Gemini Space Station (GEMI)
Gemini Space Station on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq.
12.9M
Short interest
settlement 2026-10-15
7.2
Days to cover
+3.9 days vs prior
64.4%
Short share of volume
2026-11-02
21,504
Fails to deliver
settlement 2026-10-13
Mon 9 Nov
Next earnings
estimated date
-$32K
Insider flow, 90 days
0 buys, 1 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 27 settlements in the table, 27 in the chart. JSONAs of 15 October 2026, short interest in GEMI is 12,901,043 shares, up 1,591,416 shares over the last month. Over the last 27 readings it ranged from 1,109,180 shares (15 September 2025) to 12,901,043 shares (15 October 2026). The latest reading sits at the top of that range. At the reported average volume of 1.8M shares a day that is 7.2 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 12,901,043 | +7.1% | 1,789,212 | 7.21 |
| 2026-09-30 | 12,041,532 | +6.5% | 3,675,562 | 3.28 |
| 2026-09-15 | 11,309,627 | +12.9% | 1,882,655 | 6.01 |
| 2026-08-31 | 10,021,299 | +7.2% | 3,826,290 | 2.62 |
| 2026-08-14 | 9,352,918 | -16.5% | 1,555,099 | 6.01 |
| 2026-07-31 | 11,198,056 | -6.4% | 1,041,585 | 10.75 |
| 2026-07-15 | 11,968,542 | +14.0% | 1,226,601 | 9.76 |
| 2026-06-30 | 10,496,729 | +9.9% | 1,955,869 | 5.37 |
| 2026-06-15 | 9,553,534 | +14.4% | 1,690,773 | 5.65 |
| 2026-05-29 | 8,351,813 | +0.5% | 2,337,625 | 3.57 |
| 2026-05-15 | 8,313,781 | +0.6% | 3,142,002 | 2.65 |
| 2026-04-30 | 8,264,834 | +9.7% | 1,449,270 | 5.70 |
| 2026-04-15 | 7,537,054 | +25.8% | 1,976,585 | 3.81 |
| 2026-03-31 | 5,991,032 | +11.8% | 2,207,645 | 2.71 |
| 2026-03-13 | 5,360,872 | -29.0% | 2,044,146 | 2.62 |
| 2026-02-27 | 7,547,030 | +4.5% | 1,330,790 | 5.67 |
| 2026-02-13 | 7,220,953 | -8.5% | 1,666,836 | 4.33 |
| 2026-01-30 | 7,895,017 | +12.7% | 1,378,006 | 5.73 |
| 2026-01-15 | 7,007,563 | -11.1% | 1,489,739 | 4.70 |
| 2025-12-31 | 7,877,880 | +17.3% | 1,646,334 | 4.79 |
| 2025-12-15 | 6,718,517 | +16.0% | 3,197,474 | 2.10 |
| 2025-11-28 | 5,793,486 | +8.8% | 1,690,846 | 3.43 |
| 2025-11-14 | 5,327,201 | -3.2% | 2,475,194 | 2.15 |
| 2025-10-31 | 5,503,576 | +14.9% | 1,406,425 | 3.91 |
| 2025-10-15 | 4,788,247 | +4.6% | 2,857,059 | 1.68 |
| 2025-09-30 | 4,578,315 | +312.8% | 5,914,108 | 1.00 |
| 2025-09-15 | 1,109,180 | +100.0% | 4,105,462 | 1.00 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of GEMI volume is 64.4%, up 4.0 points over the last five sessions. Over the last 30 readings it ranged from 47.7% (28 October 2026) to 73.0% (23 October 2026). The latest reading is 5.4 points above the 30-session average of 59.0%, on 799K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 515K | 799K | 64.4% | 99,003 |
| 2026-10-30 | 482K | 755K | 63.8% | 10,686 |
| 2026-10-29 | 262K | 540K | 48.4% | 50 |
| 2026-10-28 | 233K | 487K | 47.7% | 50 |
| 2026-10-27 | 436K | 838K | 52.1% | 1,776 |
| 2026-10-26 | 610K | 1.0M | 60.4% | 0 |
| 2026-10-23 | 548K | 751K | 73.0% | 1 |
| 2026-10-22 | 342K | 617K | 55.5% | 5 |
| 2026-10-21 | 479K | 826K | 58.0% | 772 |
| 2026-10-20 | 807K | 1.4M | 59.5% | 61,423 |
| 2026-10-19 | 601K | 990K | 60.7% | 650 |
| 2026-10-16 | 434K | 689K | 63.0% | 10 |
| 2026-10-15 | 524K | 813K | 64.5% | 1,464 |
| 2026-10-14 | 443K | 884K | 50.1% | 616 |
| 2026-10-13 | 386K | 740K | 52.2% | 13,091 |
| 2026-10-12 | 428K | 598K | 71.5% | 0 |
| 2026-10-09 | 281K | 493K | 57.0% | 8,532 |
| 2026-10-08 | 353K | 601K | 58.7% | 4 |
| 2026-10-07 | 470K | 909K | 51.8% | 290 |
| 2026-10-06 | 376K | 572K | 65.8% | 4,186 |
| 2026-10-05 | 389K | 610K | 63.8% | 73,032 |
| 2026-10-02 | 1.1M | 1.8M | 63.5% | 13,673 |
| 2026-10-01 | 334K | 607K | 55.1% | 2,761 |
| 2026-09-30 | 564K | 987K | 57.1% | 0 |
| 2026-09-29 | 377K | 641K | 58.9% | 1,501 |
| 2026-09-28 | 618K | 1.0M | 60.0% | 8,431 |
| 2026-09-25 | 690K | 1.1M | 64.8% | 314 |
| 2026-09-24 | 437K | 707K | 61.9% | 4,565 |
| 2026-09-23 | 677K | 1.3M | 52.5% | 17,495 |
| 2026-09-22 | 914K | 1.7M | 53.8% | 6,798 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 13 October 2026, the fails-to-deliver balance in GEMI is 21,504 shares, up 15,191 shares over the last settlement date. Over the last 30 readings it ranged from 49 shares (5 August 2026) to 85,185 shares (1 October 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-13 | 21,504 | $4.11 | $88K |
| 2026-10-07 | 6,313 | $4.67 | $29K |
| 2026-10-05 | 1,663 | $4.67 | $8K |
| 2026-10-02 | 204 | $5.07 | $1K |
| 2026-10-01 | 85,185 | $5.16 | $440K |
| 2026-09-22 | 28,677 | $5.99 | $172K |
| 2026-09-21 | 344 | $5.81 | $2K |
| 2026-09-15 | 2,248 | $4.81 | $11K |
| 2026-09-14 | 1,642 | $4.46 | $7K |
| 2026-09-04 | 11,594 | $4.84 | $56K |
| 2026-09-03 | 4,239 | $4.29 | $18K |
| 2026-08-31 | 34,416 | $4.30 | $148K |
| 2026-08-28 | 4,287 | $4.71 | $20K |
| 2026-08-27 | 4,380 | $4.54 | $20K |
| 2026-08-26 | 41,536 | $4.66 | $194K |
| 2026-08-25 | 2,498 | $4.19 | $10K |
| 2026-08-21 | 38,837 | $4.14 | $161K |
| 2026-08-18 | 11,555 | $3.61 | $42K |
| 2026-08-14 | 57,126 | $4.30 | $246K |
| 2026-08-13 | 20,649 | $4.17 | $86K |
| 2026-08-12 | 20,772 | $4.05 | $84K |
| 2026-08-11 | 1,236 | $4.11 | $5K |
| 2026-08-05 | 49 | $4.21 | $206 |
| 2026-08-04 | 1,348 | $3.99 | $5K |
| 2026-08-03 | 130 | $3.90 | $507 |
| 2026-07-31 | 1,106 | $4.11 | $5K |
| 2026-07-30 | 3,928 | $4.07 | $16K |
| 2026-07-27 | 1,892 | $4.29 | $8K |
| 2026-07-22 | 20,942 | $4.77 | $100K |
| 2026-07-20 | 600 | $4.19 | $3K |
Insider trades
SEC Form 4, newest first. JSONInsiders at GEMI reported 1 open-market sell worth $32K in the last 90 days and no open-market buys. Latest filing: Stojanovic Danijela (Interim CFO) on 2026-08-20.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-08-20 | Stojanovic Danijela | Interim CFO | Sell | 8K | $4.05 | $32K | 188K |
| 2026-07-02 | Stojanovic Danijela | Interim CFO | Sell | 8K | $4.44 | $37K | 196K |
| 2026-07-01 | Stojanovic Danijela | Interim CFO | Grant | 22K | $0.00 | $0 | 204K |
| 2026-06-16 | Filipakis Maria | Director | Grant | 42K | $0.00 | $0 | 77K |
| 2026-06-16 | Durham Jonathan B | Director | Grant | 42K | $0.00 | $0 | 122K |
| 2026-06-16 | Esposito James Anthony | Director | Grant | 42K | $0.00 | $0 | 50K |
| 2026-06-16 | Jaitly Sachin Chand | Director | Grant | 42K | $0.00 | $0 | 50K |
| 2026-05-20 | Stojanovic Danijela | Interim CFO | Sell | 12K | $5.05 | $59K | 182K |
| 2026-05-14 | Winklevoss Cameron Howard | Director,TenPercentOwner | Grant | 7.1M | $14.00 | $100.0M | 7.1M |
| 2026-05-14 | Winklevoss Capital Fund, LLC | Director, 10% owner | Grant | 7.1M | $14.00 | $100.0M | 7.1M |
| 2026-05-14 | Filipakis Maria | Director | Grant | 19K | $0.00 | $0 | 35K |
| 2026-04-06 | Stojanovic Danijela | Interim CFO | Grant | 26K | $0.00 | $0 | 194K |
| 2026-03-11 | Jaitly Sachin Chand | Director | Sell | 4K | $9.91 | $40K | 0 |
| 2026-03-11 | Jaitly Sachin Chand | Director | Sell | 36K | $8.81 | $315K | 4K |
| 2026-02-20 | Stojanovic Danijela | Interim CFO | Grant | 132K | $0.00 | $0 | 168K |
| 2026-01-24 | Meade Tyler Roberts | Chief Legal Officer | Tax withholding | 10K | $9.72 | $101K | 1.1M |
| 2026-01-24 | Beard Marshall Edmund | Chief Operating Officer | Tax withholding | 14K | $9.72 | $139K | 1.5M |
| 2025-12-24 | Meade Tyler Roberts | Chief Legal Officer | Tax withholding | 14K | $11.37 | $154K | 1.1M |
| 2025-12-24 | Beard Marshall Edmund | Chief Operating Officer | Tax withholding | 19K | $11.37 | $219K | 1.5M |
| 2025-11-24 | Meade Tyler Roberts | Chief Legal Officer | Tax withholding | 14K | $10.77 | $146K | 1.1M |
| 2025-11-24 | Beard Marshall Edmund | Chief Operating Officer | Tax withholding | 19K | $10.77 | $208K | 1.5M |
| 2025-10-24 | Meade Tyler Roberts | Chief Legal Officer | Tax withholding | 14K | $19.76 | $268K | 1.1M |
| 2025-10-24 | Beard Marshall Edmund | Chief Operating Officer | Tax withholding | 19K | $19.76 | $381K | 1.6M |
| 2025-09-24 | Meade Tyler Roberts | Chief Legal Officer | Tax withholding | 14K | $24.28 | $329K | 1.1M |
| 2025-09-24 | Beard Marshall Edmund | Chief Operating Officer | Tax withholding | 19K | $24.28 | $468K | 1.6M |
| 2025-09-15 | Winklevoss Capital Fund, LLC | TenPercentOwner | Other transaction | 100 | $0.00 | $0 | 0 |
| 2025-09-15 | Gemini Space Station, LLC | 10% owner | Other transaction | 100 | $0.00 | $0 | 0 |
| 2025-09-15 | Meade Tyler Roberts | Chief Legal Officer | Gift | 64K | $0.00 | $0 | 1.2M |
| 2025-09-15 | Meade Tyler Roberts | Chief Legal Officer | Sell | 199K | $26.25 | $5.2M | 1.3M |
| 2025-09-15 | Meade Tyler Roberts | Chief Legal Officer | Grant | 632K | $0.00 | $0 | 1.5M |
| 2025-09-15 | Jaitly Sachin Chand | Director | Grant | 36K | $0.00 | $0 | 36K |
| 2025-09-15 | Filipakis Maria | Director | Grant | 9K | $0.00 | $0 | 16K |
| 2025-09-15 | Beard Marshall Edmund | Chief Operating Officer | Sell | 259K | $26.25 | $6.8M | 1.7M |
| 2025-09-15 | Beard Marshall Edmund | Chief Operating Officer | Grant | 806K | $0.00 | $0 | 2.0M |
| 2025-09-15 | Meade Tyler Roberts | Chief Legal Officer | Tax withholding | 89K | $28.00 | $2.5M | 1.1M |
| 2025-09-15 | Beard Marshall Edmund | Chief Operating Officer | Tax withholding | 130K | $28.00 | $3.6M | 1.6M |
| 2025-09-11 | Meade Tyler Roberts | Chief Legal Officer | Grant | 637K | $0.00 | $0 | 855K |
| 2025-09-11 | Meade Tyler Roberts | Chief Legal Officer | Grant | 214K | $0.00 | $0 | 218K |
| 2025-09-11 | Meade Tyler Roberts | Chief Legal Officer | Grant | 4K | $0.00 | $0 | 4K |
| 2025-09-11 | Jaitly Sachin Chand | Director | Grant | 7K | $0.00 | $0 | 7K |
| 2025-09-11 | Filipakis Maria | Director | Grant | 7K | $0.00 | $0 | 7K |
| 2025-09-11 | Esposito James Anthony | Director | Grant | 7K | $0.00 | $0 | 7K |
| 2025-09-11 | Durham Jonathan B | Director | Grant | 72K | $0.00 | $0 | 79K |
| 2025-09-11 | Durham Jonathan B | Director | Grant | 7K | $0.00 | $0 | 7K |
| 2025-09-11 | Chen Daniel N. | Chief Financial Officer | Grant | 536K | $0.00 | $0 | 536K |
| 2025-09-11 | Beard Marshall Edmund | Chief Operating Officer | Grant | 904K | $0.00 | $0 | 1.2M |
| 2025-09-11 | Beard Marshall Edmund | Chief Operating Officer | Grant | 268K | $0.00 | $0 | 277K |
| 2025-09-11 | Beard Marshall Edmund | Chief Operating Officer | Grant | 9K | $0.00 | $0 | 9K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON1 Form 144 notice on file for GEMI worth $319K at the prices reported; 0 in the last 90 days worth $0. Latest: TESSERA VENTURE PARTNERS FUND II LP filed on 2026-03-11 to sell 35,713 shares ($319K) from 2026-03-11.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-03-11 | TESSERA VENTURE PARTNERS FUND II LPDirector | 36K | $319K | 0.084% | 2026-03-11 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON5 holders report 5% or more of GEMI in their latest filing, 4 on Schedule 13D (active intent). The largest reported stake is Cameron Howard Winklevoss at 65.1% of the class (82,269,641 shares), filed 2026-05-18 for an event on 2026-05-14.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-07-29 | 13G | BlackRock, Inc.parent holding company | 2.8M | 5.5% | 2026-06-30 |
| 2026-05-18 | 13D | Cameron Howard Winklevossindividual | 82.3M | 65.1% | 2026-05-14 |
| 2026-05-18 | 13D | Tyler Howard Winklevossindividual | 82.3M | 65.1% | 2026-05-14 |
| 2026-05-18 | 13D | Winklevoss Capital Management, LLCother entity | 82.3M | 65.1% | 2026-05-14 |
| 2026-05-18 | 13D | Winklevoss Capital Fund, LLCother entity | 82.3M | 65.1% | 2026-05-14 |
| 2026-05-05 | 13G/Ano. 1 | Mark W. Yuskoindividual | 2.2M | 4.8% | 2026-05-01 |
| 2026-05-05 | 13G/Ano. 1 | Morgan Creek Private Opportunities, LLC Series M - Geminiother entity | 1.7M | 3.8% | 2026-05-01 |
| 2026-05-05 | 13G/Ano. 1 | Morgan Creek Digital Fund III, LPpartnership | 464K | 1.0% | 2026-05-01 |
13F holders
Tracked managers holding GEMI at their latest 13F. JSON3 of the 30 tracked managers held GEMI at their latest 13F, $2.0M in total at quarter-end prices. Citadel Advisors is the largest at $1.6M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 376K | $1.6M | 0.00% | +273K |
| Tiger Global Management | 2026-06-30 | 70K | $298K | 0.00% | 0 |
| Two Sigma Investments | 2026-06-30 | 15K | $63K | 0.00% | new |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Gemini Space Station in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Gemini Space Station (GEMI), SEC CIK 2055592, listed on Nasdaq. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-13.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-03-11.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-07-29.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-13.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-08-20.JSON and CSV
- Company record
- EDGAR filing index for CIK 2055592Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of GEMI is sold short?
What is GEMI's daily short volume?
Does GEMI have fails to deliver?
Are GEMI insiders buying or selling?
Have GEMI insiders filed to sell?
Who owns 5% or more of GEMI?
Which tracked 13F managers own GEMI?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.