Skip to main content

Tectonic Therapeutic, Inc.

TECX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001681087

In the last 90 days, Tectonic Therapeutic, Inc. insiders filed 0 open-market purchases and 3 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $479.9M in total; no superinvestor holds it.

13F holders, Q2 2022

Institutional positions in Tectonic Therapeutic, Inc. as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
64
−14 vs. Q1 2022
Shares held
25.9M
−3.26M (−11.2%) vs. Q1 2022
Total value
$23.8M
−$14.7M (−38.1%) vs. Q1 2022
New holders
14
12 more added
Sold out
28
26 more reduced

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TECX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 64 institutions
Q1 2021: 99 institutionsQ2 2021: 97 institutionsQ3 2021: 101 institutionsQ4 2021: 94 institutionsQ1 2022: 81 institutionsQ2 2022: 64 institutionsQ3 2022: 54 institutionsQ4 2022: 45 institutionsQ1 2023: 48 institutionsQ2 2023: 41 institutionsQ3 2023: 48 institutionsQ4 2023: 45 institutionsQ1 2024: 47 institutionsQ2 2024: 40 institutionsQ3 2024: 53 institutionsQ4 2024: 70 institutionsQ1 2025: 78 institutionsQ2 2025: 82 institutionsQ3 2025: 99 institutionsQ4 2025: 105 institutionsQ1 2026: 111 institutionsQ2 2026: 122 institutions
Value heldQ2 2022: $23.8M
Q1 2021: $423.5MQ2 2021: $287.7MQ3 2021: $166.5MQ4 2021: $134.9MQ1 2022: $38.8MQ2 2022: $23.8MQ3 2022: $15.7MQ4 2022: $14.8MQ1 2023: $22.8MQ2 2023: $18.9MQ3 2023: $39.9MQ4 2023: $32.2MQ1 2024: $35.2MQ2 2024: $88.1MQ3 2024: $217.4MQ4 2024: $354.9MQ1 2025: $198.8MQ2 2025: $240.7MQ3 2025: $189.9MQ4 2025: $288.1MQ1 2026: $426.8MQ2 2026: $479.9M
Institutions holding TECX and their total value by quarter
QuarterHoldersValue
Q2 2026122$479.9M
Q1 2026111$426.8M
Q4 2025105$288.1M
Q3 202599$189.9M
Q2 202582$240.7M
Q1 202578$198.8M
Q4 202470$354.9M
Q3 202453$217.4M
Q2 202440$88.1M
Q1 202447$35.2M
Q4 202345$32.2M
Q3 202348$39.9M
Q2 202341$18.9M
Q1 202348$22.8M
Q4 202245$14.8M
Q3 202254$15.7M
Q2 202264$23.8M
Q1 202281$38.8M
Q4 202194$134.9M
Q3 2021101$166.5M
Q2 202197$287.7M
Q1 202199$423.5M

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Tectonic Therapeutic, Inc.; share changes are against Q1 2022.

Institutions holding TECX in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Atlas Venture Life Science Advisors, LLC4,520,863$4.16M0.70%00.0%Unchanged
GMT Capital Corp3,494,490$3.21M0.20%+899,576+34.7%Added
JPMorgan Chase & Co2,120,044$1.95M0.00%+125,653+6.3%Added
BlackRock Inc.2,001,023$1.84M0.00%−1,787,704−47.2%Reduced
Renaissance Technologies LLC1,555,800$1.43M0.00%+670,700+75.8%Added
Acadian Asset Management LLC1,123,564$1.03M0.01%+210,107+23.0%Added
K2 Principal Fund, L.P.1,115,177$1.03M0.17%+1,115,177New
Vanguard Group Inc1,020,487$939.0K0.00%−52,681−4.9%Reduced
Aisling Capital Management LP1,009,779$929.0K0.66%00.0%Unchanged
Millennium Management LLC794,522$731.0K0.00%+270,083+51.5%Added
Farallon Capital Management, L.L.C.740,000$681.0K0.00%00.0%Unchanged
Citadel Advisors LLC691,480$636.0K0.00%+73,452+11.9%Added
MPM Oncology Impact Management LP647,918$596.0K0.17%00.0%Unchanged
Two Sigma Advisers, LP568,000$523.0K0.00%−107,800−16.0%Reduced
Ra Capital Management, L.P.559,600$515.0K0.01%+559,600New
Morgan Stanley535,075$492.0K0.00%+67,417+14.4%Added
Two Sigma Investments, LP473,644$436.0K0.00%−198,789−29.6%Reduced
D. E. Shaw & Co., Inc.448,844$413.0K0.00%−32,407−6.7%Reduced
Geode Capital Management, LLC386,858$355.0K0.00%−358,823−48.1%Reduced
Gsa Capital Partners LLP330,281$304.0K0.05%−8,141−2.4%Reduced
New Leaf Venture Partners, L.L.C.315,550$290.0K0.19%00.0%Unchanged
Goldman Sachs Group Inc148,446$136.0K0.00%−123,303−45.4%Reduced
State Street Corp140,852$130.0K0.00%−484,959−77.5%Reduced
Ergoteles LLC139,048$128.0K0.00%+139,048New
Bridgeway Capital Management, LLC135,000$124.0K0.00%−98,100−42.1%Reduced
AQR Capital Management LLC130,805$120.0K0.00%−367,173−73.7%Reduced
Wells Fargo & Company90,505$83.0K0.00%+935+1.0%Added
Private Advisor Group, LLC76,718$71.0K0.00%+76,718New
Sawtooth Solutions, LLC75,942$70.0K0.01%+75,942New
Northern Trust Corp73,938$68.0K0.00%−248,024−77.0%Reduced
Charles Schwab Investment Management Inc37,231$35.0K0.00%−46,886−55.7%Reduced
Penn Mutual Asset Management, LLC37,306$34.0K0.05%00.0%Unchanged
Deutsche Bank AG35,000$32.0K0.00%−20,565−37.0%Reduced
Qube Research & Technologies Ltd35,204$32.0K0.00%+35,204New
BNP Paribas Arbitrage, SA32,108$29.5K0.00%+28,995+931.4%Added
Jump Financial, LLC26,100$24.0K0.00%+26,100New
Needham Investment Management LLC24,513$23.0K0.00%+14,000+133.2%Added
Barclays PLC21,935$20.0K0.00%−39,336−64.2%Reduced
HSBC Holdings PLC18,687$18.0K0.00%00.0%Unchanged
LMR Partners LLP18,020$17.0K0.00%+18,020New
Colonial River Wealth Management, LLC17,362$16.0K0.01%−274−1.6%Reduced
Susquehanna International Group, LLP17,272$16.0K0.00%+17,272New
Bank of New York Mellon Corp16,788$15.0K0.00%−128,688−88.5%Reduced
StoneX Group Inc.15,000$13.8K0.00%+15,000New
Jane Street Group, LLC14,316$13.0K0.00%+14,316New
Cubist Systematic Strategies, LLC13,123$12.0K0.00%−9,373−41.7%Reduced
Tower Research Capital LLC (TRC)10,387$10.0K0.00%−3,275−24.0%Reduced
HRT Financial LP11,803$10.0K0.00%+11,803New
Federated Hermes, Inc.9,370$9.00K0.00%−2,439,645−99.6%Reduced
Running Point Capital Advisors, LLC10,000$9.00K0.01%00.0%Unchanged
FMR LLC4,928$5.00K0.00%+3,686+296.8%Added
Bank of America Corp3,816$4.00K0.00%−8,752−69.6%Reduced
Quantbot Technologies LP5,338$4.00K0.00%+38+0.7%Added
Group One Trading, L.P.3,007$3.00K0.00%00.0%Unchanged
Royal Bank of Canada1,955$2.00K0.00%−2,237−53.4%Reduced
CWM, LLC2,000$2.00K0.00%00.0%Unchanged
Point72 Hong Kong Ltd973$1.00K0.00%−2,236−69.7%Reduced
Citigroup Inc1,059$1.00K0.00%−1,519−58.9%Reduced
New York State Common Retirement Fund320$00.00%−12,000−97.4%Reduced
Simplex Trading, LLC246$00.00%−1,900−88.5%Reduced
Daiwa Securities Group Inc.80$00.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.367$00.00%00.0%Unchanged
Credit Suisse AG20$00.00%+20New
Capital Advisors, Ltd. LLC307$00.00%+307New
Eversept Partners, LP0$00.00%−295,369−100.0%Sold out
Walleye Capital LLC0$00.00%−198,926−100.0%Sold out
Nuveen Asset Management, LLC0$00.00%−137,908−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−150,752−100.0%Sold out
Algert Global LLC0$00.00%−55,200−100.0%Sold out
Rhumbline Advisers0$00.00%−46,582−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−31,500−100.0%Sold out
Alliancebernstein L.P.0$00.00%−30,300−100.0%Sold out
XTX Topco Ltd0$00.00%−23,289−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−20,842−100.0%Sold out
American International Group, Inc.0$00.00%−18,810−100.0%Sold out
California State Teachers Retirement System0$00.00%−16,541−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−16,800−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−14,939−100.0%Sold out
Voya Investment Management LLC0$00.00%−13,617−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−13,372−100.0%Sold out
ProShare Advisors LLC0$00.00%−11,620−100.0%Sold out
Invesco Ltd.0$00.00%−11,429−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−10,000−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−10,519−100.0%Sold out
Amalgamated Bank0$00.00%−4,561−100.0%Sold out
Legal & General Group Plc0$00.00%−3,029−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−2,729−100.0%Sold out
UBS Group AG0$00.00%−2,476−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−2,000−100.0%Sold out
RPg Family Wealth Advisory, LLC0$00.00%−270−100.0%Sold out
Raffa Wealth Management, LLC0$00.00%−166−100.0%Sold out
Toronto Dominion Bank0$00.00%−4−100.0%Sold out
Susquehanna Fundamental Investments, LLC––––Not filed
Parametric Portfolio Associates LLC––––Not filed
Amalgamated Financial Corp.––––Not filed