Who owns BXC
Which tracked institutional funds hold BXC, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See BXC 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.
How the tape is positioned
22 tracked funds added or opened BXC while 41 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
BXC’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 BXC more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in BXC 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 146 tracked filers holding BXC, 81 increased or opened the position and 64 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 BXC 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 9
- VANGUARD CAPITAL MANAGEMENT LLC$19M
- VANGUARD PORTFOLIO MANAGEMENT LLC$3M
- VANGUARD FIDUCIARY TRUST CO$3M
- HRT FINANCIAL LP$2M
- XTX Topco Ltd$2M
- Vanguard Global Advisers, LLC$755K
Full exits 6
- VANGUARD GROUP INC$25M
- Walleye Capital LLC$3M
- TWO SIGMA ADVISERS, LP$1M
- D. E. Shaw & Co., Inc.$1M
- OP Asset Management Ltd$1M
- COMERICA BANK$781K
Largest adds
- JANE STREET GROUP, LLC$4M
- SEI INVESTMENTS CO$1M
- Empowered Funds, LLC$1M
- AQR CAPITAL MANAGEMENT LLC$1M
- Quantinno Capital Management LP$930K
- TWO SIGMA INVESTMENTS, LP$802K
Largest trims
- BlackRock, Inc.$26M
- TOWLE & CO$5M
- AMERICAN CENTURY COMPANIES INC$4M
- GENDELL JEFFREY L$4M
- Medina Value Partners, LLC$4M
- Concentric Capital Strategies, LP$4M
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).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. trimmed | 858,906 | $47M | 9.9% | 2026-Q1 |
| GENDELL JEFFREY L added | 739,523 | $40M | 8.5% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP added | 512,594 | $28M | 5.9% | 2026-Q1 |
| JB CAPITAL PARTNERS LP | 393,649 | $21M | 4.5% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 348,989 | $19M | 4.0% | 2026-Q1 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. added | 321,874 | $17M | 3.7% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 280,789 | $15M | 3.2% | 2026-Q1 |
| VICTORY CAPITAL MANAGEMENT INC added | 259,244 | $14M | 3.0% | 2026-Q1 |
| River Road Asset Management, LLC added | 243,914 | $13M | 2.8% | 2026-Q1 |
| STATE STREET CORP added | 193,864 | $11M | 2.2% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 190,207 | $10M | 2.2% | 2026-Q1 |
| AMERICAN CENTURY COMPANIES INC trimmed | 180,042 | $10M | 2.1% | 2026-Q1 |
| Medina Value Partners, LLC trimmed | 168,777 | $9M | 1.9% | 2026-Q1 |
| Mill Road Capital Management LLC | 134,964 | $7M | 1.6% | 2026-Q1 |
| JACOBS LEVY EQUITY MANAGEMENT, INC added | 126,129 | $7M | 1.5% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC trimmed | 119,943 | $6M | 1.4% | 2026-Q1 |
| Empowered Funds, LLC added | 110,018 | $6M | 1.3% | 2026-Q1 |
| TOWLE & CO trimmed | 104,587 | $6M | 1.2% | 2026-Q1 |
| Divisadero Street Capital Management, LP | 103,141 | $6M | 1.2% | 2026-Q1 |
| HEARTLAND ADVISORS INC added | 92,075 | $5M | 1.1% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 88,286 | $5M | 1.0% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 87,840 | $5M | 1.0% | 2026-Q1 |
| Polar Asset Management Partners Inc. trimmed | 82,500 | $4M | 1.0% | 2026-Q1 |
| NORTHERN TRUST CORP added | 71,614 | $4M | 0.8% | 2026-Q1 |
| MORGAN STANLEY added | 71,603 | $4M | 0.8% | 2026-Q1 |
| Meros Investment Management, LP trimmed | 70,270 | $4M | 0.8% | 2026-Q1 |
| THIRD AVENUE MANAGEMENT LLC added | 64,369 | $3M | 0.7% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 64,240 | $3M | 0.7% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 61,488 | $3M | 0.7% | 2026-Q1 |
| SEI INVESTMENTS CO added | 59,592 | $3M | 0.7% | 2026-Q1 |
| Atom Investors LP added | 58,298 | $3M | 0.7% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 53,541 | $3M | 0.6% | 2026-Q1 |
| BARCLAYS PLC trimmed | 51,948 | $3M | 0.6% | 2026-Q1 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC trimmed | 51,469 | $3M | 0.6% | 2026-Q1 |
| De Lisle Partners LLP | 47,873 | $3M | 0.6% | 2026-Q1 |
| JPMORGAN CHASE & CO trimmed | 48,405 | $3M | 0.5% | 2026-Q1 |
| LSV ASSET MANAGEMENT trimmed | 45,500 | $2M | 0.5% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC added | 41,802 | $2M | 0.5% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ trimmed | 38,238 | $2M | 0.4% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 38,061 | $2M | 0.4% | 2026-Q1 |
| HRT FINANCIAL LP added | 37,255 | $2M | 0.4% | 2026-Q1 |
| XTX Topco Ltd added | 36,698 | $2M | 0.4% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 36,600 | $2M | 0.4% | 2026-Q1 |
| Quantinno Capital Management LP added | 34,657 | $2M | 0.4% | 2026-Q1 |
| HARBOR CAPITAL ADVISORS, INC. trimmed | 32,332 | $2M | 0.4% | 2026-Q1 |
| Allianz Asset Management GmbH added | 28,923 | $2M | 0.3% | 2026-Q1 |
| Invesco Ltd. added | 28,561 | $2M | 0.3% | 2026-Q1 |
| CITADEL ADVISORS LLC added | 27,395 | $1M | 0.3% | 2026-Q1 |
| Bank of New York Mellon Corp trimmed | 23,887 | $1M | 0.3% | 2026-Q1 |
| STATE OF WISCONSIN INVESTMENT BOARD trimmed | 23,816 | $1M | 0.3% | 2026-Q1 |
| Mutual Advisors, LLC | 23,609 | $1M | 0.3% | 2026-Q1 |
| FEDERATED HERMES, INC. added | 23,563 | $1M | 0.3% | 2026-Q1 |
| Nuveen, LLC added | 23,371 | $1M | 0.3% | 2026-Q1 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed | 21,437 | $1M | 0.2% | 2026-Q1 |
| NORGES BANK | 15,000 | $1M | 0.2% | 2026-Q1 |
| HSBC HOLDINGS PLC trimmed | 18,338 | $985K | 0.2% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 17,998 | $975K | 0.2% | 2026-Q1 |
| LPL Financial LLC trimmed | 16,439 | $891K | 0.2% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 16,281 | $883K | 0.2% | 2026-Q1 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP trimmed | 15,863 | $859K | 0.2% | 2026-Q1 |
| SG Americas Securities, LLC trimmed | 15,424 | $836K | 0.2% | 2026-Q1 |
| Swiss National Bank | 15,400 | $834K | 0.2% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 15,032 | $814K | 0.2% | 2026-Q1 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added | 14,153 | $767K | 0.2% | 2026-Q1 |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC added | 14,134 | $766K | 0.2% | 2026-Q1 |
| Vanguard Global Advisers, LLC new | 13,929 | $755K | 0.2% | 2026-Q1 |
| Numerai GP LLC added | 13,370 | $724K | 0.2% | 2026-Q1 |
| FIFTH THIRD BANCORP new | 12,718 | $689K | 0.1% | 2026-Q1 |
| Engineers Gate Manager LP trimmed | 11,218 | $608K | 0.1% | 2026-Q1 |
| Brooklyn Investment Group added | 10,888 | $590K | 0.1% | 2026-Q1 |
| UBS Group AG trimmed | 10,709 | $580K | 0.1% | 2026-Q1 |
| RHUMBLINE ADVISERS trimmed | 10,238 | $555K | 0.1% | 2026-Q1 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO added | 10,235 | $555K | 0.1% | 2026-Q1 |
| Round Rock Advisors LLC added | 10,017 | $543K | 0.1% | 2026-Q1 |
| BALYASNY ASSET MANAGEMENT L.P. added | 9,753 | $528K | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC trimmed | 413,302 | $25M | 5.4% | 2025-Q4 stale |
| Catawba River Capital new | 101,684 | $7M | 1.6% | 2025-Q3 stale |
| Voss Capital, LP added | 60,000 | $4M | 0.9% | 2025-Q3 stale |
| LORD, ABBETT & CO. LLC trimmed | 46,319 | $3M | 0.7% | 2025-Q1 stale |
| Walleye Capital LLC added | 53,319 | $3M | 0.7% | 2025-Q4 stale |
| GREAT LAKES ADVISORS, LLC trimmed | 33,580 | $3M | 0.5% | 2025-Q1 stale |
| RAYMOND JAMES FINANCIAL INC added | 33,613 | $3M | 0.5% | 2025-Q2 stale |
| DENALI ADVISORS LLC trimmed | 31,223 | $2M | 0.5% | 2025-Q1 stale |
| GLOBEFLEX CAPITAL L P | 30,511 | $2M | 0.5% | 2025-Q2 stale |
| Invenomic Capital Management LP trimmed | 27,000 | $2M | 0.4% | 2025-Q3 stale |
| Brandywine Global Investment Management, LLC trimmed | 25,673 | $2M | 0.4% | 2025-Q1 stale |
| TWO SIGMA ADVISERS, LP added | 24,100 | $1M | 0.3% | 2025-Q4 stale |
| D. E. Shaw & Co., Inc. added | 23,322 | $1M | 0.3% | 2025-Q4 stale |
| OP Asset Management Ltd added | 19,723 | $1M | 0.3% | 2025-Q4 stale |
| Oliver Luxxe Assets LLC added | 15,701 | $1M | 0.3% | 2025-Q1 stale |
| Qube Research & Technologies Ltd trimmed | 15,619 | $1M | 0.2% | 2025-Q1 stale |
| ALGERT GLOBAL LLC trimmed | 12,852 | $939K | 0.2% | 2025-Q3 stale |
| COMERICA BANK added | 12,718 | $781K | 0.2% | 2025-Q4 stale |
| Militia Capital Partners, LP trimmed | 10,000 | $744K | 0.2% | 2025-Q2 stale |
| LAZARD ASSET MANAGEMENT LLC added | 9,239 | $675K | 0.1% | 2025-Q3 stale |
| SummerHaven Investment Management, LLC added | 8,693 | $647K | 0.1% | 2025-Q2 stale |
| MARTINGALE ASSET MANAGEMENT L P trimmed | 8,516 | $639K | 0.1% | 2025-Q1 stale |
| GSA CAPITAL PARTNERS LLP trimmed | 8,641 | $631K | 0.1% | 2025-Q3 stale |
| PRUDENTIAL FINANCIAL INC trimmed | 7,221 | $528K | 0.1% | 2025-Q3 stale |
| Summit Global Investments trimmed | 6,815 | $511K | 0.1% | 2025-Q1 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.
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.