ShortInterestHistory.com

TECX Short Interest History

TECX Short Interest (May 29, 2026 Update)
Short interest for TECX was 2.3M as of May 29, 2026, -10.4% from the prior report.
This page tracks TECX short interest over time, including historical values, changes between reports, and days to cover.

Tectonic Therapeutic, Inc. Com | TECX | Nasdaq | Latest report: May 29, 2026

Current Short Interest2.3M
Prior Short Interest2.6M
Change Shares-270.9K
Change %-10.4%
Average Daily Volume221.0K
Days to Cover10.59

At the latest settlement date of May 29, 2026, Tectonic Therapeutic, Inc. Com (TECX) showed reported short interest of 2,341,074 shares. That compared with 2,612,024 shares in the prior report, a change of -270.9K shares, or -10.4%. The latest reported days to cover was 10.59, based on average daily volume of 221.0K.

The historical data currently tracked for TECX includes 45 reported entries from June 28, 2024 to May 29, 2026. Over that span, reported short interest has ranged from 13.9K to 5.4M shares.

Short Interest Over Time

Days to Cover Over Time

Extreme edge-case readings may reflect unusually low reported average volume.

Short Interest History for TECX

Settlement DateShort InterestPrior Short InterestChange SharesChange %Average Daily VolumeDays to Cover
May 29, 20262,341,0742,612,024-270.9K-10.4%221.0K10.59
May 15, 20262,612,0242,453,414158.6K+6.5%255.4K10.23
April 30, 20262,453,4142,425,05328.4K+1.2%225.4K10.89
April 15, 20262,425,0532,413,72911.3K+0.5%179.0K13.55
March 31, 20262,413,7292,793,962-380.2K-13.6%190.9K12.64
March 13, 20262,793,9623,091,130-297.2K-9.6%466.7K5.99
February 27, 20263,091,1303,655,738-564.6K-15.4%286.0K10.81
February 13, 20263,655,7383,768,786-113.0K-3.0%829.0K4.41
January 30, 20263,768,7863,977,991-209.2K-5.3%230.4K16.36
January 15, 20263,977,9913,740,335237.7K+6.4%220.1K18.07
December 31, 20253,740,3355,353,242-1.6M-30.1%384.6K9.72
December 15, 20255,353,2425,089,794263.4K+5.2%253.1K21.15
November 28, 20255,089,7945,004,97884.8K+1.7%350.0K14.54
November 14, 20255,004,9784,824,160180.8K+3.7%523.5K9.56
October 31, 20254,824,1603,553,6801.3M+35.8%758.9K6.36
October 15, 20253,553,6802,849,373704.3K+24.7%480.9K7.39
September 15, 20252,417,9472,586,743-168.8K-6.5%811.8K2.98
August 29, 20252,586,7432,512,52074.2K+3.0%123.8K20.89
August 15, 20252,512,5202,172,912339.6K+15.6%252.0K9.97
July 31, 20252,172,9121,923,054249.9K+13.0%192.0K11.32
July 15, 20251,923,0541,750,609172.4K+9.9%195.2K9.85
June 30, 20251,750,6091,341,751408.9K+30.5%333.3K5.25
June 13, 20251,341,7511,267,50274.2K+5.9%158.4K8.47
May 30, 20251,267,5021,281,412-13.9K-1.1%164.0K7.73
May 15, 20251,281,4121,201,60079.8K+6.6%175.5K7.3
April 30, 20251,201,6001,507,085-305.5K-20.3%201.8K5.95
April 15, 20251,507,0851,104,934402.2K+36.4%241.2K6.25
March 31, 20251,104,934882,379222.6K+25.2%281.5K3.92
February 28, 2025944,664888,50056.2K+6.3%263.6K3.58
February 14, 2025888,5001,061,683-173.2K-16.3%396.9K2.24
January 31, 20251,061,683661,086400.6K+60.6%790.6K1.34
January 15, 2025661,086570,75190.3K+15.8%111.2K5.94
December 31, 2024570,751511,87558.9K+11.5%107.3K5.32
December 13, 2024511,875476,83735.0K+7.3%79.2K6.46
November 29, 2024476,837439,26637.6K+8.6%102.6K4.65
November 15, 2024439,266355,08884.2K+23.7%151.9K2.89
October 31, 2024355,088331,76223.3K+7.0%106.5K3.33
October 15, 2024331,762303,84527.9K+9.2%111.9K2.96
September 30, 2024303,84584,896218.9K+257.9%227.2K1.34
September 13, 202484,89631,90553.0K+166.1%30.2K2.81
August 30, 202431,90520,90911.0K+52.6%26.0K1.23
August 15, 202420,90913,9437.0K+50.0%18.9K1.11
July 31, 202413,94318,677-4.7K-25.3%30.7K1
July 15, 202418,67718,449228+1.2%29.8K1
June 28, 202418,449175,378-156.9K-89.5%31.4K1

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