GT BIOPHARMA INC (GTBP) Institutional Shareholders
GT BIOPHARMA INC (GTBP) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $766,511 in GTBP holdings during the latest filing period.
Vanguard Capital Management Llc is currently the largest disclosed institutional shareholder of GTBP tracked by InsiderSet, reporting ownership valued at approximately $184,365 in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $132,625.313, representing an estimated loss of -28.06% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 81% of the total disclosed GTBP value among the investors covered in this analysis. Major shareholders include Vanguard Capital Management Llc, Geode Capital Management, Llc, Vanguard Fiduciary Trust Co, and several other long-term asset managers with concentrated positions in GT BIOPHARMA INC (GTBP).
This page ranks the largest institutional GTBP shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
44
Total Reported Value
$766,511
Largest Holder
Vanguard Capital Management Llc
Largest Position
$184,365
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
59
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Vanguard Capital Management Llc | 0.00% | 451,875 | $184,365 | $132,625 | -$51,740 | -28.06% | |
| Geode Capital Management, Llc | 0.00% | 294,459 | $120,170 | $86,424 | -$33,746 | -28.08% | |
| Vanguard Fiduciary Trust Co | 0.00% | 225,938 | $92,183 | $66,313 | -$25,870 | -28.06% | |
| Everhart Financial Group, Inc. | 0.00% | 100,000 | $48,970 | $29,350 | -$19,620 | -40.07% | |
| Opal Wealth Advisors, Llc | 0.01% | 81,811 | $40,063 | $24,012 | -$16,051 | -40.07% | |
| Arax Advisory Partners | 0.00% | 93,627 | $38,210 | $27,480 | -$10,730 | -28.08% | |
| Citadel Advisors Llc | 0.00% | 66,165 | $27,002 | $19,419 | -$7,583 | -28.08% | |
| Seacrest Wealth Management, Llc | 0.00% | 50,100 | $24,534 | $14,704 | -$9,830 | -40.07% | |
| Kitching Partners, Llc | 0.02% | 50,000 | $24,485 | $14,675 | -$9,810 | -40.07% | |
| Ubs Group Ag | 0.00% | 45,970 | $18,756 | $13,492 | -$5,264 | -28.06% | |
| Two Sigma Securities, Llc | 0.00% | 31,796 | $12,976 | $9,332 | -$3,644 | -28.08% | |
| Lpl Financial Llc | 0.00% | 30,382 | $12,399 | $8,917 | -$3,482 | -28.08% | |
| Private Wealth Management Group, Llc | 0.00% | 20,000 | $9,794 | $5,870 | -$3,924 | -40.07% | |
| Invst, Llc | 0.00% | 23,400 | $9,550 | $6,868 | -$2,682 | -28.08% | |
| Osaic Holdings, Inc. | 0.00% | 21,000 | $8,572 | $6,164 | -$2,409 | -28.10% | |
| Cerity Partners Llc | 0.00% | 20,023 | $8,171 | $5,877 | -$2,294 | -28.08% | |
| Integrated Wealth Concepts Llc | 0.00% | 20,006 | $8,164 | $5,872 | -$2,292 | -28.08% | |
| Tempus Wealth Planning, Llc | 0.00% | 15,000 | $7,346 | $4,403 | -$2,944 | -40.07% | |
| Morgan Stanley | 0.00% | 16,599 | $6,774 | $4,872 | -$1,902 | -28.08% | |
| Caitlin John, Llc | 0.00% | 16,500 | $6,734 | $4,843 | -$1,891 | -28.09% | |
| Wells Fargo & Company/Mn | 0.00% | 16,037 | $6,545 | $4,707 | -$1,838 | -28.08% | |
| Prospera Financial Services Inc | 0.00% | 12,500 | $6,121 | $3,669 | -$2,452 | -40.06% | |
| Stonex Group Inc. | 0.00% | 14,756 | $6,022 | $4,331 | -$1,691 | -28.08% | |
| Verdence Capital Advisors Llc | 0.00% | 12,000 | $5,876 | $3,522 | -$2,354 | -40.06% | |
| Mayflower Financial Advisors, Llc | 0.00% | 11,000 | $5,387 | $3,229 | -$2,159 | -40.07% | |
| Parsons Capital Management Inc/Ri | 0.00% | 10,900 | $5,338 | $3,199 | -$2,139 | -40.07% | |
| Lasalle St. Investment Advisors, Llc | 0.00% | 11,000 | $4,489 | $3,229 | -$1,261 | -28.08% | |
| Hbk Sorce Advisory Llc | 0.00% | 10,000 | $3,752 | $2,935 | -$817 | -21.78% | |
| Blackrock, Inc. | 0.00% | 8,408 | $3,431 | $2,468 | -$963 | -28.07% | |
| Allworth Financial Lp | 0.00% | 4,501 | $1,837 | $1,321 | -$516 | -28.09% | |
| Nfsg Corp | 0.00% | 3,750 | $1,530 | $1,101 | -$429 | -28.06% | |
| Farther Finance Advisors, Llc | 0.00% | 3,000 | $1,469 | $881 | -$589 | -40.06% | |
| Massmutual Private Wealth & Trust, Fsb | 0.00% | 3,000 | $1,469 | $881 | -$589 | -40.06% | |
| West Financial Advisors, Llc | 0.00% | 2,500 | $1,225 | $734 | -$491 | -40.10% | |
| Triumph Capital Management | 0.00% | 1,655 | $810 | $486 | -$324 | -40.03% | |
| Tower Research Capital Llc (Trc) | 0.00% | 1,698 | $693 | $498 | -$195 | -28.09% | |
| Stone House Investment Management, Llc | 0.00% | 1,251 | $510 | $367 | -$143 | -28.01% | |
| Fmr Llc | 0.00% | 1,000 | $408 | $294 | -$115 | -28.06% | |
| Reyes Financial Architecture, Inc. | 0.00% | 625 | $306 | $183 | -$123 | -40.05% | |
| Hilltop National Bank | 0.00% | 100 | $49 | $29 | -$20 | -40.10% | |
| Am Investment Strategies Llc | 0.00% | 15,000 | $7 | $4,403 | +$4,396 | +62792.86% | |
| Bnp Paribas Financial Markets | 0.00% | 16 | $7 | $5 | -$2 | -32.91% | |
| Coston, Mcisaac & Partners | 0.00% | 17,092 | $6 | $5,017 | +$5,011 | +83508.37% | |
| Virtu Financial Llc | 0.00% | 14,876 | $6 | $4,366 | +$4,360 | +72668.43% |
Frequently asked questions about GTBP
Who owns the most GTBP stock?
The largest holders of GTBP are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GT BIOPHARMA INC (GTBP).
Is GTBP widely held by superinvestors?
Many widely followed stocks like GTBP appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GTBP is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.