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HowShorted

How shorted is Wolfspeed, Inc.? WOLF

#1most shorted US stockof 3,805 ranked stocks, more shorted than 99%

49.25%
of shares outstanding reported short · settlement date 15 Sep 2026
vs previous report
+2.75
5 reports (~10 weeks)
−1.26
days to cover
10.25
Aggregate net short position time series for Wolfspeed, Inc.

Markers along the chart's base: ▲ results announced (an 8-K reporting results was filed) ▲ quarterly or annual report filed. Dates are SEC filing dates; hover a point to see events since the previous settlement.

Days to cover

FINRA's own figure: reported shares short divided by the stock's average daily trading volume, published alongside each settlement. It expresses the short position in days of typical trading rather than as a percentage of the company; the two can move differently.

Aggregate net short position time series for Wolfspeed, Inc. days to cover

Short interest around results

For each results announcement (an 8-K reporting results, by its SEC filing date), the FINRA settlement before it and the first one after. Settlements fall twice a month, so the two figures can sit up to a month apart and much else changes in between: this shows what was reported, not why.

Reported short interest before and after each results announcement
Results filedSettlement beforeSettlement afterChange
19 Aug 202645.29% 14 Aug 202646.50% 31 Aug 2026+1.21
5 May 202635.71% 30 Apr 202657.26% 15 May 2026+21.55
4 Feb 202627.01% 30 Jan 202618.95% 13 Feb 2026−8.06
25 Aug 202527.23% 15 Aug 202527.77% 29 Aug 2025+0.54
8 May 202543.18% 30 Apr 202544.94% 15 May 2025+1.76
30 Apr 202540.70% 15 Apr 202544.94% 15 May 2025+4.24
29 Jan 202532.76% 15 Jan 202526.19% 31 Jan 2025−6.57
6 Nov 202428.60% 31 Oct 202429.18% 15 Nov 2024+0.58

Fails to deliver

The SEC's fails-to-deliver figure for WOLF: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Latest balance
29,957
14 Sep 2026
Highest in window
6,907,407
26 Sep 2025
Days with a balance
171
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Wolfspeed, Inc. fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 6.9M shares.

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Sector: Technology · By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

History

Full reported short interest history
Settlement dateShort %Change
15 Sep 202649.25%+2.75
31 Aug 202646.50%+1.21
14 Aug 202645.29%−3.69
31 Jul 202648.98%−1.70
15 Jul 202650.68%+0.17
30 Jun 202650.51%−3.26
15 Jun 202653.77%−0.78
29 May 202654.55%−2.71
15 May 202657.26%+21.55
30 Apr 202635.71%+11.20
15 Apr 202624.51%−0.38
31 Mar 202624.89%+3.69
13 Mar 202621.20%+0.83
27 Feb 202620.37%+1.42
13 Feb 202618.95%−8.06
30 Jan 202627.01%+1.19
15 Jan 202625.82%+0.67
31 Dec 202525.15%−0.49
15 Dec 202525.64%+2.79
28 Nov 202522.85%−1.80
14 Nov 202524.65%+5.41
31 Oct 202519.24%−13.06
15 Sep 202532.30%+4.53
29 Aug 202527.77%+0.54
15 Aug 202527.23%−0.28
31 Jul 202527.51%−6.73
15 Jul 202534.24%−12.73
30 Jun 202546.97%−2.12
13 Jun 202549.09%+2.06
30 May 202547.03%+2.09
15 May 202544.94%+1.76
30 Apr 202543.18%+2.48
15 Apr 202540.70%−0.23
31 Mar 202540.93%+13.34
14 Mar 202527.59%+0.34
28 Feb 202527.25%−1.28
14 Feb 202528.53%+2.34
31 Jan 202526.19%−6.57
15 Jan 202532.76%+4.07
31 Dec 202428.69%−1.13
13 Dec 202429.82%−0.39
29 Nov 202430.21%+1.03
15 Nov 202429.18%+0.58
31 Oct 202428.60%−0.82
15 Oct 202429.42%−1.32
30 Sep 202430.74%+3.03
13 Sep 202427.71%+4.46
30 Aug 202423.25%+1.63
15 Aug 202421.62%+2.44
31 Jul 202419.18%+2.16
15 Jul 202417.02%+0.26
28 Jun 202416.76%−0.20
14 Jun 202416.96%−0.24
31 May 202417.20%−0.87
15 May 202418.07%−1.05
30 Apr 202419.12%+3.03
15 Apr 202416.09%−0.04
28 Mar 202416.13%+0.52
15 Mar 202415.61%−0.06
29 Feb 202415.67%+0.34
15 Feb 202415.33%+0.24
31 Jan 202415.09%+1.52
12 Jan 202413.57%+1.08
29 Dec 202312.49%−1.54
15 Dec 202314.03%−0.74
30 Nov 202314.77%+0.30
15 Nov 202314.47%−0.35
31 Oct 202314.82%−1.15
13 Oct 202315.97%+1.80
29 Sep 202314.17%+1.30
15 Sep 202312.87%−1.06
31 Aug 202313.93%+0.22
15 Aug 202313.71%+0.21
31 Jul 202313.50%−2.10
14 Jul 202315.60%−0.74
30 Jun 202316.34%+1.86
15 Jun 202314.48%+0.45
31 May 202314.03%+0.39
15 May 202313.64%+0.50
28 Apr 202313.14%+0.34
14 Apr 202312.80%+0.66
31 Mar 202312.14%−0.80
15 Mar 202312.94%+0.76
28 Feb 202312.18%+0.07
15 Feb 202312.11%−0.37
31 Jan 202312.48%+0.44
13 Jan 202312.04%+0.13
30 Dec 202211.91%+1.69
15 Dec 202210.22%+0.87
30 Nov 20229.35%+2.00
15 Nov 20227.35%+0.57
31 Oct 20226.78%−0.46
14 Oct 20227.24%−0.16
30 Sep 20227.40%+0.35
15 Sep 20227.05%−0.38
31 Aug 20227.43%−0.28
15 Aug 20227.71%−0.31
29 Jul 20228.02%−0.15
15 Jul 20228.17%−0.23
30 Jun 20228.40%+0.13
15 Jun 20228.27%+0.15
31 May 20228.12%+1.22
13 May 20226.90%−0.18
29 Apr 20227.08%−0.45
14 Apr 20227.53%−0.18
31 Mar 20227.71%+0.69
15 Mar 20227.02%+0.14
28 Feb 20226.88%+0.20
15 Feb 20226.68%+0.50
31 Jan 20226.18%−1.25
14 Jan 20227.43%−3.24
30 Sep 202110.67%−0.04
15 Sep 202110.71%+0.16
31 Aug 202110.55%−0.59
13 Aug 202111.14%−0.65
30 Jul 202111.79%+0.32
15 Jul 202111.47%+0.34
30 Jun 202111.13%+0.06
15 Jun 202111.07%+0.63
28 May 202110.44%+0.40
14 May 202110.04%+0.08
30 Apr 20219.96%−0.23
15 Apr 202110.19%+0.36
31 Mar 20219.83%+0.29
15 Mar 20219.54%+0.32
26 Feb 20219.22%−0.07
12 Feb 20219.29%+0.03
29 Jan 20219.26%−0.90
15 Jan 202110.16%−1.66
31 Dec 202011.82%−0.42
15 Dec 202012.24%+0.05
30 Nov 202012.19%+0.89
13 Nov 202011.30%+0.08
30 Oct 202011.22%−0.90
15 Oct 202012.12%0.00
30 Sep 202012.12%−0.02
15 Sep 202012.14%−0.40
31 Aug 202012.54%+1.05
14 Aug 202011.49%−0.14
31 Jul 202011.63%−0.21
15 Jul 202011.84%+0.24
30 Jun 202011.60%−0.05
15 Jun 202011.65%+0.74
29 May 202010.91%+0.57
15 May 202010.34%+1.19
30 Apr 20209.15%+2.72
15 Apr 20206.43%−0.83
31 Mar 20207.26%−0.17
13 Mar 20207.43%−0.15
28 Feb 20207.58%+0.11
14 Feb 20207.47%−0.40
31 Jan 20207.87%−0.15
15 Jan 20208.02%+0.12
31 Dec 20197.90%−0.07
13 Dec 20197.97%−0.86
29 Nov 20198.83%−0.45
15 Nov 20199.28%+0.62
31 Oct 20198.66%+0.16
15 Oct 20198.50%−0.25
30 Sep 20198.75%+0.07
13 Sep 20198.68%+0.40
30 Aug 20198.28%−0.23
15 Aug 20198.51%+0.12
31 Jul 20198.39%−0.21
15 Jul 20198.60%−0.89
28 Jun 20199.49%+0.01
14 Jun 20199.48%−0.22
31 May 20199.70%+0.32
15 May 20199.38%+0.27
30 Apr 20199.11%−0.30
15 Apr 20199.41%−0.37
29 Mar 20199.78%+0.40
15 Mar 20199.38%−0.12
28 Feb 20199.50%−0.53
15 Feb 201910.03%−0.85
31 Jan 201910.88%+0.13
15 Jan 201910.75%+0.09
31 Dec 201810.66%−0.75
14 Dec 201811.41%+0.61
30 Nov 201810.80%−1.66
15 Nov 201812.46%−1.16
31 Oct 201813.62%+1.86
15 Oct 201811.76%−1.18
28 Sep 201812.94%+0.45
14 Sep 201812.49%+0.63
31 Aug 201811.86%+1.42
15 Aug 201810.44%−0.26
31 Jul 201810.70%−1.45
13 Jul 201812.15%+2.40
29 Jun 20189.75%−0.68
15 Jun 201810.43%−0.89
31 May 201811.32%+0.75
15 May 201810.57%−0.81
30 Apr 201811.38%−0.08
13 Apr 201811.46%+0.05
29 Mar 201811.41%−0.41
15 Mar 201811.82%−0.82
28 Feb 201812.64%+0.66
15 Feb 201811.98%+0.21
31 Jan 201811.77%+0.21
12 Jan 201811.56%−0.48
29 Dec 201712.04%–

Newest first. Scroll inside the table for earlier dates, back to 29 Dec 2017.

Frequently asked questions

How shorted is Wolfspeed, Inc. right now?
49.25% of Wolfspeed, Inc.'s (WOLF) shares outstanding were reported short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report. That makes it the 1st most shorted US stock, out of 3,805 we rank.
What does this number include?
FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.
Why does it only update twice a month?
US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.
Is this WOLF's short float?
No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.
What is WOLF's days to cover?
10.25 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.
Which funds are short?
US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.