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Gemini Space Station GEMI

US equityMarket cap rank #3640Capital Markets Crypto Prediction Market

$4.49 −$0.18 (-3.85%)

Pre-market · Oct 8, 9:10 am ET · After hours $4.50 +0.22%

Open$4.52

Prev close$4.67

Day range$4.37 – $4.54

Volume2.00M

Market cap$582.14M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership78.1%-1.36 pts vs. prior quarter

Institutions holding127+3 vs. prior quarter

Insider trades (recent)26 buys / 20 sellsNet buying

Short interest8.72% of floatDays to cover 6.0 · as of 15 Sep 2026

Short-sale volume share26.7%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$2.97M (6 inflow days, 14 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 70.5% of shares outstanding.

Largest holders

Winklevoss Capital Management LLC63.45%
ParaFi Capital LP2.64%
BlackRock2.19%
Marshall Wace LLP1.11%
Vanguard Capital Management, LLC1.08%
Geode Capital Management, LLC0.93%
Morgan Stanley Investment Management Inc.0.87%
Commonwealth Bank of Australia0.55%

By investor type

VC/PE Fund66.13%
Mutual Fund7.84%
Hedge Fund2.48%
Public Company1.01%
Individual/Insider0.77%
Private Company0.54%
Insurance Company0.04%
Government Pension Fund0.03%

Reported short interest has risen from 8.30% to 8.72% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
BetaShares Capital Limited	Mutual Fund	2026/Q3	+84,542	0.1%
ParaFi Capital LP	VC/PE Fund	2026/Q3	+2,782,786	2.6%
BlackRock	Mutual Fund	2026/Q3	+2,355,814	2.2%
Marshall Wace LLP	Hedge Fund	2026/Q3	+1,050,324	1.1%
Geode Capital Management, LLC	Mutual Fund	2026/Q3	+728,057	0.9%
Vanguard Capital Management, LLC	Mutual Fund	2026/Q3	+666,380	1.1%
State Street Global Advisors	Mutual Fund	2026/Q3	+591,897	0.5%
Northern Trust Global Investments	Mutual Fund	2026/Q3	+315,760	0.3%
Mirae Asset Global Investments Co., Ltd	Mutual Fund	2026/Q3	+293,843	0.2%
Citadel Advisors LLC	Hedge Fund	2026/Q3	+273,064	0.3%
Tudor Investment Corporation	Hedge Fund	2026/Q3	+175,090	0.2%
UBS Asset Management	Mutual Fund	2026/Q3	+130,618	0.4%
Goldman Sachs Asset Management, L.P.	Mutual Fund	2026/Q3	+128,440	0.1%
Walleye Capital LLC	Hedge Fund	2026/Q3	+99,424	0.1%
Charles Schwab Investment Management	Mutual Fund	2026/Q3	+98,900	0.2%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
19 Aug 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Automatic Disposition	-7,940	$4.05	44,994
1 Jul 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Open Market Disposition	-8,438	$4.44	30,973
30 Jun 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Other Acquisition	+22,453	–	30,973
15 Jun 2026	Jonathan Durham	Independent Director	Other Acquisition	+42,462	–	49,604
15 Jun 2026	Sachin Jaitly	Independent Director	Other Acquisition	+42,462	–	49,604
15 Jun 2026	Maria Filipakis	Independent Director	Other Acquisition	+42,462	–	63,596
15 Jun 2026	James Esposito	Independent Director	Other Acquisition	+42,462	–	49,604
19 May 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Open Market Disposition	-11,700	$5.05	16,958
13 May 2026	Winklevoss Capital Management LLC		Private Acquisition	+7,142,857	$14.00	7,142,857
13 May 2026	Maria Filipakis	Independent Director	Other Acquisition	+18,656	–	25,798
5 Apr 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Other Acquisition	+25,559	–	193,548
10 Mar 2026	Sachin Jaitly	Independent Director	Open Market Disposition	-39,708	$9.92	–
19 Feb 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Other Acquisition	+132,275	–	167,989
16 Feb 2026	Danijela Stojanovic	Interim CFO & Chief Accounting Officer	Initial Statement of Beneficial	+0	–	35,714
23 Jan 2026	Marshall Beard	Chief Operating Officer	Sale to Issuer	-14,293	$9.72	786,925
23 Jan 2026	Tyler Meade	Chief Legal Officer	Sale to Issuer	-10,361	$9.72	536,666
23 Dec 2025	Marshall Beard	Chief Operating Officer	Sale to Issuer	-19,266	$11.37	763,553
23 Dec 2025	Tyler Meade	Chief Legal Officer	Sale to Issuer	-13,550	$11.37	520,484
23 Nov 2025	Marshall Beard	Chief Operating Officer	Sale to Issuer	-19,267	$10.77	745,154
23 Nov 2025	Tyler Meade	Chief Legal Officer	Sale to Issuer	-13,551	$10.77	507,492

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	11,309,627	8.7%	6.0
31 Aug 2026	10,021,299	7.7%	2.6
14 Aug 2026	9,352,918	7.2%	6.0
31 Jul 2026	11,198,056	8.9%	10.8
15 Jul 2026	11,968,542	9.5%	9.8
30 Jun 2026	10,496,729	8.3%	5.4

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