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Institutional Ownership · SEC Form 13F

Who owns BLFY (BLFY)


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

109
Institutional holders
12,074,393
Shares held (tracked funds)
58.2%
Of shares outstanding

How the tape is positioned

23 tracked funds added or opened BLFY while 11 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

BLFY’s largest tracked holder by dollar value, GLAZER CAPITAL, LLC, sizes it at 0.5% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.5pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in BLFY 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 109 tracked filers holding BLFY, 62 increased or opened the position and 44 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 BLFY 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 6

  • VANGUARD CAPITAL MANAGEMENT LLC$10M
  • VANGUARD FIDUCIARY TRUST CO$1M
  • VANGUARD PORTFOLIO MANAGEMENT LLC$1M
  • Yakira Capital Management, Inc.$1M
  • BALYASNY ASSET MANAGEMENT L.P.$1M
  • ODDO BHF ASSET MANAGEMENT SAS$674K

Full exits 7

  • VANGUARD GROUP INC$11M
  • T. Rowe Price Investment Management, Inc.$6M
  • Driehaus Capital Management LLC$5M
  • Trexquant Investment LP$2M
  • ExodusPoint Capital Management, LP$621K
  • TD Asset Management Inc$539K

Largest adds

  • GARDNER LEWIS ASSET MANAGEMENT L P$13M
  • GLAZER CAPITAL, LLC$11M
  • First Trust Capital Management L.P.$6M
  • PRELUDE CAPITAL MANAGEMENT, LLC$4M
  • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$2M
  • MILLENNIUM MANAGEMENT LLC$2M

Largest trims

  • DIMENSIONAL FUND ADVISORS LP$2M
  • JANE STREET GROUP, LLC$798K
  • BARCLAYS PLC$323K
  • MORGAN STANLEY$254K

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
GLAZER CAPITAL, LLC added1,719,910$23M12.2%2026-Q1
BlackRock, Inc. trimmed1,267,125$17M9.0%2026-Q1
GARDNER LEWIS ASSET MANAGEMENT L P added1,018,887$13M7.2%2026-Q1
First Trust Capital Management L.P. added1,004,006$13M7.1%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new765,793$10M5.4%2026-Q1
DIMENSIONAL FUND ADVISORS LP trimmed684,600$9M4.8%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added421,058$6M3.0%2026-Q1
STATE STREET CORP trimmed411,028$5M2.9%2026-Q1
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added358,672$5M2.5%2026-Q1
RENAISSANCE TECHNOLOGIES LLC added338,400$4M2.4%2026-Q1
PRELUDE CAPITAL MANAGEMENT, LLC added333,785$4M2.4%2026-Q1
Essex Financial Services, Inc. trimmed321,281$4M2.3%2026-Q1
ABC ARBITRAGE SA200,781$3M1.4%2026-Q1
MANGROVE PARTNERS IM, LLC198,659$3M1.4%2026-Q1
MILLENNIUM MANAGEMENT LLC added191,747$3M1.4%2026-Q1
Russell Investments Group, Ltd. added154,796$2M1.1%2026-Q1
Squarepoint Ops LLC added152,559$2M1.1%2026-Q1
NORTHERN TRUST CORP added147,371$2M1.0%2026-Q1
GOLDMAN SACHS GROUP INC added124,296$2M0.9%2026-Q1
VANGUARD FIDUCIARY TRUST CO new112,808$1M0.8%2026-Q1
Chicago Capital Management, LLC added146,012$1M0.8%2026-Q1
VANGUARD PORTFOLIO MANAGEMENT LLC new104,024$1M0.7%2026-Q1
D. E. Shaw & Co., Inc. trimmed98,540$1M0.7%2026-Q1
TUDOR INVESTMENT CORP ET AL97,253$1M0.7%2026-Q1
MORGAN STANLEY trimmed97,060$1M0.7%2026-Q1
Yakira Capital Management, Inc. new91,649$1M0.6%2026-Q1
Quantinno Capital Management LP added89,069$1M0.6%2026-Q1
BALYASNY ASSET MANAGEMENT L.P. new84,856$1M0.6%2026-Q1
NOMURA HOLDINGS INC added79,232$1M0.6%2026-Q1
TWO SIGMA INVESTMENTS, LP added68,219$903K0.5%2026-Q1
OMERS ADMINISTRATION Corp added64,800$858K0.5%2026-Q1
ODDO BHF ASSET MANAGEMENT SAS new50,964$674K0.4%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed49,739$659K0.4%2026-Q1
Bank of New York Mellon Corp trimmed47,508$629K0.3%2026-Q1
HighTower Advisors, LLC added45,003$596K0.3%2026-Q1
JANE STREET GROUP, LLC trimmed44,879$594K0.3%2026-Q1
STRS OHIO44,400$588K0.3%2026-Q1
Odyssean, LLC added43,354$574K0.3%2026-Q1
SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed41,064$544K0.3%2026-Q1
OXFORD ASSET MANAGEMENT LLP trimmed36,532$484K0.3%2026-Q1
WATER ISLAND CAPITAL LLC new35,658$472K0.3%2026-Q1
AMERICAN CENTURY COMPANIES INC added32,559$431K0.2%2026-Q1
Point72 Asset Management, L.P. added32,498$430K0.2%2026-Q1
STATE OF WISCONSIN INVESTMENT BOARD added32,438$429K0.2%2026-Q1
Nuveen, LLC28,990$384K0.2%2026-Q1
LMR Partners LLP new26,318$348K0.2%2026-Q1
PenderFund Capital Management Ltd. added25,796$342K0.2%2026-Q1
Qube Research & Technologies Ltd new23,910$317K0.2%2026-Q1
Round Hill Asset Management trimmed23,758$315K0.2%2026-Q1
RHUMBLINE ADVISERS trimmed23,678$313K0.2%2026-Q1
STIFEL FINANCIAL CORP new22,900$303K0.2%2026-Q1
Cerity Partners LLC trimmed22,758$301K0.2%2026-Q1
XTX Topco Ltd new20,031$265K0.1%2026-Q1
BRIDGEWAY CAPITAL MANAGEMENT, LLC20,000$265K0.1%2026-Q1
Corient Private Wealth LLC added19,792$262K0.1%2026-Q1
Murchinson Ltd. new18,800$249K0.1%2026-Q1
WITTENBERG INVESTMENT MANAGEMENT, INC. trimmed18,195$241K0.1%2026-Q1
ALLIANCEBERNSTEIN L.P.18,220$226K0.1%2026-Q1
AQR CAPITAL MANAGEMENT LLC added16,605$220K0.1%2026-Q1
Legal & General Group Plc added16,119$213K0.1%2026-Q1
PNC FINANCIAL SERVICES GROUP, INC. added16,062$213K0.1%2026-Q1
Vanguard Personalized Indexing Management, LLC new15,926$211K0.1%2026-Q1
Virtu Financial LLC added15,723$208K0.1%2026-Q1
MERCER GLOBAL ADVISORS INC /ADV added15,499$205K0.1%2026-Q1
CWA Asset Management Group, LLC new13,000$172K0.1%2026-Q1
MetLife Investment Management, LLC12,749$169K0.1%2026-Q1
PRICE T ROWE ASSOCIATES INC /MD/ added12,562$167K0.1%2026-Q1
Schonfeld Strategic Advisors LLC added11,948$158K0.1%2026-Q1
FARLEY CAPITAL L.P.11,263$149K0.1%2026-Q1
UBS Group AG trimmed10,691$142K0.1%2026-Q1
SEI INVESTMENTS CO added10,125$134K0.1%2026-Q1
SUMMIT SECURITIES GROUP LLC new9,953$132K0.1%2026-Q1
Tower Research Capital LLC (TRC) added9,528$126K0.1%2026-Q1
SG Americas Securities, LLC trimmed9,534$126K0.1%2026-Q1
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added8,560$113K0.1%2026-Q1
WELLS FARGO & COMPANY/MN trimmed7,179$95K0.1%2026-Q1
JPMORGAN CHASE & CO trimmed7,424$95K0.1%2026-Q1
VANGUARD GROUP INC trimmed860,458$11M5.7%2025-Q4 stale
T. Rowe Price Investment Management, Inc. trimmed479,245$6M3.2%2025-Q4 stale
Driehaus Capital Management LLC400,997$5M2.7%2025-Q4 stale
Trexquant Investment LP added137,014$2M0.9%2025-Q4 stale
ExodusPoint Capital Management, LP new49,992$621K0.3%2025-Q4 stale
TD Asset Management Inc trimmed43,376$539K0.3%2025-Q4 stale
LOS ANGELES CAPITAL MANAGEMENT LLC trimmed60,822$514K0.3%2025-Q4 stale
CITADEL ADVISORS LLC trimmed55,080$501K0.3%2025-Q3 stale
CANTOR FITZGERALD, L. P. new23,154$288K0.2%2025-Q4 stale
HRT FINANCIAL LP added21,685$269K0.1%2025-Q4 stale
Invesco Ltd. trimmed21,111$262K0.1%2025-Q4 stale
BANK OF AMERICA CORP /DE/ added20,512$255K0.1%2025-Q4 stale
PARK AVENUE SECURITIES LLC24,177$220K0.1%2025-Q3 stale
OCCUDO QUANTITATIVE STRATEGIES LP added15,094$188K0.1%2025-Q4 stale
GSA CAPITAL PARTNERS LLP trimmed14,548$181K0.1%2025-Q4 stale
ENVESTNET ASSET MANAGEMENT INC new17,468$159K0.1%2025-Q3 stale
PANAGORA ASSET MANAGEMENT INC trimmed16,525$158K0.1%2025-Q2 stale
TWO SIGMA ADVISERS, LP added15,000$138K0.1%2025-Q1 stale
SlateStone Wealth, LLC11,100$138K0.1%2025-Q4 stale
FIRST TRUST ADVISORS LP trimmed13,935$128K0.1%2025-Q1 stale
INTECH INVESTMENT MANAGEMENT LLC new13,528$124K0.1%2025-Q1 stale
PDT Partners, LLC trimmed12,260$117K0.1%2025-Q2 stale
MARSHALL WACE, LLP new11,614$106K0.1%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