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How shorted was Poseida Therapeutics, Inc.? PSTX

Poseida Therapeutics, Inc. left the US market in 2024. This page is a frozen archive of its reported short interest, ending 31 Dec 2024. The ticker PSTX no longer refers to this company and may since have been reassigned.
3.64%
of shares outstanding reported short · settlement date 31 Dec 2024
vs previous report
−0.04
5 reports (~10 weeks)
−1.32
days to cover
3.83
Aggregate net short position time series for Poseida Therapeutics, 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 Poseida Therapeutics, 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
7 Nov 20244.52% 31 Oct 20244.73% 15 Nov 2024+0.21
5 Aug 20243.24% 31 Jul 20243.78% 15 Aug 2024+0.54
14 May 20246.26% 30 Apr 20245.21% 15 May 2024−1.05
7 Mar 20243.61% 29 Feb 20243.97% 15 Mar 2024+0.36
9 Nov 20233.48% 31 Oct 20233.75% 15 Nov 2023+0.27
8 Aug 20234.63% 31 Jul 20234.36% 15 Aug 2023−0.27
9 May 20235.08% 28 Apr 20235.25% 15 May 2023+0.17
9 Mar 20233.41% 28 Feb 20234.01% 15 Mar 2023+0.60
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Sector: Healthcare

History

Full reported short interest history
Settlement dateShort %Change
31 Dec 20243.64%−0.04
13 Dec 20243.68%−0.54
29 Nov 20244.22%−0.51
15 Nov 20244.73%+0.21
31 Oct 20244.52%−0.44
15 Oct 20244.96%+0.29
30 Sep 20244.67%+0.71
13 Sep 20243.96%−0.06
30 Aug 20244.02%+0.24
15 Aug 20243.78%+0.54
31 Jul 20243.24%−2.17
15 Jul 20245.41%+0.44
28 Jun 20244.97%+0.27
14 Jun 20244.70%−0.32
31 May 20245.02%−0.19
15 May 20245.21%−1.05
30 Apr 20246.26%+2.06
15 Apr 20244.20%−0.07
28 Mar 20244.27%+0.30
15 Mar 20243.97%+0.36
29 Feb 20243.61%−0.23
15 Feb 20243.84%+0.06
31 Jan 20243.78%+0.69
12 Jan 20243.09%+0.05
29 Dec 20233.04%−0.36
15 Dec 20233.40%+0.31
30 Nov 20233.09%−0.66
15 Nov 20233.75%+0.27
31 Oct 20233.48%−0.99
13 Oct 20234.47%−0.03
29 Sep 20234.50%+0.59
15 Sep 20233.91%−0.26
31 Aug 20234.17%−0.19
15 Aug 20234.36%−0.27
31 Jul 20234.63%−0.15
14 Jul 20234.78%−0.33
30 Jun 20235.11%+0.25
15 Jun 20234.86%−0.56
31 May 20235.42%+0.17
15 May 20235.25%+0.17
28 Apr 20235.08%+0.19
14 Apr 20234.89%+0.80
31 Mar 20234.09%+0.08
15 Mar 20234.01%+0.60
28 Feb 20233.41%+0.31
15 Feb 20233.10%−0.54
31 Jan 20233.64%−0.01
13 Jan 20233.65%+0.45
30 Dec 20223.20%+0.30
15 Dec 20222.90%+0.47
30 Nov 20222.43%−0.12
15 Nov 20222.55%+0.23
31 Oct 20222.32%+0.04
14 Oct 20222.28%+0.11
30 Sep 20222.17%+0.37
15 Sep 20221.80%+0.10
31 Aug 20221.70%−0.01
15 Aug 20221.71%−1.45
29 Jul 20223.16%+0.28
15 Jul 20222.88%+0.10
30 Jun 20222.78%−0.32
15 Jun 20223.10%−0.02
31 May 20223.12%+0.07
13 May 20223.05%+0.59
29 Apr 20222.46%+0.36
14 Apr 20222.10%−0.05
31 Mar 20222.15%−0.02
15 Mar 20222.17%+0.26
28 Feb 20221.91%+0.05
15 Feb 20221.86%−0.14
31 Jan 20222.00%+0.65
14 Jan 20221.35%+0.30
31 Dec 20211.05%−0.03
15 Dec 20211.08%+0.23
30 Nov 20210.85%+0.01
15 Nov 20210.84%−0.31
29 Oct 20211.15%+0.08
15 Oct 20211.07%−1.23
30 Sep 20212.30%+0.10
15 Sep 20212.20%−0.50
31 Aug 20212.70%−0.05
13 Aug 20212.75%+0.05
30 Jul 20212.70%−2.00
15 Jul 20214.70%+0.15
30 Jun 20214.55%−0.33
15 Jun 20214.88%−0.29
28 May 20215.17%0.00
14 May 20215.17%+0.10
30 Apr 20215.07%+0.08
15 Apr 20214.99%−1.07
31 Mar 20216.06%+0.83
15 Mar 20215.23%+0.45
26 Feb 20214.78%+1.05
12 Feb 20213.73%+0.70
29 Jan 20213.03%+0.39
15 Jan 20212.64%+0.29
31 Dec 20202.35%+0.80
15 Dec 20201.55%+0.10
30 Nov 20201.45%−0.02
13 Nov 20201.47%–

Newest first. Scroll inside the table for earlier dates, back to 13 Nov 2020.

Frequently asked questions

How shorted was Poseida Therapeutics, Inc.?
Poseida Therapeutics, Inc. left the US market in 2024. Its final reported figure was 3.64% of shares outstanding for settlement date 31 Dec 2024, per FINRA's consolidated short interest report; this page preserves its full history.
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 PSTX'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 PSTX's days to cover?
3.83 days for settlement date 31 Dec 2024: 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.