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Institutional Ownership · SEC Form 13F

Who owns VOR (VOR)


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

80
Institutional holders
40,445,154
Shares held (tracked funds)

How the tape is positioned

The tracked-fund tape on VOR is one-sided between 2025-Q4 and 2026-Q1: 40 added or opened and 5 trimmed or exited — on balance accumulating.

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

VOR’s largest tracked holder by dollar value, TCG Crossover Management, LLC, sizes it at 2.8% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 2.8pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in VOR 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 80 tracked filers holding VOR, 61 increased or opened the position and 19 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 VOR 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 16

  • TCG Crossover Management, LLC$96M
  • VANGUARD CAPITAL MANAGEMENT LLC$26M
  • MARSHALL WACE, LLP$21M
  • Rosalind Advisors, Inc.$12M
  • BOOTHBAY FUND MANAGEMENT, LLC$10M
  • BRAIDWELL LP$8M

Full exits 3

  • VANGUARD GROUP INC$10M
  • FINDELL CAPITAL MANAGEMENT LLC$3M
  • AMERIPRISE FINANCIAL INC$2M

Largest adds

  • Venrock Adviser, LLC$29M
  • FCPM III SERVICES B.V.$26M
  • RA CAPITAL MANAGEMENT, L.P.$26M
  • Caligan Partners LP$24M
  • STATE STREET CORP$19M
  • GREAT POINT PARTNERS LLC$13M

Largest trims

  • FMR LLC$6M
  • CITADEL ADVISORS LLC$3M

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
TCG Crossover Management, LLC new5,673,078$96M12.9%2026-Q1
RA CAPITAL MANAGEMENT, L.P.5,404,998$96M12.8%2026-Q1
FCPM III SERVICES B.V. added4,117,354$73M9.8%2026-Q1
Venrock Adviser, LLC added3,041,719$54M7.2%2026-Q1
Frazier Life Sciences Management, L.P.2,543,939$45M6.0%2026-Q1
Caligan Partners LP added1,925,066$34M4.6%2026-Q1
Paradigm Biocapital Advisors LP1,750,000$31M4.2%2026-Q1
GREAT POINT PARTNERS LLC added1,750,000$31M4.2%2026-Q1
FMR LLC trimmed1,536,125$27M3.7%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new1,433,280$26M3.4%2026-Q1
MARSHALL WACE, LLP added1,153,276$21M2.7%2026-Q1
STATE STREET CORP added1,118,458$20M2.7%2026-Q1
NEXTBio Capital Management LP999,967$18M2.4%2026-Q1
BlackRock, Inc. added794,759$14M1.9%2026-Q1
Logos Global Management LP added750,000$13M1.8%2026-Q1
Rosalind Advisors, Inc. added700,000$12M1.7%2026-Q1
BOOTHBAY FUND MANAGEMENT, LLC added555,702$10M1.3%2026-Q1
UBS Group AG added488,368$9M1.2%2026-Q1
BRAIDWELL LP new466,774$8M1.1%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added342,573$6M0.8%2026-Q1
Clearline Capital LP new326,168$6M0.8%2026-Q1
SPHERA FUNDS MANAGEMENT LTD. trimmed321,917$6M0.8%2026-Q1
Laurion Capital Management LP added318,670$6M0.8%2026-Q1
Propel Bio Management, LLC new314,543$6M0.7%2026-Q1
GOLDMAN SACHS GROUP INC added261,891$5M0.6%2026-Q1
MILLENNIUM MANAGEMENT LLC added258,587$5M0.6%2026-Q1
SUSQUEHANNA INTERNATIONAL GROUP, LLP added232,608$4M0.6%2026-Q1
VANGUARD FIDUCIARY TRUST CO new185,511$3M0.4%2026-Q1
Jump Financial, LLC added173,028$3M0.4%2026-Q1
TUDOR INVESTMENT CORP ET AL trimmed152,571$3M0.4%2026-Q1
CITADEL ADVISORS LLC trimmed148,768$3M0.4%2026-Q1
RENAISSANCE TECHNOLOGIES LLC added128,839$2M0.3%2026-Q1
MORGAN STANLEY added116,721$2M0.3%2026-Q1
BANK OF AMERICA CORP /DE/ added112,892$2M0.3%2026-Q1
AXIOM INVESTORS LLC /DE new95,745$2M0.2%2026-Q1
Quadrature Capital Ltd added76,630$1M0.2%2026-Q1
JANE STREET GROUP, LLC trimmed75,890$1M0.2%2026-Q1
NORTHERN TRUST CORP added64,549$1M0.2%2026-Q1
JOHNSON & JOHNSON53,732$959K0.1%2026-Q1
Simplify Asset Management Inc. new53,510$955K0.1%2026-Q1
Rafferty Asset Management, LLC new50,505$901K0.1%2026-Q1
Brevan Howard Capital Management LP new42,217$753K0.1%2026-Q1
Irenic Capital Management LP new32,663$583K0.1%2026-Q1
Engineers Gate Manager LP trimmed26,880$480K0.1%2026-Q1
Squarepoint Ops LLC added25,482$455K0.1%2026-Q1
Sarissa Capital Management LP25,399$453K0.1%2026-Q1
Bollard Group LLC23,987$428K0.1%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added22,216$396K0.1%2026-Q1
PROFUND ADVISORS LLC new22,015$393K0.1%2026-Q1
Scientech Research LLC added15,047$268K0.0%2026-Q1
AXQ CAPITAL, LP new15,019$268K0.0%2026-Q1
INDEPENDENT FINANCIAL GROUP, LLC trimmed13,975$249K0.0%2026-Q1
SEI INVESTMENTS CO trimmed13,716$245K0.0%2026-Q1
Vanguard Global Advisers, LLC new12,875$230K0.0%2026-Q1
WINTON GROUP Ltd new11,870$212K0.0%2026-Q1
Cannon Global Investment Management, LLC new11,700$209K0.0%2026-Q1
Invesco Ltd. trimmed11,600$207K0.0%2026-Q1
Diametric Capital, LP trimmed10,070$180K0.0%2026-Q1
GROUP ONE TRADING LLC added9,065$162K0.0%2026-Q1
China Universal Asset Management Co., Ltd. added7,368$131K0.0%2026-Q1
CITIGROUP INC trimmed5,373$96K0.0%2026-Q1
JPMORGAN CHASE & CO added4,364$64K0.0%2026-Q1
Tower Research Capital LLC (TRC) added3,466$62K0.0%2026-Q1
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. trimmed3,513$52K0.0%2026-Q1
BNP PARIBAS FINANCIAL MARKETS added2,844$51K0.0%2026-Q1
Mirae Asset Global Investments Co., Ltd. added2,166$39K0.0%2026-Q1
GF FUND MANAGEMENT CO. LTD. added372$7K0.0%2026-Q1
Quantbot Technologies LP new307$5K0.0%2026-Q1
5AM Venture Management, LLC6,361,723$10M1.4%2025-Q2 stale
VANGUARD GROUP INC added770,250$10M1.3%2025-Q4 stale
FINDELL CAPITAL MANAGEMENT LLC new231,000$3M0.4%2025-Q4 stale
TANG CAPITAL MANAGEMENT LLC new50,000$2M0.3%2025-Q3 stale
AMERIPRISE FINANCIAL INC added163,061$2M0.3%2025-Q4 stale
Woodline Partners LP trimmed27,363$1M0.2%2025-Q3 stale
Polymer Capital Management (HK) LTD new21,248$1M0.1%2025-Q3 stale
HRT FINANCIAL LP added474,575$768K0.1%2025-Q2 stale
Virtu Financial LLC trimmed8,104$395K0.1%2025-Q3 stale
BRIDGEWAY CAPITAL MANAGEMENT, LLC trimmed6,250$304K0.0%2025-Q3 stale
TWO SIGMA INVESTMENTS, LP added169,636$275K0.0%2025-Q2 stale
OMERS ADMINISTRATION Corp trimmed20,700$271K0.0%2025-Q4 stale
XTX Topco Ltd trimmed17,542$229K0.0%2025-Q4 stale
Trustees of Columbia University in the City of New York trimmed4,595$224K0.0%2025-Q3 stale
TWO SIGMA SECURITIES, LLC added94,394$153K0.0%2025-Q2 stale
Persistent Asset Partners Ltd new10,798$141K0.0%2025-Q4 stale
Shay Capital LLC new10,745$141K0.0%2025-Q4 stale
Susquehanna Portfolio Strategies, LLC new10,207$134K0.0%2025-Q4 stale
Chung Wu Investment Group, LLC new8,300$109K0.0%2025-Q4 stale
EXCHANGE TRADED CONCEPTS, LLC trimmed148,073$106K0.0%2025-Q1 stale
DGS Capital Management, LLC55,300$90K0.0%2025-Q2 stale
Hudson Bay Capital Management LP trimmed5,110$67K0.0%2025-Q4 stale
MONEY CONCEPTS CAPITAL CORP added51,535$37K0.0%2025-Q1 stale
Qube Research & Technologies Ltd added48,196$35K0.0%2025-Q1 stale
HSBC HOLDINGS PLC44,728$33K0.0%2025-Q1 stale
Chicago Partners Investment Group LLC trimmed10,887$23K0.0%2025-Q2 stale
Jain Global LLC new24,054$17K0.0%2025-Q1 stale
GABELLI & Co INVESTMENT ADVISERS, INC. trimmed20,773$15K0.0%2025-Q1 stale
UNITED BANK15,300$11K0.0%2025-Q1 stale
Schonfeld Strategic Advisors LLC new13,425$10K0.0%2025-Q1 stale
GSA CAPITAL PARTNERS LLP new11,859$9K0.0%2025-Q1 stale
Catalyst Funds Management Pty Ltd added10,764$8K0.0%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.

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