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Sensei Biotherapeutics (FTH) Short Interest Ratio & Short Volume

Sensei Biotherapeutics logo
$35.37 -3.72 (-9.52%)
Closing price 09/15/2026 04:00 PM Eastern
Extended Trading
$36.02 +0.65 (+1.84%)
As of 05:55 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Sensei Biotherapeutics Short Interest Overview

As of August 31, 2026, Sensei Biotherapeutics (FTH) had a short interest of 1.10 million shares sold short, representing 4.57% of the public float. This marks a 32.78% increase in short interest since the prior report. The short interest ratio (days to cover) is 3.7, meaning it would take 3.7 days of the average trading volume of 289,783 shares to cover all short positions.

Current Short Interest
1,098,324 shares
Previous Short Interest
827,167 shares
Change Vs. Previous Month
32.78%
Dollar Volume Sold Short
$35.99 million
Short Interest Ratio
3.7 Days to Cover
Last Record Date
August 31, 2026
Outstanding Shares
25,840,000 shares
Short Percent of Float
4.57%
Today's Trading Volume
209,307 shares
Average Trading Volume
289,783 shares
Today's Volume Vs. Average
72%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

FTH Short Interest Over Time

FTH Days to Cover Over Time

FTH Percentage of Float Shorted Over Time

Sensei Biotherapeutics Tesla Short Interest History & Recent Changes

Export
Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
8/31/20261,098,324 shares $35.99 million +32.8%4.6%3.67 $32.77
8/14/2026827,167 shares $26.75 million +1.4%3.4%2.75 $32.34
7/31/2026815,587 shares $22.22 million -8.4%65.4%2.81 $27.24
7/15/2026890,306 shares $28.02 million +14.1%71.3%3.77 $31.47
6/30/2026780,396 shares $19.51 million +26.8%62.5%6.95 $25.00
6/15/2026615,413 shares $8.52 million -22.9%49.3%9.11 $13.85
5/29/2026798,278 shares $16.88 million -2.1%64.0%20.65 $21.14
5/15/2026815,539 shares $16.66 million -2.3%79.1%28.35 $20.43
4/30/2026834,411 shares $22.21 million -2.5%81.0%27.08 $26.62
4/15/2026855,820 shares $25.00 million -0.9%68.6%19.34 $29.21
3/31/2026863,539 shares $27.22 million +20.6%83.9%9.74 $31.52
3/13/2026715,845 shares $23.11 million +32.9%74.0%5.61 $32.28
2/27/2026538,588 shares $16.43 million +1,973.5%55.6%0.35 $30.50
2/13/202625,975 shares $236.11 thousand -0.4%2.1%0.61 $9.09
1/30/202626,068 shares $247.65 thousand -9.8%2.7%0.31 $9.50
1/15/202628,895 shares $335.47 thousand +11.4%3.0%0.25 $11.61
12/31/202525,945 shares $276.83 thousand -33.7%2.7%0.75 $10.67
12/15/202539,109 shares $308.57 thousand +4,114.3%4.0%0.21 $7.89
11/28/2025928 shares $7.91 thousand -82.6%0.1%0.03 $8.52
11/14/20255,342 shares $42.79 thousand -80.9%0.6%0.22 $8.01
10/31/202528,027 shares $257.01 thousand +86.3%2.9%0.24 $9.17
10/15/202515,000 shares $205.20 thousand +57.9%1.8%0.5 $13.68
9/30/20259,500 shares $89.78 thousand -8.7%1.2%0.6 $9.45
9/15/202510,400 shares $91.56 thousand +1.0%1.3%0.7 $8.80
8/31/202510,300 shares $83.20 thousand -21.4%1.2%0.6 $8.08
8/15/202513,100 shares $113.71 thousand +65.8%1.6%0.7 $8.68
7/31/20257,900 shares $59.09 thousand +9.7%1.0%0.5 $7.48
7/15/20257,200 shares $57.24 thousand -48.6%0.9%0.8 $7.95
6/30/202514,000 shares $120.12 thousand +211.1%1.7%1.4 $8.58
6/15/20254,500 shares $27.00 thousand -93.5%0.5%0 $6.00
5/31/202569,700 shares $21.40 thousand -64.7%0.4%0 $0.31
5/15/2025197,200 shares $68.63 thousand -50.5%1.2%0.1 $0.35
4/30/2025398,100 shares $160.43 thousand -24.0%2.4%0.2 $0.40
4/15/2025523,700 shares $239.85 thousand -72.6%3.2%0.2 $0.46
3/31/20251,910,000 shares $752.54 thousand +1,478.5%11.6%0.7 $0.39
3/15/2025121,000 shares $54.57 thousand -17.5%0.7%0.4 $0.45
2/28/2025146,700 shares $68.36 thousand -14.1%0.9%0.4 $0.47
2/15/2025170,700 shares $81.25 thousand -36.0%1.0%0.4 $0.48
1/31/2025266,500 shares $125.26 thousand -64.8%1.6%0.6 $0.47
1/15/2025757,800 shares $384.89 thousand +594.0%4.6%1.5 $0.51
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12/31/2024109,200 shares $53.52 thousand +30.5%0.7%0.2 $0.49
12/15/202483,700 shares $36.83 thousand -63.1%0.5%0.2 $0.44
11/30/2024226,700 shares $122.64 thousand +13.2%1.4%0.5 $0.54
11/15/2024200,300 shares $90.84 thousand +2.9%1.2%0.5 $0.45
10/31/2024194,700 shares $92.44 thousand -12.8%1.2%0.6 $0.47
10/15/2024223,200 shares $103.79 thousand -12.4%1.4%0.9 $0.47
9/30/2024254,800 shares $152.37 thousand +1.7%1.5%4.9 $0.60
9/15/2024250,600 shares $135.32 thousand -5.2%1.5%5.4 $0.54
8/31/2024264,400 shares $160.17 thousand -0.2%1.6%7.3 $0.61
8/15/2024265,000 shares $161.39 thousand -0.9%1.6%2.6 $0.61
7/31/2024267,500 shares $181.37 thousand -2.3%1.6%2 $0.68
7/15/2024273,900 shares $196.52 thousand -2.4%1.7%1.2 $0.72
6/30/2024280,600 shares $174.00 thousand -3.2%1.7%1.2 $0.62
6/15/2024289,900 shares $185.04 thousand +2.6%1.8%1.2 $0.64
5/31/2024282,600 shares $209.01 thousand +250.6%1.7%1.1 $0.74
5/15/202480,600 shares $120.09 thousand +34.1%0.5%0.4 $1.49
4/30/202460,100 shares $60.70 thousand -25.8%0.4%0.4 $1.01
4/15/202481,000 shares $81.41 thousand -48.1%0.5%1.2 $1.01
3/31/2024156,200 shares $164.01 thousand +7.1%1.0%2.5 $1.05
3/15/2024145,900 shares $147.36 thousand +4.1%0.9%2.4 $1.01
2/29/2024140,100 shares $119.09 thousand -2.1%0.9%2.5 $0.85
2/15/2024143,100 shares $112.35 thousand -11.4%0.9%2.8 $0.79
1/31/2024161,500 shares $132.43 thousand -6.5%1.0%2.7 $0.82
1/15/2024172,700 shares $132.98 thousand -14.1%1.1%2.4 $0.77
12/31/2023201,000 shares $139.09 thousand +2.3%1.2%2.9 $0.69
12/15/2023196,500 shares $129.69 thousand +31.4%1.2%3.1 $0.66
11/30/2023149,600 shares $107.71 thousand -11.4%0.9%2.8 $0.72
11/15/2023168,800 shares $102.09 thousand +25.6%1.0%3.6 $0.60
10/31/2023134,400 shares $95.56 thousand -1.9%0.8%3.1 $0.71
10/15/2023137,000 shares $101.38 thousand -0.2%0.8%6.9 $0.74
9/30/2023137,200 shares $109.76 thousand -14.4%0.8%7.7 $0.80
9/15/2023160,300 shares $132.10 thousand +10.4%0.9%7.8 $0.82
8/31/2023145,200 shares $145.20 thousand -5.8%0.8%6.9 $1.00
8/15/2023154,100 shares $166.43 thousand +3.6%0.9%7.1 $1.08
7/31/2023148,800 shares $187.49 thousand -2.2%0.8%6.6 $1.26
7/15/2023152,200 shares $196.34 thousand -8.7%0.9%2.2 $1.29
6/30/2023166,700 shares $190.04 thousand +11.9%0.9%2.3 $1.14
6/15/2023149,000 shares $199.66 thousand -0.9%0.8%2 $1.34
5/31/2023150,300 shares $219.44 thousand -2.9%0.7%2 $1.46
5/15/2023154,800 shares $224.46 thousand -15.5%1.0%2 $1.45
4/30/2023183,100 shares $272.82 thousand +72.4%1.1%2.3 $1.49
4/15/2023106,200 shares $159.30 thousand -3.5%0.7%1.3 $1.50
3/31/2023110,000 shares $165 thousand -1.9%0.7%3.3 $1.50
3/15/2023112,100 shares $155.82 thousand +46.9%0.7%2.9 $1.39
2/28/202376,300 shares $119.79 thousand -3.3%0.5%1.7 $1.57
2/15/202378,900 shares $112.83 thousand +24.6%0.5%1.7 $1.43
1/31/202363,300 shares $87.99 thousand +0.6%0.4%1.2 $1.39
1/15/202362,900 shares $98.75 thousand -23.2%0.4%1.2 $1.57
12/30/202281,900 shares $122.03 thousand -30.2%0.5%1.5 $1.49
12/15/2022117,300 shares $181.82 thousand -43.8%0.7%2.2 $1.55
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11/30/2022208,800 shares $296.50 thousand +14.9%1.2%4.4 $1.42
11/15/2022181,700 shares $258.01 thousand -4.5%1.1%3.9 $1.42
10/31/2022190,200 shares $275.79 thousand -12.1%1.1%4.7 $1.45
10/15/2022216,300 shares $328.78 thousand +15.3%1.3%5.9 $1.52
9/30/2022187,600 shares $290.78 thousand -1.8%1.1%5 $1.55
9/15/2022191,000 shares $383.91 thousand -0.8%1.1%2.8 $2.01
8/31/2022192,600 shares $367.87 thousand -5.7%1.1%2.3 $1.91
8/15/2022204,200 shares $453.32 thousand -1.9%1.3%1.9 $2.22
7/31/2022208,200 shares $397.66 thousand -4.7%1.3%1.7 $1.91
7/15/2022218,500 shares $450.11 thousand -11.2%1.4%1.7 $2.06
6/30/2022246,100 shares $558.65 thousand -68.6%1.6%1.8 $2.27
6/15/2022783,300 shares $1.50 million +10.5%5.0%5.6 $1.91
5/31/2022708,800 shares $1.35 million -3.1%4.5%6.9 $1.90
5/15/2022731,700 shares $1.09 million +11.1%4.7%8.6 $1.49
4/30/2022658,600 shares $1.02 million +17.9%4.2%8.9 $1.55
4/15/2022558,700 shares $1.07 million -0.6%3.6%7.8 $1.92
3/31/2022562,100 shares $1.30 million +20.2%3.6%7.8 $2.31
3/15/2022467,800 shares $1.14 million +7.4%3.0%5.6 $2.43
2/28/2022435,700 shares $1.57 million +6.7%2.8%4.9 $3.61
2/15/2022408,500 shares $1.76 million +10.6%2.5%4.6 $4.30
1/31/2022369,300 shares $1.78 million +15.1%2.3%4.2 $4.82
1/15/2022320,900 shares $1.68 million -4.1%1.9%3.8 $5.24
12/31/2021334,700 shares $1.94 million +2.3%N/A0 $5.80
12/15/2021327,300 shares $1.70 million -6.1%2.0%3.9 $5.20
11/30/2021348,400 shares $2.40 million -8.3%2.1%3.4 $6.88
11/15/2021380,100 shares $3.75 million -14.8%2.3%3.4 $9.87
10/29/2021446,000 shares $3.88 million -1.4%2.7%3.5 $8.69
10/15/2021452,400 shares $3.45 million -14.0%2.7%3.6 $7.63
9/30/2021525,900 shares $5.53 million +121.1%3.1%4.3 $10.52

FTH Short Interest - Frequently Asked Questions

Short interest is the volume of Sensei Biotherapeutics shares that have been sold short but have not yet been closed out or covered. As of August 31st, traders have sold 1,098,324 shares of FTH short. 4.57% of Sensei Biotherapeutics' shares are currently sold short. Learn More on Sensei Biotherapeutics' current short interest.

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. FTH shares currently have a short interest ratio of 3.7. Learn More on Sensei Biotherapeutics's short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 4.57% of Sensei Biotherapeutics' floating shares are currently sold short.

Sensei Biotherapeutics saw a increase in short interest in the month of August. As of August 31st, there was short interest totaling 1,098,324 shares, an increase of 32.8% from the previous total of 827,167 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

4.57% of Sensei Biotherapeutics' shares are currently sold short. Here is how the short interest of companies in the industry of "biotechnology" compare to Sensei Biotherapeutics: Viking Therapeutics, Inc. (20.08%), Telix Pharmaceuticals Limited (0.08%), Iovance Biotherapeutics, Inc. (21.10%), Amylyx Pharmaceuticals, Inc. (12.83%), Tango Therapeutics, Inc. (27.04%), Arcus Biosciences, Inc. (11.11%), GRAIL, Inc. (19.41%), Denali Therapeutics Inc. (11.53%), AbCellera Biologics Inc. (15.83%), IDEAYA Biosciences, Inc. (12.07%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($62.68 billion), Invesco QQQ ($47.06 billion), iShares Russell 2000 ETF ($23.54 billion), SPDR S&P Biotech ETF ($12.10 billion), Nebius Group N.V. ($9.34 billion), Western Digital Corporation ($8.96 billion), Financial Select Sector SPDR Fund ($8.16 billion), iShares 20+ Year Treasury Bond ETF ($7.98 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.52 billion), and VanEck Semiconductor ETF ($7.39 billion). View all of the most shorted stocks.

Short selling FTH is an investing strategy that aims to generate trading profit from Sensei Biotherapeutics as its price is falling. FTH shares are trading down $3.72 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

A short squeeze for Sensei Biotherapeutics occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of FTH, which in turn drives the price of the stock up even further.

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including FTH, twice per month. The most recent reporting period available is August, 31 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like FTH:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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Short Interest Tools

Short interest data for NASDAQ:FTH is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/10/2026. FINRA publishes updated short interest twice a month.
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