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WhiteFiber (WYFI)

WhiteFiber on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on Nasdaq.

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5.5M

Short interest

settlement 2026-10-15

3.7

Days to cover

-0.6 days vs prior

57.6%

Short share of volume

2026-11-02

20,363

Fails to deliver

settlement 2026-10-14

Thu 12 Nov

Next earnings

estimated date

$0

Insider flow, 90 days

0 buys, 0 sells

As of 2026-11-02.

Short interest

FINRA, twice a month. The newest 29 settlements in the table, 29 in the chart. JSON

As of 15 October 2026, short interest in WYFI is 5,542,055 shares, up 755,856 shares over the last month. Over the last 29 readings it ranged from 315,485 shares (29 August 2025) to 6,466,603 shares (31 July 2026). At the reported average volume of 1.5M shares a day that is 3.7 days to cover.

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SettlementShares shortChangeAvg daily volumeDays to cover
2026-10-155,542,055+7.7%1,487,5703.73
2026-09-305,146,055+7.5%1,173,7964.38
2026-09-154,786,199-9.3%1,546,8633.09
2026-08-315,276,078-12.7%4,024,0521.31
2026-08-146,044,939-6.5%1,473,1824.10
2026-07-316,466,603+10.9%2,186,9132.96
2026-07-155,831,172+44.0%3,625,0771.61
2026-06-304,049,296+23.5%3,656,2811.11
2026-06-153,279,276-2.9%1,015,7673.23
2026-05-293,377,640-12.4%1,597,1482.11
2026-05-153,857,877+47.2%2,625,3011.47
2026-04-302,621,238+1.2%707,6723.70
2026-04-152,589,850+9.8%832,2953.11
2026-03-312,359,802+23.6%987,6092.39
2026-03-131,909,165-10.9%681,5202.80
2026-02-272,143,104+5.7%466,1564.60
2026-02-132,027,995-17.5%1,001,1612.03
2026-01-302,457,280+47.1%1,336,6241.84
2026-01-151,670,778-26.0%951,6651.76
2025-12-312,258,411+25.6%1,406,2331.61
2025-12-151,797,439+64.4%863,9422.08
2025-11-281,093,120+61.3%1,160,5051.00
2025-11-14677,676-7.7%1,159,1161.00
2025-10-31734,561+17.0%1,096,4381.00
2025-10-15627,926-43.4%1,462,0301.00
2025-09-301,110,258+192.3%1,430,8221.00
2025-09-15379,894+20.4%1,313,7801.00
2025-08-29315,485-1.1%526,0311.00
2025-08-15319,131+100.0%2,116,5481.00

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of WYFI volume is 57.6%, down 2.3 points over the last five sessions. Over the last 30 readings it ranged from 45.4% (6 October 2026) to 73.0% (5 October 2026). The latest reading is in line with the 30-session average of 59.4%, on 852K shares reported.

DateShort volumeTotal volumeShort shareExempt
2026-11-02491K852K57.6%11,406
2026-10-30445K704K63.3%6,247
2026-10-29545K960K56.8%828
2026-10-28633K996K63.5%6,030
2026-10-27644K1.2M55.5%0
2026-10-26614K1.0M59.9%157
2026-10-23497K762K65.3%39,561
2026-10-22713K1.1M63.8%38,400
2026-10-21831K1.5M55.6%150
2026-10-20588K1.1M54.8%3,720
2026-10-19735K1.3M54.5%98,858
2026-10-16602K905K66.5%9,073
2026-10-15535K881K60.8%82,677
2026-10-14586K1.1M55.0%19,056
2026-10-13308K627K49.2%123
2026-10-12395K703K56.2%2,478
2026-10-09575K821K70.0%0
2026-10-08553K1.0M55.2%43
2026-10-07310K481K64.5%0
2026-10-06262K576K45.4%1,752
2026-10-05322K441K73.0%0
2026-10-02359K698K51.4%2,390
2026-10-01484K807K60.0%281
2026-09-30313K438K71.5%13
2026-09-29218K346K63.1%1,213
2026-09-28256K460K55.7%1,266
2026-09-25391K677K57.7%0
2026-09-24450K704K63.9%0
2026-09-23300K561K53.4%200
2026-09-22332K548K60.5%548

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 14 October 2026, the fails-to-deliver balance in WYFI is 20,363 shares, up 17,489 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (1 October 2026) to 4,412,109 shares (20 August 2026). The latest reading sits at the bottom of that range.

SettlementShares failedPriceValue
2026-10-1420,363$14.54$296K
2026-10-132,874$14.80$43K
2026-10-096,619$15.75$104K
2026-10-0818,545$16.83$312K
2026-10-0760$17.33$1K
2026-10-0219,343$17.48$338K
2026-10-011$18.01$18
2026-09-3093$18.53$2K
2026-09-293,429$18.83$65K
2026-09-251,264$20.26$26K
2026-09-24258$19.05$5K
2026-09-232,151$20.23$44K
2026-09-225,140$19.86$102K
2026-09-2130,703$18.97$582K
2026-09-189,895$17.86$177K
2026-09-1711,500$17.26$198K
2026-09-167,719$16.82$130K
2026-09-1457$19.14$1K
2026-09-0920$20.57$411
2026-09-0811,062$19.54$216K
2026-09-0490,199$18.78$1.7M
2026-09-0183,536$18.92$1.6M
2026-08-2882,615$19.38$1.6M
2026-08-264,035$20.40$82K
2026-08-241,900$20.72$39K
2026-08-21189,028$21.16$4.0M
2026-08-204,412,109$21.38$94.3M
2026-08-19154,199$27.07$4.2M
2026-08-1835,752$30.35$1.1M
2026-08-1797,660$29.52$2.9M

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for WYFI in the last 90 days. The most recent filings are listed below. Latest filing: Zhu Justin (Chief Financial Officer) on 2026-10-15.

DateInsiderTitleTypeSharesPriceValueOwned after
2026-10-15Zhu JustinChief Financial OfficerTax withholding14K$12.20$172K24K
2026-10-14Zhu JustinChief Financial OfficerGrant26Kprice not stated in the filingnot stated38K
2026-10-14Tabar SamirChief Executive OfficerGrant54Kprice not stated in the filingnot stated283K
2026-08-27Zhu JustinChief Financial OfficerTax withholding2K$20.39$42K12K
2026-08-05Sanfilippo ThomasChief Technology OfficerTax withholding1K$26.34$33K20K
2026-08-03Shih IchiDirectorGrant5Kprice not stated in the filingnot stated5K
2026-08-01Zhu JustinChief Financial OfficerGrant4Kprice not stated in the filingnot stated14K
2026-07-31Sanfilippo ThomasChief Technology OfficerExercise or conversion4Kprice not stated in the filingnot stated22K
2026-07-24Tabar SamirChief Executive OfficerExercise or conversion7Kprice not stated in the filingnot stated229K
2026-07-24Huang ErkeChief Financial OfficerExercise or conversion7Kprice not stated in the filingnot stated203K
2026-05-29Shih IchiDirectorSell7K$30.12$213K5K
2026-05-07Sanfilippo ThomasChief Technology OfficerTax withholding955$21.00$20K17K
2026-04-28Krassakopoulos BillyPresidentTax withholding8Kprice not stated in the filingnot stated19K
2026-03-31Tabar SamirChief Executive OfficerExercise or conversion42Kprice not stated in the filingnot stated222K
2026-03-31Huang ErkeChief Financial OfficerExercise or conversion42Kprice not stated in the filingnot stated196K
2026-03-19Tabar SamirChief Executive OfficerExercise or conversion33Kprice not stated in the filingnot stated180K
2026-03-19Huang ErkeChief Financial OfficerExercise or conversion66Kprice not stated in the filingnot stated154K
2026-03-16Krassakopoulos BillyPresidentExercise or conversion16Kprice not stated in the filingnot stated27K
2026-02-10Sanfilippo ThomasChief Technology OfficerTax withholding2K$19.31$29K14K
2026-02-04Sanfilippo ThomasChief Technology OfficerExercise or conversion4Kprice not stated in the filingnot stated28K
2026-02-04Sanfilippo ThomasChief Technology OfficerExercise or conversion4price not stated in the filingnot stated15K
2026-01-13Krassakopoulos BillyPresidentExercise or conversion327price not stated in the filingnot stated12K
2025-11-17Krassakopoulos BillyPresidentExercise or conversion3Kprice not stated in the filingnot stated11K
2025-10-15Tabar SamirChief Executive OfficerExercise or conversion88Kprice not stated in the filingnot stated147K
2025-10-15Huang ErkeChief Financial OfficerExercise or conversion88Kprice not stated in the filingnot stated88K
2025-10-15Shih IchiDirectorExercise or conversion7Kprice not stated in the filingnot stated7K
2025-08-08Tabar SamirChief Executive OfficerGrant59K$17.00$1000K59K
2025-08-08Krassakopoulos BillyPresidentGrant9K$17.00$150K9K
2025-08-08Andre DavidDirectorGrant588$17.00$10K588

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.

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

1 holder reports 5% or more of WYFI in its latest filing, on Schedule 13D (active intent). The holder is Bit Digital, Inc. at 59.9% of the class (27,043,750 shares), filed 2026-08-25 for an event on 2026-08-21.

FiledFormHolderSharesOf classEvent
2026-08-2513D/Ano. 1Bit Digital, Inc.parent holding company27.0M59.9%2026-08-21

13F holders

Tracked managers holding WYFI at their latest 13F. JSON

5 of the 30 tracked managers held WYFI at their latest 13F, $39.9M in total at quarter-end prices. D. E. Shaw & Co. is the largest at $15.9M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 1 cut.

FundQuarterSharesValueOf portfolioChange in shares
D. E. Shaw & Co.2026-06-30410K$15.9M0.01%new
Millennium Management2026-06-30296K$11.5M0.00%-191K
Two Sigma Investments2026-06-30234K$9.1M0.01%new
AQR Capital Management2026-06-3049K$1.9M0.00%new
Renaissance Technologies2026-06-3038K$1.5M0.00%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

WhiteFiber 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 WhiteFiber (WYFI), SEC CIK 2042022, 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 2026-10-14.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 2026-08-25.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 2026-01-21.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 2026-10-15.JSON and CSV
Company record
EDGAR filing index for CIK 2042022Ticker, 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.

Other company pages

Datasets

Frequently Asked Questions

How much of WYFI is sold short?
5,542,055 shares were held short at the 2026-10-15 settlement, 3.7 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is WYFI's daily short volume?
On 2026-11-02, 491,052 of the 852,389 WYFI shares reported to FINRA were sold short, 57.6% of the day's reported volume. Short volume is a flow for one day, not a position.
Does WYFI have fails to deliver?
The SEC's latest file shows 20,363 WYFI shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are WYFI insiders buying or selling?
No open-market insider trades were reported for WYFI in the last 90 days. The most recent filings are listed below. Latest filing: Zhu Justin (Chief Financial Officer) on 2026-10-15.
Who owns 5% or more of WYFI?
1 holder reports 5% or more of WYFI in its latest filing, on Schedule 13D (active intent). The holder is Bit Digital, Inc. at 59.9% of the class (27,043,750 shares), filed 2026-08-25 for an event on 2026-08-21.
Which tracked 13F managers own WYFI?
5 of the 30 tracked 13F managers held WYFI shares at their latest filing, $39.9M in all. The largest: D. E. Shaw & Co. (410K shares, $15.9M), Izzy Englander's Millennium Management (296K shares, $11.5M), Two Sigma Investments (234K shares, $9.1M), Cliff Asness's AQR Capital Management (49K shares, $1.9M), Renaissance Technologies (38K shares, $1.5M).

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.