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Institutional Ownership · SEC Form 13F

Who owns Kinsale Capital Group, Inc. (KNSL)


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

Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-18). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

573
Institutional holders
21M
Shares held (tracked funds)
91.7%
Of shares outstanding

How the tape is positioned

88 tracked funds added or opened KNSL while 193 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

KNSL’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 KNSL more heavily than its largest holder by dollar value does.

Book-share is each fund’s reported value in KNSL 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 573 tracked filers holding KNSL, 279 increased or opened the position and 305 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 KNSL 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 CAPITAL MANAGEMENT LLC$337M
  • VANGUARD PORTFOLIO MANAGEMENT LLC$318M
  • TIMUCUAN ASSET MANAGEMENT INC/FL$62M
  • VANGUARD FIDUCIARY TRUST CO$48M
  • LOUNTZIS ASSET MANAGEMENT, LLC$10M
  • VANGUARD ASSET MANAGEMENT, Ltd$7M

Full exits 30

  • VANGUARD GROUP INC$799M
  • Artemis Investment Management LLP$17M
  • Balyasny Asset Management L.P.$8M
  • TWO SIGMA INVESTMENTS, LP$4M
  • Empowered Funds, LLC$3M
  • Jefferies Financial Group Inc.$3M

Largest adds

  • Capital World Investors$62M
  • MILLENNIUM MANAGEMENT LLC$44M
  • BANK OF AMERICA CORP /DE/$38M
  • TURTLE CREEK ASSET MANAGEMENT INC.$32M
  • JONES FINANCIAL COMPANIES LLLP$30M
  • TUDOR INVESTMENT CORP ET AL$21M

Largest trims

  • BlackRock, Inc.$150M
  • Pacer Advisors, Inc.$79M
  • ROYAL LONDON ASSET MANAGEMENT LTD$55M
  • ALLIANCEBERNSTEIN L.P.$55M
  • MORGAN STANLEY$47M
  • AMERICAN CENTURY COMPANIES INC$39M

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
BAMCO INC /NY/ added2,027,765$693M8.9%2026-Q1
BlackRock, Inc. trimmed2,005,285$685M8.8%2026-Q1
Capital World Investors added1,311,315$448M5.8%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new986,403$337M4.3%2026-Q1
VANGUARD PORTFOLIO MANAGEMENT LLC new931,294$318M4.1%2026-Q1
STATE STREET CORP added691,958$236M3.0%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added661,224$228M2.9%2026-Q1
FIRST MANHATTAN CO. LLC. added616,031$210M2.7%2026-Q1
MORGAN STANLEY trimmed592,432$202M2.6%2026-Q1
Life Cycle Investment Partners Ltd trimmed564,311$193M2.5%2026-Q1
DAVENPORT & Co LLC added536,948$182M2.4%2026-Q1
JPMORGAN CHASE & CO added429,643$145M1.9%2026-Q1
TURTLE CREEK ASSET MANAGEMENT INC. added411,246$141M1.8%2026-Q1
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC added328,662$112M1.4%2026-Q1
DIMENSIONAL FUND ADVISORS LP added299,832$102M1.3%2026-Q1
GENEVA CAPITAL MANAGEMENT LLC trimmed287,935$98M1.3%2026-Q1
NORGES BANK trimmed200,764$98M1.3%2026-Q1
BANK OF AMERICA CORP /DE/ added285,535$98M1.3%2026-Q1
Maren Capital LLC added270,140$92M1.2%2026-Q1
DF DENT & CO INC trimmed248,937$85M1.1%2026-Q1
RIVERBRIDGE PARTNERS LLC trimmed246,236$84M1.1%2026-Q1
Invesco Ltd. trimmed243,448$83M1.1%2026-Q1
MILLENNIUM MANAGEMENT LLC added221,703$76M1.0%2026-Q1
Giverny Capital Inc. added218,942$75M1.0%2026-Q1
Champlain Investment Partners, LLC trimmed214,815$73M0.9%2026-Q1
NORTHERN TRUST CORP trimmed191,658$65M0.8%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added185,388$63M0.8%2026-Q1
TIMUCUAN ASSET MANAGEMENT INC/FL new181,046$62M0.8%2026-Q1
GW&K Investment Management, LLC trimmed150,583$51M0.7%2026-Q1
Bank of New York Mellon Corp trimmed147,136$50M0.6%2026-Q1
VANGUARD FIDUCIARY TRUST CO new140,663$48M0.6%2026-Q1
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. trimmed137,985$47M0.6%2026-Q1
ENVESTNET ASSET MANAGEMENT INC added137,164$47M0.6%2026-Q1
Spyglass Capital Management LLC trimmed137,029$47M0.6%2026-Q1
Madison Asset Management, LLC trimmed136,778$47M0.6%2026-Q1
Erste Asset Management GmbH added127,218$43M0.6%2026-Q1
Stephens Investment Management Group LLC trimmed122,957$42M0.5%2026-Q1
Prime Capital Management Co Ltd115,498$39M0.5%2026-Q1
Copeland Capital Management, LLC trimmed111,089$38M0.5%2026-Q1
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added108,887$37M0.5%2026-Q1
ROYAL BANK OF CANADA trimmed108,867$37M0.5%2026-Q1
Port Capital LLC added97,583$33M0.4%2026-Q1
NATIXIS ADVISORS, LLC added92,389$32M0.4%2026-Q1
JONES FINANCIAL COMPANIES LLLP added93,511$31M0.4%2026-Q1
CITIGROUP INC added86,020$29M0.4%2026-Q1
ROYAL LONDON ASSET MANAGEMENT LTD trimmed82,442$28M0.4%2026-Q1
FRANKLIN RESOURCES INC added78,700$27M0.3%2026-Q1
UBS Group AG trimmed75,824$26M0.3%2026-Q1
HOWLAND CAPITAL MANAGEMENT LLC trimmed68,667$23M0.3%2026-Q1
AMERIPRISE FINANCIAL INC added65,474$22M0.3%2026-Q1
TUDOR INVESTMENT CORP ET AL added64,360$22M0.3%2026-Q1
Langdon Equity Partners trimmed63,550$22M0.3%2026-Q1
RHUMBLINE ADVISERS added62,981$22M0.3%2026-Q1
Carnegie Investment Counsel added62,897$21M0.3%2026-Q1
Nuveen, LLC added62,602$21M0.3%2026-Q1
Ensign Peak Advisors, Inc trimmed60,206$21M0.3%2026-Q1
Mawer Investment Management Ltd. added59,832$20M0.3%2026-Q1
AMERICAN CENTURY COMPANIES INC trimmed59,411$20M0.3%2026-Q1
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added54,688$19M0.2%2026-Q1
WELLS FARGO & COMPANY/MN added53,714$18M0.2%2026-Q1
SEI INVESTMENTS CO trimmed51,189$17M0.2%2026-Q1
Doma Perpetual Capital Management LLC trimmed50,051$17M0.2%2026-Q1
PRINCIPAL FINANCIAL GROUP INC added49,758$17M0.2%2026-Q1
GOLDMAN SACHS GROUP INC trimmed49,595$17M0.2%2026-Q1
Swedbank AB trimmed49,053$17M0.2%2026-Q1
Amundi added47,110$16M0.2%2026-Q1
Handelsbanken Fonder AB trimmed46,560$16M0.2%2026-Q1
ASHFORD CAPITAL MANAGEMENT INC added44,360$15M0.2%2026-Q1
BARCLAYS PLC added44,230$15M0.2%2026-Q1
JACOBSON & SCHMITT ADVISORS, LLC added43,986$15M0.2%2026-Q1
Swiss National Bank43,662$15M0.2%2026-Q1
CONGRESS ASSET MANAGEMENT CO added41,883$14M0.2%2026-Q1
AQR CAPITAL MANAGEMENT LLC added42,211$14M0.2%2026-Q1
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC added39,479$13M0.2%2026-Q1
KORNITZER CAPITAL MANAGEMENT INC /KS37,990$13M0.2%2026-Q1
BLAIR WILLIAM & CO/IL trimmed37,507$13M0.2%2026-Q1
ALLIANCEBERNSTEIN L.P. trimmed32,371$13M0.2%2026-Q1
California Public Employees Retirement System added35,363$12M0.2%2026-Q1
Retirement Systems of Alabama added34,594$12M0.2%2026-Q1
Premier Fund Managers Ltd trimmed33,888$11M0.1%2026-Q1
Janney Montgomery Scott LLC added30,858$11M0.1%2026-Q1
CITADEL ADVISORS LLC added30,700$10M0.1%2026-Q1
ALTA CAPITAL MANAGEMENT LLC/ added30,576$10M0.1%2026-Q1
Legal & General Group Plc trimmed30,183$10M0.1%2026-Q1
LOUNTZIS ASSET MANAGEMENT, LLC new28,942$10M0.1%2026-Q1
RAYMOND JAMES FINANCIAL INC trimmed28,205$10M0.1%2026-Q1
Focus Partners Wealth added27,970$10M0.1%2026-Q1
STIFEL FINANCIAL CORP added27,547$9M0.1%2026-Q1
BESSEMER GROUP INC trimmed26,990$9M0.1%2026-Q1
Trexquant Investment LP added26,981$9M0.1%2026-Q1
Ascent Group, LLC added26,329$9M0.1%2026-Q1
ISTHMUS PARTNERS, LLC added25,841$9M0.1%2026-Q1
VANGUARD GROUP INC trimmed2,043,155$799M10.3%2025-Q4 stale
MACQUARIE GROUP LTD trimmed164,429$70M0.9%2025-Q3 stale
WESTFIELD CAPITAL MANAGEMENT CO LP added142,146$60M0.8%2025-Q3 stale
Ceredex Value Advisors LLC added66,200$32M0.4%2025-Q2 stale
Wilkinson Global Asset Management LLC added56,753$24M0.3%2025-Q3 stale
Artemis Investment Management LLP trimmed43,962$17M0.2%2025-Q4 stale
Corebridge Financial, Inc. trimmed24,678$12M0.2%2025-Q1 stale
Engle Capital Management, L.P. added20,200$10M0.1%2025-Q2 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