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Institutional Ownership · SEC Form 13F

Who owns ALNT (ALNT)


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

214
Institutional holders
12,893,560
Shares held (tracked funds)
76.1%
Of shares outstanding

How the tape is positioned

58 tracked funds added or opened ALNT while 26 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

ALNT’s largest tracked holder by dollar value, FMR LLC, 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 ALNT more heavily than its largest holder by dollar value does.

Book-share is each fund’s reported value in ALNT 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 214 tracked filers holding ALNT, 111 increased or opened the position and 86 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 ALNT 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 18

  • VANGUARD CAPITAL MANAGEMENT LLC$39M
  • VANGUARD PORTFOLIO MANAGEMENT LLC$14M
  • GILDER GAGNON HOWE & CO LLC$10M
  • VANGUARD FIDUCIARY TRUST CO$6M
  • Qube Research & Technologies Ltd$4M
  • Oliver Luxxe Assets LLC$3M

Full exits 6

  • VANGUARD GROUP INC$48M
  • Handelsbanken Fonder AB$14M
  • PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.$5M
  • Bridgewater Associates, LP$3M
  • Empowered Funds, LLC$815K
  • Tulsa Wealth Advisors, INC$659K

Largest adds

  • JENNISON ASSOCIATES LLC$12M
  • BlackRock, Inc.$7M
  • GEODE CAPITAL MANAGEMENT, LLC$6M
  • GOLDMAN SACHS GROUP INC$3M
  • MILLENNIUM MANAGEMENT LLC$3M
  • Portolan Capital Management, LLC$3M

Largest trims

  • Allspring Global Investments Holdings, LLC$4M
  • FMR LLC$2M
  • DIMENSIONAL FUND ADVISORS LP$2M
  • DIAMOND HILL CAPITAL MANAGEMENT INC$2M
  • Invesco Ltd.$1M
  • MORGAN STANLEY$1M

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
FMR LLC trimmed2,062,233$122M14.6%2026-Q1
BlackRock, Inc. added1,180,227$70M8.4%2026-Q1
Juniper Investment Company, LLC trimmed795,922$47M5.6%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new661,951$39M4.7%2026-Q1
DIMENSIONAL FUND ADVISORS LP trimmed605,261$36M4.3%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added438,184$26M3.1%2026-Q1
STATE STREET CORP added402,440$24M2.8%2026-Q1
Driehaus Capital Management LLC trimmed373,958$22M2.6%2026-Q1
JENNISON ASSOCIATES LLC added353,430$21M2.5%2026-Q1
Portolan Capital Management, LLC added323,453$19M2.3%2026-Q1
PINNACLE ASSOCIATES LTD trimmed247,044$15M1.7%2026-Q1
VANGUARD PORTFOLIO MANAGEMENT LLC new244,506$14M1.7%2026-Q1
Allspring Global Investments Holdings, LLC trimmed214,056$13M1.5%2026-Q1
ACADIAN ASSET MANAGEMENT LLC trimmed192,663$11M1.4%2026-Q1
GAMCO INVESTORS, INC. ET AL175,110$10M1.2%2026-Q1
MILLENNIUM MANAGEMENT LLC added174,496$10M1.2%2026-Q1
GILDER GAGNON HOWE & CO LLC new171,857$10M1.2%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed166,223$10M1.2%2026-Q1
NORTHERN TRUST CORP added164,043$10M1.2%2026-Q1
MORGAN STANLEY trimmed151,334$9M1.1%2026-Q1
Telemark Asset Management, LLC150,000$9M1.1%2026-Q1
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP trimmed146,673$9M1.0%2026-Q1
Hillsdale Investment Management Inc. trimmed134,490$8M1.0%2026-Q1
GOLDMAN SACHS GROUP INC added133,533$8M0.9%2026-Q1
ZACKS INVESTMENT MANAGEMENT added105,333$6M0.7%2026-Q1
SEIZERT CAPITAL PARTNERS, LLC trimmed100,849$6M0.7%2026-Q1
RENAISSANCE TECHNOLOGIES LLC trimmed100,172$6M0.7%2026-Q1
VANGUARD FIDUCIARY TRUST CO new96,686$6M0.7%2026-Q1
SILVERCREST ASSET MANAGEMENT GROUP LLC trimmed89,138$5M0.6%2026-Q1
Bank of New York Mellon Corp trimmed83,392$5M0.6%2026-Q1
Nuveen, LLC added72,912$4M0.5%2026-Q1
PRUDENTIAL FINANCIAL INC added70,938$4M0.5%2026-Q1
GABELLI FUNDS LLC68,370$4M0.5%2026-Q1
Qube Research & Technologies Ltd added63,883$4M0.5%2026-Q1
North Star Investment Management Corp. trimmed62,170$4M0.4%2026-Q1
TWO SIGMA INVESTMENTS, LP added57,815$3M0.4%2026-Q1
Squarepoint Ops LLC added56,849$3M0.4%2026-Q1
Man Group plc added55,885$3M0.4%2026-Q1
SEI INVESTMENTS CO added55,424$3M0.4%2026-Q1
DIAMOND HILL CAPITAL MANAGEMENT INC trimmed54,873$3M0.4%2026-Q1
Invesco Ltd. trimmed53,465$3M0.4%2026-Q1
UBS Group AG trimmed52,525$3M0.4%2026-Q1
BNP PARIBAS FINANCIAL MARKETS added50,777$3M0.4%2026-Q1
Oliver Luxxe Assets LLC new49,419$3M0.3%2026-Q1
AMERICAN CENTURY COMPANIES INC trimmed49,312$3M0.3%2026-Q1
Zweig-DiMenna Associates LLC new47,000$3M0.3%2026-Q1
G2 Investment Partners Management LLC added46,377$3M0.3%2026-Q1
Trexquant Investment LP added46,222$3M0.3%2026-Q1
Teton Advisors, LLC trimmed46,000$3M0.3%2026-Q1
PANAGORA ASSET MANAGEMENT INC trimmed45,322$3M0.3%2026-Q1
Fisher Asset Management, LLC trimmed43,265$3M0.3%2026-Q1
JPMORGAN CHASE & CO added41,841$2M0.3%2026-Q1
GLOBEFLEX CAPITAL L P41,832$2M0.3%2026-Q1
Lisanti Capital Growth, LLC added41,590$2M0.3%2026-Q1
HERALD INVESTMENT MANAGEMENT Ltd40,000$2M0.3%2026-Q1
TUDOR INVESTMENT CORP ET AL trimmed38,889$2M0.3%2026-Q1
EDGEWOOD MANAGEMENT LLC38,800$2M0.3%2026-Q1
FRANKLIN RESOURCES INC trimmed38,071$2M0.3%2026-Q1
Russell Investments Group, Ltd. added37,376$2M0.3%2026-Q1
HOWE & RUSLING INC trimmed35,631$2M0.3%2026-Q1
ENVESTNET ASSET MANAGEMENT INC added33,862$2M0.2%2026-Q1
SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed33,719$2M0.2%2026-Q1
RAYMOND JAMES FINANCIAL INC added33,616$2M0.2%2026-Q1
BANK OF AMERICA CORP /DE/ added33,389$2M0.2%2026-Q1
HSBC HOLDINGS PLC added33,066$2M0.2%2026-Q1
AQR CAPITAL MANAGEMENT LLC added30,614$2M0.2%2026-Q1
Creative Planning added30,033$2M0.2%2026-Q1
MARTINGALE ASSET MANAGEMENT L P added29,895$2M0.2%2026-Q1
Informed Momentum Co LLC27,484$2M0.2%2026-Q1
Swiss National Bank26,700$2M0.2%2026-Q1
Legato Capital Management LLC added26,369$2M0.2%2026-Q1
O'SHAUGHNESSY ASSET MANAGEMENT, LLC added24,348$1M0.2%2026-Q1
PRINCIPAL FINANCIAL GROUP INC added23,861$1M0.2%2026-Q1
CITADEL ADVISORS LLC trimmed22,324$1M0.2%2026-Q1
Round Rock Advisors LLC added22,264$1M0.2%2026-Q1
BARCLAYS PLC trimmed22,090$1M0.2%2026-Q1
CANADA LIFE ASSURANCE Co added20,319$1M0.1%2026-Q1
Integrated Quantitative Investments LLC trimmed19,766$1M0.1%2026-Q1
RITHOLTZ WEALTH MANAGEMENT added19,519$1M0.1%2026-Q1
DEUTSCHE BANK AG\ added19,506$1M0.1%2026-Q1
RHUMBLINE ADVISERS trimmed18,878$1M0.1%2026-Q1
STATE OF WISCONSIN INVESTMENT BOARD trimmed17,100$1M0.1%2026-Q1
BRIDGEWAY CAPITAL MANAGEMENT, LLC added16,300$963K0.1%2026-Q1
VANGUARD GROUP INC trimmed896,756$48M5.8%2025-Q4 stale
Handelsbanken Fonder AB added257,323$14M1.7%2025-Q4 stale
GLOBAL VALUE INVESTMENT CORP. trimmed221,045$8M1.0%2025-Q2 stale
AIGH Capital Management LLC new200,000$7M0.9%2025-Q2 stale
MARSHALL WACE, LLP added153,819$7M0.8%2025-Q3 stale
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.89,500$5M0.6%2025-Q4 stale
Bridgewater Associates, LP added48,385$3M0.3%2025-Q4 stale
Teton Advisors, Inc. added70,000$3M0.3%2025-Q2 stale
BANK OF MONTREAL /CAN/93,956$2M0.2%2025-Q1 stale
Pullen Investment Management, LLC added49,615$2M0.2%2025-Q2 stale
FIRST TRUST ADVISORS LP added48,093$2M0.2%2025-Q2 stale
JANE STREET GROUP, LLC trimmed28,809$1M0.2%2025-Q3 stale
Aviso Financial Inc. trimmed33,020$1M0.1%2025-Q2 stale
ExodusPoint Capital Management, LP added24,597$1M0.1%2025-Q3 stale
Mill Road Capital Management LLC50,000$1M0.1%2025-Q1 stale
Parcion Private Wealth LLC trimmed28,798$1M0.1%2025-Q2 stale
VICTORY CAPITAL MANAGEMENT INC trimmed22,090$989K0.1%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