COMPASS THERAPEUTICS INC (CMPX) Institutional Shareholders
COMPASS THERAPEUTICS INC (CMPX) 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 $358.09M in CMPX holdings during the latest filing period.
Tang Capital Management Llc is currently the largest disclosed institutional shareholder of CMPX tracked by InsiderSet, reporting ownership valued at approximately $39.40M in its June 30, 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 $40.48M, representing an estimated gain of +2.74% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 60% of the total disclosed CMPX value among the investors covered in this analysis. Major shareholders include Tang Capital Management Llc, Orbimed Advisors Llc, Suvretta Capital Management, Llc, and several other long-term asset managers with concentrated positions in COMPASS THERAPEUTICS INC (CMPX).
This page ranks the largest institutional CMPX 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
213
Total Reported Value
$358.09M
Largest Holder
Tang Capital Management Llc
Largest Position
$39.40M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
94
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Tang Capital Management Llc | 1.79% | 17,990,782 | $39,399,813 | $40,479,260 | +$1,079,447 | +2.74% | |
| Orbimed Advisors Llc | 0.63% | 15,219,994 | $33,331,787 | $34,244,987 | +$913,200 | +2.74% | |
| Suvretta Capital Management, Llc | 0.65% | 14,101,159 | $30,881,538 | $31,727,608 | +$846,070 | +2.74% | |
| Blackrock, Inc. | 0.00% | 11,281,781 | $24,707,100 | $25,384,007 | +$676,907 | +2.74% | |
| State Street Corp | 0.00% | 9,953,653 | $21,798,500 | $22,395,719 | +$597,219 | +2.74% | |
| Enavate Sciences Gp, Llc | 4.94% | 7,788,150 | $17,056,049 | $17,523,338 | +$467,289 | +2.74% | |
| Vivo Capital, Llc | 1.55% | 7,757,060 | $16,987,961 | $17,453,385 | +$465,424 | +2.74% | |
| Vanguard Capital Management Llc | 0.00% | 6,118,782 | $13,400,133 | $13,767,260 | +$367,127 | +2.74% | |
| Millennium Management Llc | 0.01% | 4,713,247 | $10,322,011 | $10,604,806 | +$282,795 | +2.74% | |
| Geode Capital Management, Llc | 0.00% | 3,815,189 | $8,357,450 | $8,584,175 | +$226,725 | +2.71% | |
| Vanguard Portfolio Management Llc | 0.00% | 3,771,032 | $8,258,560 | $8,484,822 | +$226,262 | +2.74% | |
| Qube Research & Technologies Ltd | 0.01% | 3,687,489 | $8,075,601 | $8,296,850 | +$221,249 | +2.74% | |
| Palo Alto Investors Lp | 1.23% | 1,514,504 | $8,011,726 | $3,407,634 | -$4,604,092 | -57.47% | |
| Blue Owl Capital Holdings Lp | 1.21% | 3,624,076 | $7,936,726 | $8,154,171 | +$217,445 | +2.74% | |
| Citadel Advisors Llc | 0.00% | 3,570,674 | $7,819,776 | $8,034,017 | +$214,241 | +2.74% | |
| Goldman Sachs Group Inc | 0.00% | 3,531,000 | $7,732,890 | $7,944,750 | +$211,860 | +2.74% | |
| Rock Springs Capital Management Lp | 0.38% | 3,524,929 | $7,719,595 | $7,931,090 | +$211,495 | +2.74% | |
| Aqr Capital Management Llc | 0.00% | 3,509,137 | $7,685,011 | $7,895,558 | +$210,547 | +2.74% | |
| Birchview Capital, Lp | 1.72% | 1,675,000 | $3,668,250 | $3,768,750 | +$100,500 | +2.74% | |
| Kingdon Capital Management, L.L.C. | 0.41% | 1,400,000 | $3,066,000 | $3,150,000 | +$84,000 | +2.74% | |
| Fisher Asset Management, Llc | 0.00% | 1,391,890 | $3,048,238 | $3,131,753 | +$83,515 | +2.74% | |
| Royce & Associates Lp | 0.02% | 1,336,780 | $2,927,548 | $3,007,755 | +$80,207 | +2.74% | |
| Seven Fleet Capital Management Lp | 0.87% | 516,972 | $2,734,782 | $1,163,187 | -$1,571,595 | -57.47% | |
| Fmr Llc | 0.00% | 1,212,196 | $2,654,709 | $2,727,441 | +$72,732 | +2.74% | |
| Adage Capital Partners Gp, L.L.C. | 0.00% | 1,186,500 | $2,598,435 | $2,669,625 | +$71,190 | +2.74% | |
| Northern Trust Corp | 0.00% | 1,140,914 | $2,498,603 | $2,567,057 | +$68,454 | +2.74% | |
| Atle Fund Management Ab | 0.62% | 1,048,593 | $2,296,418 | $2,359,334 | +$62,916 | +2.74% | |
| Nuveen, Llc | 0.00% | 1,010,562 | $2,213,130 | $2,273,765 | +$60,635 | +2.74% | |
| Squarepoint Ops Llc | 0.00% | 1,007,507 | $2,206,440 | $2,266,891 | +$60,451 | +2.74% | |
| Vanguard Fiduciary Trust Co | 0.00% | 1,000,938 | $2,192,054 | $2,252,111 | +$60,057 | +2.74% | |
| Blackstone Inc. | 0.01% | 899,936 | $1,970,860 | $2,024,856 | +$53,996 | +2.74% | |
| First Trust Advisors Lp | 0.00% | 807,004 | $1,767,338 | $1,815,759 | +$48,421 | +2.74% | |
| Jpmorgan Chase & Co | 0.00% | 789,399 | $1,705,102 | $1,776,148 | +$71,046 | +4.17% | |
| Kvp Capital Advisors, Lp | 1.24% | 771,000 | $1,688,490 | $1,734,750 | +$46,260 | +2.74% | |
| Morgan Stanley | 0.00% | 735,186 | $1,610,058 | $1,654,169 | +$44,111 | +2.74% | |
| Citigroup Inc | 0.00% | 713,907 | $1,563,457 | $1,606,291 | +$42,834 | +2.74% | |
| Ubs Group Ag | 0.00% | 712,763 | $1,560,951 | $1,603,717 | +$42,766 | +2.74% | |
| Burkehill Global Management, Lp | 0.06% | 700,000 | $1,533,000 | $1,575,000 | +$42,000 | +2.74% | |
| Point72 Asset Management, L.P. | 0.00% | 686,577 | $1,503,604 | $1,544,798 | +$41,194 | +2.74% | |
| Acuta Capital Partners, Llc | 0.91% | 595,213 | $1,303,516 | $1,339,229 | +$35,713 | +2.74% | |
| Bank Of America Corp | 0.00% | 566,919 | $1,241,553 | $1,275,568 | +$34,015 | +2.74% | |
| Cm Management, Llc | 0.77% | 550,000 | $1,204,500 | $1,237,500 | +$33,000 | +2.74% | |
| Dimensional Fund Advisors Lp | 0.00% | 541,178 | $1,184,772 | $1,217,651 | +$32,879 | +2.78% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 523,777 | $1,147,072 | $1,178,498 | +$31,426 | +2.74% | |
| Alliancebernstein L.P. | 0.00% | 161,880 | $856,345 | $364,230 | -$492,115 | -57.47% | |
| Artia Global Partners Lp | 0.16% | 383,200 | $839,208 | $862,200 | +$22,992 | +2.74% | |
| Wellington Management Group Llp | 0.00% | 378,687 | $829,324 | $852,046 | +$22,722 | +2.74% | |
| Arrowmark Colorado Holdings Llc | 0.03% | 364,742 | $798,785 | $820,670 | +$21,885 | +2.74% | |
| Bank Of New York Mellon Corp | 0.00% | 351,032 | $768,760 | $789,822 | +$21,062 | +2.74% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 139,642 | $738,706 | $314,195 | -$424,512 | -57.47% |
Frequently asked questions about CMPX
Who owns the most CMPX stock?
The largest holders of CMPX 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 COMPASS THERAPEUTICS INC (CMPX).
Is CMPX widely held by superinvestors?
Many widely followed stocks like CMPX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly CMPX 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.