ABBETT & CO. LLC$29M
  • Vanguard Global Advisers, LLC$24M

Full exits 27

  • VANGUARD GROUP INC$872M
  • Merewether Investment Management, LP$26M
  • Atreides Management, LP$25M
  • TUDOR INVESTMENT CORP ET AL$9M
  • Private Advisory Group LLC$8M
  • Invenomic Capital Management LP$7M

Largest adds

  • STATE STREET CORP$129M
  • Invesco Ltd.$107M
  • GEODE CAPITAL MANAGEMENT, LLC$94M
  • Boston Partners$80M
  • PRICE T ROWE ASSOCIATES INC /MD/$73M
  • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$73M

Largest trims

  • M&T Bank Corp$158M
  • VICTORY CAPITAL MANAGEMENT INC$116M
  • MASSACHUSETTS FINANCIAL SERVICES CO /MA/$63M
  • BROWN ADVISORY INC$34M
  • BALYASNY ASSET MANAGEMENT L.P.$33M
  • UBS Group AG$24M

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 CAPITAL MANAGEMENT LLC new3,818,559$746M7.6%2026-Q1
BlackRock, Inc. trimmed2,967,655$580M5.9%2026-Q1
VANGUARD PORTFOLIO MANAGEMENT LLC new2,315,884$452M4.6%2026-Q1
Invesco Ltd. trimmed2,241,366$438M4.4%2026-Q1
STATE STREET CORP added2,181,014$426M4.3%2026-Q1
Boston Partners trimmed1,535,979$300M3.0%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added1,524,753$297M3.0%2026-Q1
D. E. Shaw & Co., Inc. trimmed1,297,744$253M2.6%2026-Q1
ARIEL INVESTMENTS, LLC trimmed1,294,787$253M2.6%2026-Q1
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added1,038,493$203M2.1%2026-Q1
DIMENSIONAL FUND ADVISORS LP trimmed936,561$183M1.9%2026-Q1
MORGAN STANLEY trimmed787,924$154M1.6%2026-Q1
BANK OF AMERICA CORP /DE/ added742,576$145M1.5%2026-Q1
BANK OF MONTREAL /CAN/ trimmed661,322$129M1.3%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added624,283$122M1.2%2026-Q1
DISCIPLINED GROWTH INVESTORS INC /MN trimmed580,928$113M1.2%2026-Q1
No Street GP LP added550,000$107M1.1%2026-Q1
NORTHERN TRUST CORP added526,686$103M1.0%2026-Q1
JENNISON ASSOCIATES LLC added520,628$102M1.0%2026-Q1
PARK PRESIDIO CAPITAL LLC added520,272$102M1.0%2026-Q1
ROYAL BANK OF CANADA trimmed520,047$102M1.0%2026-Q1
UBS Group AG trimmed514,631$101M1.0%2026-Q1
ENVESTNET ASSET MANAGEMENT INC trimmed488,324$95M1.0%2026-Q1
Robeco Schweiz AG added477,006$93M0.9%2026-Q1
KING LUTHER CAPITAL MANAGEMENT CORP trimmed468,722$92M0.9%2026-Q1
ALLIANCEBERNSTEIN L.P. added664,375$91M0.9%2026-Q1
BROWN ADVISORY INC trimmed436,736$85M0.9%2026-Q1
PRICE T ROWE ASSOCIATES INC /MD/ added433,115$85M0.9%2026-Q1
Amundi added433,016$85M0.9%2026-Q1
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. trimmed397,975$78M0.8%2026-Q1
MACKENZIE FINANCIAL CORP trimmed392,534$77M0.8%2026-Q1
COATUE MANAGEMENT LLC added390,513$76M0.8%2026-Q1
Evercore Wealth Management, LLC trimmed386,149$75M0.8%2026-Q1
FEDERATED HERMES, INC. trimmed385,154$75M0.8%2026-Q1
NORGES BANK added589,675$75M0.8%2026-Q1
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed349,556$68M0.7%2026-Q1
BLAIR WILLIAM & CO/IL added346,830$68M0.7%2026-Q1
VICTORY CAPITAL MANAGEMENT INC trimmed344,348$67M0.7%2026-Q1
Impax Asset Management Group plc trimmed336,461$66M0.7%2026-Q1
VANGUARD FIDUCIARY TRUST CO new330,247$65M0.7%2026-Q1
EVENTIDE ASSET MANAGEMENT, LLC added306,838$60M0.6%2026-Q1
Energy Income Partners, LLC trimmed303,046$59M0.6%2026-Q1
Holocene Advisors, LP trimmed301,367$59M0.6%2026-Q1
Bank of New York Mellon Corp trimmed295,458$58M0.6%2026-Q1
DAVENPORT & Co LLC trimmed292,442$57M0.6%2026-Q1
Stephens Investment Management Group LLC trimmed289,382$57M0.6%2026-Q1
JANE STREET GROUP, LLC added279,000$54M0.6%2026-Q1
WELLS FARGO & COMPANY/MN added256,440$50M0.5%2026-Q1
TWO SIGMA INVESTMENTS, LP added256,120$50M0.5%2026-Q1
GOLDMAN SACHS GROUP INC added250,113$49M0.5%2026-Q1
RAYMOND JAMES FINANCIAL INC trimmed248,671$48M0.5%2026-Q1
MANUFACTURERS LIFE INSURANCE COMPANY, THE trimmed230,894$45M0.5%2026-Q1
JPMORGAN CHASE & CO trimmed238,851$44M0.4%2026-Q1
Ninety One UK Ltd trimmed218,407$43M0.4%2026-Q1
Orbis Allan Gray Ltd added209,631$41M0.4%2026-Q1
Paradice Investment Management LLC trimmed208,269$41M0.4%2026-Q1
Capital International Investors207,989$41M0.4%2026-Q1
SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed205,266$40M0.4%2026-Q1
Gotham Asset Management, LLC trimmed195,374$38M0.4%2026-Q1
J. Goldman & Co LP added187,564$37M0.4%2026-Q1
SILVERCREST ASSET MANAGEMENT GROUP LLC added186,230$36M0.4%2026-Q1
CITIGROUP INC added183,799$36M0.4%2026-Q1
ArrowMark Colorado Holdings LLC added180,961$35M0.4%2026-Q1
AQR CAPITAL MANAGEMENT LLC trimmed181,458$35M0.4%2026-Q1
AMERIPRISE FINANCIAL INC added177,538$35M0.4%2026-Q1
MILLENNIUM MANAGEMENT LLC added176,990$35M0.4%2026-Q1
Minneapolis Portfolio Management Group, LLC added173,908$34M0.3%2026-Q1
Nuveen, LLC added169,630$33M0.3%2026-Q1
BNP PARIBAS FINANCIAL MARKETS added164,276$32M0.3%2026-Q1
Legal & General Group Plc trimmed160,432$31M0.3%2026-Q1
VOYA INVESTMENT MANAGEMENT LLC trimmed160,276$31M0.3%2026-Q1
ATWOOD & PALMER INC added158,703$31M0.3%2026-Q1
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added153,198$30M0.3%2026-Q1
CITADEL ADVISORS LLC trimmed151,179$30M0.3%2026-Q1
LORD, ABBETT & CO. LLC added150,000$29M0.3%2026-Q1
Focus Partners Wealth added147,895$29M0.3%2026-Q1
Willis Investment Counsel added145,421$28M0.3%2026-Q1
DEUTSCHE BANK AG\ trimmed136,184$27M0.3%2026-Q1
LOOMIS SAYLES & CO L P trimmed135,030$26M0.3%2026-Q1
Townsend & Associates, Inc trimmed119,724$26M0.3%2026-Q1
Baird Financial Group, Inc. added130,532$25M0.3%2026-Q1
Palo Duro Investment Partners, LP added125,130$24M0.2%2026-Q1
Vanguard Global Advisers, LLC new122,926$24M0.2%2026-Q1
Swiss National Bank added116,100$23M0.2%2026-Q1
California Public Employees Retirement System added115,000$22M0.2%2026-Q1
Covalis Capital LLP added113,051$22M0.2%2026-Q1
MATRIX ASSET ADVISORS INC/NY trimmed112,868$22M0.2%2026-Q1
RHUMBLINE ADVISERS trimmed105,809$21M0.2%2026-Q1
Mediolanum International Funds Ltd new109,314$20M0.2%2026-Q1
E. Ohman J:or Asset Management AB added102,245$20M0.2%2026-Q1
GW&K Investment Management, LLC trimmed101,671$20M0.2%2026-Q1
MAIRS & POWER INC trimmed99,747$19M0.2%2026-Q1
VANGUARD GROUP INC trimmed6,397,367$872M8.9%2025-Q4 stale
Burgundy Asset Management Ltd. trimmed648,364$120M1.2%2025-Q3 stale
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC added280,000$40M0.4%2025-Q2 stale
Cartenna Capital, LP new196,500$28M0.3%2025-Q2 stale
Blue Grotto Capital, LLC added160,000$27M0.3%2025-Q3 stale
SHAPIRO CAPITAL MANAGEMENT LLC new183,860$26M0.3%2025-Q2 stale
Merewether Investment Management, LP added188,946$26M0.3%2025-Q4 stale
Atreides Management, LP new182,765$25M0.3%2025-Q4 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