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Institutional Ownership · SEC Form 13F

Who owns Slide Insurance Holdings, Inc. Common Stock (SLDE)


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

186
Institutional holders
53M
Shares held (tracked funds)
42.8%
Of shares outstanding

How the tape is positioned

68 tracked funds added or opened SLDE while 52 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

SLDE’s largest tracked holder by dollar value, BlackRock, 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 SLDE more heavily than its largest holder by dollar value does.

Book-share is each fund’s reported value in SLDE 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 186 tracked filers holding SLDE, 124 increased or opened the position and 78 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 SLDE 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 24

  • VANGUARD PORTFOLIO MANAGEMENT LLC$83M
  • VANGUARD CAPITAL MANAGEMENT LLC$45M
  • Capital International Investors$28M
  • Philadelphia Financial Management of San Francisco, LLC$5M
  • VANGUARD FIDUCIARY TRUST CO$4M
  • XTX Topco Ltd$3M

Full exits 23

  • VANGUARD GROUP INC$50M
  • MILLENNIUM MANAGEMENT LLC$17M
  • Merit Financial Group, LLC$11M
  • Point72 Asset Management, L.P.$11M
  • MARSHALL WACE, LLP$10M
  • Walleye Capital LLC$9M

Largest adds

  • UBS Group AG$43M
  • BlackRock, Inc.$37M
  • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$35M
  • Maniro Ltd$19M
  • AMERICAN CENTURY COMPANIES INC$18M
  • GEODE CAPITAL MANAGEMENT, LLC$14M

Largest trims

  • CITADEL ADVISORS LLC$35M
  • Capital World Investors$35M
  • BALYASNY ASSET MANAGEMENT L.P.$31M
  • Freestone Grove Partners LP$10M
  • JPMORGAN CHASE & CO$7M
  • GOLDMAN SACHS GROUP INC$6M

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
BlackRock, Inc. added7,671,890$138M12.0%2026-Q1
VANGUARD PORTFOLIO MANAGEMENT LLC new4,608,096$83M7.2%2026-Q1
AMERICAN CENTURY COMPANIES INC added3,453,182$62M5.4%2026-Q1
Capital World Investors trimmed2,915,649$52M4.6%2026-Q1
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added2,687,802$48M4.2%2026-Q1
UBS Group AG added2,529,393$46M4.0%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new2,506,456$45M3.9%2026-Q1
DME Capital Management, LP added1,686,630$30M2.6%2026-Q1
Capital International Investors new1,567,531$28M2.5%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added1,512,433$27M2.4%2026-Q1
Maniro Ltd added1,398,025$25M2.2%2026-Q1
Hood River Capital Management LLC added1,252,990$23M2.0%2026-Q1
STATE STREET CORP added1,196,393$22M1.9%2026-Q1
HB Wealth Management, LLC trimmed892,403$16M1.4%2026-Q1
LAZARD ASSET MANAGEMENT LLC added849,967$15M1.3%2026-Q1
Nuveen, LLC added693,769$12M1.1%2026-Q1
GOLDMAN SACHS GROUP INC trimmed613,733$11M1.0%2026-Q1
Freestone Grove Partners LP trimmed529,244$10M0.8%2026-Q1
MORGAN STANLEY added525,736$9M0.8%2026-Q1
BANK OF AMERICA CORP /DE/ trimmed505,136$9M0.8%2026-Q1
NORTHERN TRUST CORP added472,454$9M0.7%2026-Q1
TWO SIGMA INVESTMENTS, LP added463,735$8M0.7%2026-Q1
EMERALD MUTUAL FUND ADVISERS TRUST added459,820$8M0.7%2026-Q1
FIFTH THIRD BANCORP added423,202$8M0.7%2026-Q1
Ghisallo Capital Management LLC400,000$7M0.6%2026-Q1
Burkehill Global Management, LP400,000$7M0.6%2026-Q1
SEI INVESTMENTS CO added399,507$7M0.6%2026-Q1
RAYMOND JAMES FINANCIAL INC added393,699$7M0.6%2026-Q1
DEUTSCHE BANK AG\ added390,896$7M0.6%2026-Q1
PRUDENTIAL FINANCIAL INC added384,370$7M0.6%2026-Q1
VOYA INVESTMENT MANAGEMENT LLC added383,585$7M0.6%2026-Q1
FEDERATED HERMES, INC. trimmed367,540$7M0.6%2026-Q1
FIRST AMERICAN BANK363,375$7M0.6%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added329,633$6M0.5%2026-Q1
CITADEL ADVISORS LLC trimmed292,257$5M0.5%2026-Q1
Philadelphia Financial Management of San Francisco, LLC trimmed280,000$5M0.4%2026-Q1
FourThought Financial Partners, LLC trimmed275,506$5M0.4%2026-Q1
Russell Investments Group, Ltd. added268,790$5M0.4%2026-Q1
JACOBS LEVY EQUITY MANAGEMENT, INC added267,455$5M0.4%2026-Q1
Allworth Financial LP trimmed220,084$4M0.3%2026-Q1
Suncoast Equity Management added219,295$4M0.3%2026-Q1
VANGUARD FIDUCIARY TRUST CO new215,652$4M0.3%2026-Q1
Man Group plc added214,683$4M0.3%2026-Q1
Trexquant Investment LP added207,671$4M0.3%2026-Q1
Axis Wealth Partners, LLC added203,502$4M0.3%2026-Q1
XTX Topco Ltd added192,822$3M0.3%2026-Q1
GREAT LAKES ADVISORS, LLC trimmed191,930$3M0.3%2026-Q1
BALYASNY ASSET MANAGEMENT L.P. trimmed186,421$3M0.3%2026-Q1
Woodline Partners LP trimmed182,090$3M0.3%2026-Q1
JANUS HENDERSON GROUP PLC added172,683$3M0.3%2026-Q1
Boston Partners trimmed153,788$3M0.2%2026-Q1
Bank of New York Mellon Corp added152,359$3M0.2%2026-Q1
Blackhawk Capital Partners, LLC added148,222$3M0.2%2026-Q1
Apollon Wealth Management, LLC trimmed148,123$3M0.2%2026-Q1
Avantax Planning Partners, Inc. trimmed119,029$2M0.2%2026-Q1
LPL Financial LLC added117,533$2M0.2%2026-Q1
LOS ANGELES CAPITAL MANAGEMENT LLC added117,416$2M0.2%2026-Q1
Swiss Life Asset Management Ltd new26,152$2M0.2%2026-Q1
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND trimmed111,300$2M0.2%2026-Q1
Vestmark Advisory Solutions, Inc.100,837$2M0.2%2026-Q1
World Investment Advisors100,837$2M0.2%2026-Q1
Aquatic Capital Management LLC added91,131$2M0.1%2026-Q1
PRELUDE CAPITAL MANAGEMENT, LLC added89,564$2M0.1%2026-Q1
Quantbot Technologies LP trimmed86,828$2M0.1%2026-Q1
EMERALD ADVISERS, LLC added85,885$2M0.1%2026-Q1
ALLIANCEBERNSTEIN L.P. added72,100$1M0.1%2026-Q1
RHUMBLINE ADVISERS added75,161$1M0.1%2026-Q1
RENAISSANCE TECHNOLOGIES LLC added67,710$1M0.1%2026-Q1
Cresset Asset Management, LLC new64,465$1M0.1%2026-Q1
BNP PARIBAS ASSET MANAGEMENT Holding S.A. new62,935$1M0.1%2026-Q1
Invesco Ltd. added61,643$1M0.1%2026-Q1
VANGUARD GROUP INC added2,569,302$50M4.4%2025-Q4 stale
GQG Partners LLC trimmed2,989,964$47M4.1%2025-Q3 stale
Driehaus Capital Management LLC new1,120,201$24M2.1%2025-Q2 stale
MILLENNIUM MANAGEMENT LLC added896,839$17M1.5%2025-Q4 stale
Merit Financial Group, LLC new550,502$11M0.9%2025-Q4 stale
Point72 Asset Management, L.P. added546,358$11M0.9%2025-Q4 stale
MARSHALL WACE, LLP added526,847$10M0.9%2025-Q4 stale
Walleye Capital LLC added452,890$9M0.8%2025-Q4 stale
SOROS FUND MANAGEMENT LLC new250,000$5M0.5%2025-Q2 stale
Alyeska Investment Group, L.P. trimmed258,966$5M0.4%2025-Q4 stale
LMR Partners LLP new194,925$4M0.4%2025-Q2 stale
Counterpoint Mutual Funds LLC new189,634$4M0.3%2025-Q4 stale
D. E. Shaw & Co., Inc. new150,000$3M0.3%2025-Q2 stale
JANE STREET GROUP, LLC new151,901$3M0.3%2025-Q4 stale
Monashee Investment Management LLC new175,000$3M0.2%2025-Q3 stale
TUDOR INVESTMENT CORP ET AL added137,884$3M0.2%2025-Q4 stale
Alden Global Capital LLC new130,000$3M0.2%2025-Q4 stale
Jain Global LLC trimmed152,100$2M0.2%2025-Q3 stale
Limestone Investment Advisors LP new100,000$2M0.2%2025-Q2 stale
Zimmer Partners, LP trimmed90,651$2M0.2%2025-Q4 stale
Hudson Bay Capital Management LP new77,000$2M0.1%2025-Q2 stale
Waverly Advisors, LLC new85,106$2M0.1%2025-Q4 stale
Blackstone Inc. new75,000$2M0.1%2025-Q2 stale
CERTUITY, LLC new79,732$2M0.1%2025-Q4 stale
HRT FINANCIAL LP new74,676$1M0.1%2025-Q4 stale
NewEdge Advisors, LLC new65,547$1M0.1%2025-Q4 stale
Longaeva Partners L.P. trimmed63,027$1M0.1%2025-Q4 stale
Point72 (DIFC) Ltd new56,655$1M0.1%2025-Q2 stale
NEW VERNON INVESTMENT MANAGEMENT LLC new56,362$1M0.1%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