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Institutional Ownership · SEC Form 13F

Who owns Gemini Space Station, Inc. Class A Common Stock (GEMI)


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

Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

95
Institutional holders
18M
Shares held (tracked funds)

How the tape is positioned

The tracked-fund tape on GEMI is one-sided between 2026-Q1 and 2026-Q2: 17 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

GEMI’s largest tracked holder by dollar value, Altimeter Capital Management, LP, sizes it at 0.4% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.4pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in GEMI 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 2026-Q1 and 2026-Q2, across 95 tracked filers holding GEMI, 69 increased or opened the position and 33 reduced or closed it; over the same quarter, open-market insider Form 4s were net sales.

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 GEMI between the 2026-Q1 and 2026-Q2 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 1

  • GOLDMAN SACHS GROUP INC$674K

Full exits 1

  • Alpine Global Management, LLC$1M

Largest adds

  • ParaFi Capital LP$12M
  • GEODE CAPITAL MANAGEMENT, LLC$10M
  • BlackRock, Inc.$10M
  • MARSHALL WACE, LLP$4M
  • VANGUARD CAPITAL MANAGEMENT LLC$3M
  • STATE STREET CORP$3M

Largest trims

  • Morgan Creek Capital Management, LLC$9M
  • LUMINUS MANAGEMENT LLC$375K
  • Caitong International Asset Management Co., Ltd$308K
  • SUSQUEHANNA INTERNATIONAL GROUP, LLP$291K

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
ParaFi Capital LP added3,428,888$15M9.4%2026-Q2
GEODE CAPITAL MANAGEMENT, LLC added1,200,409$12M8.0%2026-Q2
BlackRock, Inc. added2,845,263$12M7.8%2026-Q2
MARSHALL WACE, LLP added1,436,034$6M3.9%2026-Q2
MORGAN STANLEY added1,277,798$5M3.5%2026-Q2
VANGUARD CAPITAL MANAGEMENT LLC added1,270,274$5M3.5%2026-Q2
Commonwealth Bank of Australia714,284$3M1.9%2026-Q2
STATE STREET CORP added662,097$3M1.8%2026-Q2
UBS Group AG added565,404$2M1.5%2026-Q2
Morgan Creek Capital Management, LLC trimmed562,229$2M1.5%2026-Q2
CITADEL ADVISORS LLC added375,594$2M1.0%2026-Q2
NORTHERN TRUST CORP added351,352$1M1.0%2026-Q2
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added309,356$1M0.8%2026-Q2
VANGUARD PORTFOLIO MANAGEMENT LLC added276,301$1M0.8%2026-Q2
TUDOR INVESTMENT CORP ET AL added272,416$1M0.7%2026-Q2
SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed253,930$1M0.7%2026-Q2
Marex Group Ltd trimmed229,277$977K0.6%2026-Q2
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added197,606$842K0.5%2026-Q2
BNP PARIBAS FINANCIAL MARKETS added168,462$718K0.5%2026-Q2
GOLDMAN SACHS GROUP INC added158,214$674K0.4%2026-Q2
Walleye Trading LLC added134,055$571K0.4%2026-Q2
VANGUARD FIDUCIARY TRUST CO added126,531$539K0.3%2026-Q2
North Reef Capital Management LP added100,001$426K0.3%2026-Q2
Bank of New York Mellon Corp new97,405$415K0.3%2026-Q2
GROUP ONE TRADING LLC added90,103$384K0.2%2026-Q2
BANK OF AMERICA CORP /DE/ added77,928$332K0.2%2026-Q2
Aquatic Capital Management LLC new72,424$309K0.2%2026-Q2
TIGER GLOBAL MANAGEMENT LLC70,000$298K0.2%2026-Q2
LUMINUS MANAGEMENT LLC trimmed67,500$288K0.2%2026-Q2
Bitwise Funds Trust new58,874$251K0.2%2026-Q2
Invesco Ltd. added56,805$242K0.2%2026-Q2
Nuveen, LLC new54,549$232K0.1%2026-Q2
Clear Street Group Inc. added48,798$208K0.1%2026-Q2
WELLS FARGO & COMPANY/MN added41,868$178K0.1%2026-Q2
DEUTSCHE BANK AG\ new39,998$170K0.1%2026-Q2
Verition Fund Management LLC added36,500$155K0.1%2026-Q2
FRANKLIN RESOURCES INC trimmed36,248$154K0.1%2026-Q2
ROYAL BANK OF CANADA added35,896$153K0.1%2026-Q2
Vontobel Holding Ltd. trimmed35,890$153K0.1%2026-Q2
ALLIANCEBERNSTEIN L.P. new33,800$149K0.1%2026-Q2
PRICE T ROWE ASSOCIATES INC /MD/ trimmed34,115$146K0.1%2026-Q2
GUGGENHEIM CAPITAL LLC new32,205$137K0.1%2026-Q2
Centiva Capital, LP new32,108$137K0.1%2026-Q2
RHUMBLINE ADVISERS new31,591$135K0.1%2026-Q2
IMC-Chicago, LLC new30,572$130K0.1%2026-Q2
WINTON GROUP Ltd new30,500$130K0.1%2026-Q2
JPMORGAN CHASE & CO added27,202$115K0.1%2026-Q2
MetLife Investment Management, LLC new26,393$112K0.1%2026-Q2
CITIGROUP INC added25,267$108K0.1%2026-Q2
Jump Financial, LLC trimmed24,291$103K0.1%2026-Q2
Cerity Partners LLC new20,882$89K0.1%2026-Q2
Apollon Wealth Management, LLC added20,766$88K0.1%2026-Q2
SIMPLEX TRADING, LLC new18,126$77K0.0%2026-Q2
Integrated Wealth Concepts LLC added16,780$71K0.0%2026-Q2
TWO SIGMA INVESTMENTS, LP new14,850$63K0.0%2026-Q2
XTX Topco Ltd trimmed14,762$63K0.0%2026-Q2
JOHNSON INVESTMENT COUNSEL INC trimmed13,802$59K0.0%2026-Q2
NEW YORK STATE COMMON RETIREMENT FUND new13,700$58K0.0%2026-Q2
SCS Capital Management LLC13,094$56K0.0%2026-Q2
BARCLAYS PLC added12,578$54K0.0%2026-Q2
Police & Firemen's Retirement System of New Jersey new12,092$52K0.0%2026-Q2
Jefferies Financial Group Inc. new12,077$51K0.0%2026-Q2
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC added11,710$50K0.0%2026-Q2
Engineers Gate Manager LP trimmed11,759$50K0.0%2026-Q2
MANUFACTURERS LIFE INSURANCE COMPANY, THE new11,725$50K0.0%2026-Q2
Cresset Asset Management, LLC11,474$49K0.0%2026-Q2
RAYMOND JAMES FINANCIAL INC trimmed10,409$44K0.0%2026-Q2
Independent Advisor Alliance new10,000$43K0.0%2026-Q2
STRS OHIO new8,000$34K0.0%2026-Q2
Vanguard Global Advisers, LLC6,329$27K0.0%2026-Q2
Arax Advisory Partners added6,069$26K0.0%2026-Q2
Legal & General Group Plc new3,969$17K0.0%2026-Q2
Ameritas Investment Partners, Inc. new3,721$16K0.0%2026-Q2
Russell Investments Group, Ltd. new3,278$14K0.0%2026-Q2
FMR LLC trimmed3,262$14K0.0%2026-Q2
Tower Research Capital LLC (TRC) trimmed3,215$14K0.0%2026-Q2
OSAIC HOLDINGS, INC.2,850$12K0.0%2026-Q2
WealthCollab, LLC new1,639$7K0.0%2026-Q2
State of Wyoming added1,487$6K0.0%2026-Q2
SBI Securities Co., Ltd. trimmed1,443$6K0.0%2026-Q2
Quarry LP added1,026$4K0.0%2026-Q2
Sterling Capital Management LLC new826$4K0.0%2026-Q2
Activest Wealth Management new801$3K0.0%2026-Q2
Caitong International Asset Management Co., Ltd trimmed764$3K0.0%2026-Q2
EFG International AG700$3K0.0%2026-Q2
Global X Japan Co., Ltd. added619$3K0.0%2026-Q2
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM new565$2K0.0%2026-Q2
Orion Capital Management LLC510$2K0.0%2026-Q2
Mirae Asset Global Investments Co., Ltd.110$4690.0%2026-Q2
Larson Financial Group LLC added53$2260.0%2026-Q2
IFP Advisors, Inc43$1830.0%2026-Q2
DB Fitzpatrick & Co, Inc new40$1700.0%2026-Q2
HighMark Wealth Management LLC30$1270.0%2026-Q2
Rockefeller Capital Management L.P. trimmed8$340.0%2026-Q2
Freestone Grove Partners LP3$130.0%2026-Q2
VANGUARD GROUP INC added1,285,185$13M8.2%2025-Q4 stale (2 quarters behind)
Dragoneer Investment Group, LLC trimmed810,000$8M5.1%2025-Q4 stale (2 quarters behind)
Altimeter Capital Management, LP new1,600,000$38M24.6%2025-Q3 stale (3 quarters behind)
Janney Montgomery Scott LLC new259,692$6M4.0%2025-Q3 stale (3 quarters behind)
STEADFAST CAPITAL MANAGEMENT LP new200,000$5M3.1%2025-Q3 stale (3 quarters behind)

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