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Institutional Ownership · SEC Form 13F

Who owns TARA (TARA)


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

113
Institutional holders
45,562,179
Shares held (tracked funds)
85.0%
Of shares outstanding

How the tape is positioned

27 tracked funds added or opened TARA while 19 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

TARA’s largest tracked holder by dollar value, JANUS HENDERSON GROUP PLC, 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 conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in TARA 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 113 tracked filers holding TARA, 78 increased or opened the position and 45 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 TARA 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 8

  • VANGUARD CAPITAL MANAGEMENT LLC$11M
  • AIGH Capital Management LLC$8M
  • Patient Square Capital LP$5M
  • J. Goldman & Co LP$4M
  • VANGUARD PORTFOLIO MANAGEMENT LLC$2M
  • VANGUARD FIDUCIARY TRUST CO$2M

Full exits 9

  • VANGUARD GROUP INC$13M
  • Driehaus Capital Management LLC$7M
  • ADAGE CAPITAL PARTNERS GP, L.L.C.$6M
  • Maven Securities LTD$4M
  • SPHERA FUNDS MANAGEMENT LTD.$3M
  • JANE STREET GROUP, LLC$832K

Largest adds

  • MILLENNIUM MANAGEMENT LLC$11M
  • Point72 Asset Management, L.P.$6M
  • BlackRock, Inc.$5M
  • STATE STREET CORP$2M
  • BANK OF AMERICA CORP /DE/$2M
  • MORGAN STANLEY$2M

Largest trims

  • Catalio Capital Management, LP$5M
  • Integral Health Asset Management, LLC$3M
  • MARSHALL WACE, LLP$3M
  • SUPERSTRING CAPITAL MANAGEMENT LP$1M
  • ADAR1 Capital Management, LLC$1M
  • RENAISSANCE TECHNOLOGIES LLC$767K

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
JANUS HENDERSON GROUP PLC added5,207,011$27M9.4%2026-Q1
BlackRock, Inc. added3,394,968$18M6.1%2026-Q1
Velan Capital Investment Management LP2,834,652$15M5.1%2026-Q1
MILLENNIUM MANAGEMENT LLC added2,831,208$15M5.1%2026-Q1
Blackstone Inc. added2,265,514$12M4.1%2026-Q1
VANGUARD CAPITAL MANAGEMENT LLC new2,119,018$11M3.8%2026-Q1
Sio Capital Management, LLC added1,969,839$10M3.6%2026-Q1
ACORN CAPITAL ADVISORS, LLC1,752,115$9M3.2%2026-Q1
Integral Health Asset Management, LLC trimmed1,750,000$9M3.2%2026-Q1
AIGH Capital Management LLC new1,622,733$8M2.9%2026-Q1
UBS Group AG added1,402,413$7M2.5%2026-Q1
5AM Venture Management, LLC1,369,782$7M2.5%2026-Q1
GEODE CAPITAL MANAGEMENT, LLC added1,177,200$6M2.1%2026-Q1
Point72 Asset Management, L.P. added1,152,714$6M2.1%2026-Q1
CITADEL ADVISORS LLC added1,068,558$6M1.9%2026-Q1
Patient Square Capital LP new1,030,846$5M1.9%2026-Q1
STATE STREET CORP added1,005,142$5M1.8%2026-Q1
BAKER BROS. ADVISORS LP971,614$5M1.8%2026-Q1
ADAR1 Capital Management, LLC trimmed940,512$5M1.7%2026-Q1
BANK OF AMERICA CORP /DE/ added925,918$5M1.7%2026-Q1
J. Goldman & Co LP added856,247$4M1.5%2026-Q1
Catalio Capital Management, LP trimmed580,024$3M1.0%2026-Q1
Assenagon Asset Management S.A. added567,621$3M1.0%2026-Q1
MORGAN STANLEY added556,974$3M1.0%2026-Q1
DIMENSIONAL FUND ADVISORS LP added531,267$3M1.0%2026-Q1
Burkehill Global Management, LP450,000$2M0.8%2026-Q1
Walleye Capital LLC added443,401$2M0.8%2026-Q1
VANGUARD PORTFOLIO MANAGEMENT LLC new412,604$2M0.7%2026-Q1
GOLDMAN SACHS GROUP INC added397,981$2M0.7%2026-Q1
NORTHERN TRUST CORP added374,852$2M0.7%2026-Q1
Alyeska Investment Group, L.P.350,000$2M0.6%2026-Q1
VANGUARD FIDUCIARY TRUST CO new308,842$2M0.6%2026-Q1
OPPENHEIMER & CO INC trimmed181,565$946K0.3%2026-Q1
Qube Research & Technologies Ltd added177,004$922K0.3%2026-Q1
CIBC WORLD MARKET INC. trimmed175,495$914K0.3%2026-Q1
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added147,888$770K0.3%2026-Q1
Bank of New York Mellon Corp added129,671$676K0.2%2026-Q1
RENAISSANCE TECHNOLOGIES LLC trimmed125,700$655K0.2%2026-Q1
SUPERSTRING CAPITAL MANAGEMENT LP trimmed121,457$633K0.2%2026-Q1
PRUDENTIAL FINANCIAL INC new119,530$623K0.2%2026-Q1
SUSQUEHANNA INTERNATIONAL GROUP, LLP added116,626$608K0.2%2026-Q1
ExodusPoint Capital Management, LP new116,305$606K0.2%2026-Q1
AMERICAN CENTURY COMPANIES INC added92,969$484K0.2%2026-Q1
BRIDGEWAY CAPITAL MANAGEMENT, LLC added70,330$366K0.1%2026-Q1
Jump Financial, LLC added66,779$348K0.1%2026-Q1
AQR CAPITAL MANAGEMENT LLC added66,043$344K0.1%2026-Q1
Nuveen, LLC trimmed63,860$333K0.1%2026-Q1
TRUIST FINANCIAL CORP added60,000$313K0.1%2026-Q1
XTX Topco Ltd trimmed58,801$306K0.1%2026-Q1
FMR LLC added57,095$297K0.1%2026-Q1
Marex Group plc trimmed55,250$288K0.1%2026-Q1
DEUTSCHE BANK AG\ added53,975$281K0.1%2026-Q1
Vanguard Global Advisers, LLC new52,599$274K0.1%2026-Q1
MARSHALL WACE, LLP trimmed50,731$264K0.1%2026-Q1
JACOBS LEVY EQUITY MANAGEMENT, INC new50,255$262K0.1%2026-Q1
BARCLAYS PLC trimmed48,262$251K0.1%2026-Q1
ALPS ADVISORS INC added44,029$229K0.1%2026-Q1
TWO SIGMA INVESTMENTS, LP added37,838$197K0.1%2026-Q1
NANO CAP NEW MILLENNIUM GROWTH FUND L P added36,500$190K0.1%2026-Q1
PRICE T ROWE ASSOCIATES INC /MD/ added36,306$190K0.1%2026-Q1
LPL Financial LLC added36,130$188K0.1%2026-Q1
FOX RUN MANAGEMENT, L.L.C. new35,965$174K0.1%2026-Q1
RHUMBLINE ADVISERS added32,075$167K0.1%2026-Q1
WELLS FARGO & COMPANY/MN trimmed30,697$160K0.1%2026-Q1
MetLife Investment Management, LLC added28,776$150K0.1%2026-Q1
WINTON GROUP Ltd new28,100$146K0.1%2026-Q1
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added24,101$126K0.0%2026-Q1
Almanack Investment Partners, LLC.23,782$124K0.0%2026-Q1
Engineers Gate Manager LP trimmed21,200$110K0.0%2026-Q1
JPMORGAN CHASE & CO added21,490$104K0.0%2026-Q1
BAILARD, INC. trimmed18,617$97K0.0%2026-Q1
Invesco Ltd. added17,961$94K0.0%2026-Q1
Trexquant Investment LP added17,933$93K0.0%2026-Q1
Police & Firemen's Retirement System of New Jersey added17,569$92K0.0%2026-Q1
CITIGROUP INC trimmed14,476$75K0.0%2026-Q1
VANGUARD GROUP INC added2,391,903$13M4.4%2025-Q4 stale
Opaleye Management Inc. trimmed855,000$7M2.6%2025-Q2 stale
Driehaus Capital Management LLC added1,259,427$7M2.3%2025-Q4 stale
ADAGE CAPITAL PARTNERS GP, L.L.C. added1,043,478$6M1.9%2025-Q4 stale
Maven Securities LTD added754,626$4M1.4%2025-Q4 stale
SPHERA FUNDS MANAGEMENT LTD. new650,000$3M1.2%2025-Q4 stale
RA CAPITAL MANAGEMENT, L.P. trimmed1,039,295$3M1.1%2025-Q2 stale
Woodline Partners LP851,674$3M0.9%2025-Q2 stale
STEMPOINT CAPITAL LP trimmed363,666$2M0.5%2025-Q3 stale
JANE STREET GROUP, LLC added156,135$832K0.3%2025-Q4 stale
AMERIPRISE FINANCIAL INC new153,985$821K0.3%2025-Q4 stale
Monashee Investment Management LLC new125,000$666K0.2%2025-Q4 stale
Informed Momentum Co LLC new103,611$552K0.2%2025-Q4 stale
SEI INVESTMENTS CO new63,079$336K0.1%2025-Q4 stale
OMERS ADMINISTRATION Corp new75,100$320K0.1%2025-Q1 stale
GSA CAPITAL PARTNERS LLP trimmed52,332$279K0.1%2025-Q4 stale
PANAGORA ASSET MANAGEMENT INC added43,796$233K0.1%2025-Q4 stale
HRT FINANCIAL LP added36,260$193K0.1%2025-Q4 stale
Longaeva Partners L.P. new33,857$180K0.1%2025-Q4 stale
Quadrature Capital Ltd added24,184$129K0.0%2025-Q4 stale
Campbell & CO Investment Adviser LLC new20,551$110K0.0%2025-Q4 stale
PRELUDE CAPITAL MANAGEMENT, LLC trimmed21,516$94K0.0%2025-Q3 stale
Scientech Research LLC new17,215$92K0.0%2025-Q4 stale
Jain Global LLC new19,212$82K0.0%2025-Q1 stale
BALYASNY ASSET MANAGEMENT L.P. new18,710$80K0.0%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