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GT Biopharma, Inc.

GTBP
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000109657

No open-market purchases or sales by GT Biopharma, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $1.02M in total; no superinvestor holds it.

13F holders, Q4 2021

Institutional positions in GT Biopharma, Inc. as of Dec 31, 2021. 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
55
+1 vs. Q3 2021
Shares held
5.48M
+721.4K (+15.2%) vs. Q3 2021
Total value
$16.7M
−$15.4M (−48.0%) vs. Q3 2021
New holders
12
23 more added
Sold out
11
6 more reduced

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GTBP 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 holdersQ4 2021: 55 institutions
Q1 2021: 21 institutionsQ2 2021: 50 institutionsQ3 2021: 54 institutionsQ4 2021: 55 institutionsQ1 2022: 58 institutionsQ2 2022: 48 institutionsQ3 2022: 35 institutionsQ4 2022: 36 institutionsQ1 2023: 36 institutionsQ2 2023: 37 institutionsQ3 2023: 33 institutionsQ4 2023: 34 institutionsQ1 2024: 17 institutionsQ2 2024: 17 institutionsQ3 2024: 16 institutionsQ4 2024: 19 institutionsQ1 2025: 20 institutionsQ2 2025: 21 institutionsQ3 2025: 21 institutionsQ4 2025: 38 institutionsQ1 2026: 42 institutionsQ2 2026: 59 institutions
Value heldQ4 2021: $16.7M
Q1 2021: $3.98MQ2 2021: $69.9MQ3 2021: $32.1MQ4 2021: $16.7MQ1 2022: $12.9MQ2 2022: $9.28MQ3 2022: $4.36MQ4 2022: $5.62MQ1 2023: $3.05MQ2 2023: $1.11MQ3 2023: $849.9KQ4 2023: $893.1KQ1 2024: $348.6KQ2 2024: $296.8KQ3 2024: $203.8KQ4 2024: $279.1KQ1 2025: $220.5KQ2 2025: $711.3KQ3 2025: $222.2KQ4 2025: $373.7KQ1 2026: $656.7KQ2 2026: $1.02M
Institutions holding GTBP and their total value by quarter
QuarterHoldersValue
Q2 202659$1.02M
Q1 202642$656.7K
Q4 202538$373.7K
Q3 202521$222.2K
Q2 202521$711.3K
Q1 202520$220.5K
Q4 202419$279.1K
Q3 202416$203.8K
Q2 202417$296.8K
Q1 202417$348.6K
Q4 202334$893.1K
Q3 202333$849.9K
Q2 202337$1.11M
Q1 202336$3.05M
Q4 202236$5.62M
Q3 202235$4.36M
Q2 202248$9.28M
Q1 202258$12.9M
Q4 202155$16.7M
Q3 202154$32.1M
Q2 202150$69.9M
Q1 202121$3.98M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding GT Biopharma, Inc.; share changes are against Q3 2021.

Institutions holding GTBP in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,206,352$3.68M0.00%+243,029+25.2%Added
BlackRock Inc.1,166,026$3.56M0.00%+10,798+0.9%Added
State Street Corp523,615$1.60M0.00%+54,587+11.6%Added
Morgan Stanley442,794$1.35M0.00%+190,503+75.5%Added
Geode Capital Management, LLC387,948$1.18M0.00%−36,331−8.6%Reduced
Renaissance Technologies LLC306,700$935.0K0.00%+222,000+262.1%Added
Two Sigma Investments, LP180,100$549.0K0.00%+17,277+10.6%Added
Northern Trust Corp170,455$520.0K0.00%+3,360+2.0%Added
Bank of New York Mellon Corp145,123$441.0K0.00%+7,967+5.8%Added
Two Sigma Advisers, LP119,900$366.0K0.00%+68,800+134.6%Added
Bank of America Corp88,975$272.0K0.00%+2,504+2.9%Added
Goldman Sachs Group Inc71,234$217.0K0.00%+18,808+35.9%Added
Nuveen Asset Management, LLC70,047$213.0K0.00%−8,716−11.1%Reduced
Susquehanna International Group, LLP55,762$170.0K0.00%+9,483+20.5%Added
Charles Schwab Investment Management Inc45,664$140.0K0.00%00.0%Unchanged
Anson Funds Management LP43,692$133.0K0.02%+43,692New
D. E. Shaw & Co., Inc.42,401$129.0K0.00%−83,468−66.3%Reduced
Gordian Capital Singapore Pte Ltd35,000$107.0K0.09%+35,000New
Compagnie Lombard Odier SCmA30,000$92.0K0.00%+15,000+100.0%Added
AQR Capital Management LLC29,270$89.0K0.00%+12,295+72.4%Added
Susquehanna Fundamental Investments, LLC28,860$88.0K0.00%+14,600+102.4%Added
Franklin Resources Inc28,500$87.0K0.00%00.0%Unchanged
Crumly & Associates Inc.32,163$85.0K0.03%+32,163New
Occudo Quantitative Strategies LP23,106$70.0K0.01%+23,106New
State Board of Administration of Florida Retirement System18,224$56.0K0.00%00.0%Unchanged
Rhumbline Advisers16,688$51.0K0.00%00.0%Unchanged
Ameriprise Financial Inc14,579$44.0K0.00%+14,579New
Deutsche Bank AG11,962$37.0K0.00%+562+4.9%Added
Citadel Advisors LLC11,442$35.0K0.00%−2,673−18.9%Reduced
UBS Group AG11,444$34.0K0.00%+6,686+140.5%Added
Brighton Jones LLC11,288$34.0K0.00%+11,288New
Commonwealth Equity Services, LLC11,052$33.0K0.00%+11,052New
Squarepoint Ops LLC10,756$33.0K0.00%+10,756New
Wells Fargo & Company10,649$32.0K0.00%+8,871+498.9%Added
Welch Group, LLC10,000$31.0K0.00%00.0%Unchanged
California State Teachers Retirement System9,721$30.0K0.00%+133+1.4%Added
American International Group, Inc.9,431$29.0K0.00%−281−2.9%Reduced
New York State Common Retirement Fund8,149$25.0K0.00%−81−1.0%Reduced
JPMorgan Chase & Co6,833$21.0K0.00%00.0%Unchanged
Royal Bank of Canada6,377$20.0K0.00%+2,243+54.3%Added
Simplex Trading, LLC6,310$19.0K0.00%+6,243+9,317.9%Added
Optiver Holding B.V.2,578$17.0K0.00%00.0%Unchanged
Citigroup Inc4,572$14.0K0.00%+2,511+121.8%Added
Tower Research Capital LLC (TRC)3,888$12.0K0.00%+474+13.9%Added
Ameritas Investment Partners, Inc.1,870$6.00K0.00%00.0%Unchanged
Legal & General Group Plc1,843$6.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,651$6.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.1,700$5.00K0.00%00.0%Unchanged
Investmark Advisory Group LLC1,450$4.00K0.00%+1,450New
Coastal Capital Group, Inc.549$2.00K0.00%00.0%Unchanged
Blue Bell Private Wealth Management, LLC300$1.00K0.00%+300New
American Portfolios Advisors14$430.00%00.0%Unchanged
Retirement Group, LLC44$00.00%00.0%Unchanged
Ellevest, Inc.89$00.00%+89New
Cornerstone Advisory, LLC3$00.00%+3New
Silverleafe Capital Partners, LLC0$00.00%−105,000−100.0%Sold out
Millennium Management LLC0$00.00%−34,127−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−33,703−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−22,200−100.0%Sold out
Marshall Wace, LLP0$00.00%−16,577−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−14,315−100.0%Sold out
Invesco Ltd.0$00.00%−12,981−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−9,642−100.0%Sold out
Hartford Financial Management Inc.0$00.00%−500−100.0%Sold out
FMR LLC0$00.00%−127−100.0%Sold out
Harbour Investments, Inc.0$00.00%−100−100.0%Sold out