COMPASS THERAPEUTICS INC (CMPX) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $913.53M 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 $88.82M 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 $34.42M, representing an estimated loss of -61.25% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% 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
196
Total Reported Value
$913.53M
Largest Holder
Tang Capital Management Llc
Largest Position
$88.82M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
175
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 | 4.51% | 16,790,809 | $88,823,380 | $34,421,158 | -$54,402,222 | -61.25% | |
| Orbimed Advisors Llc | 1.76% | 15,219,994 | $80,513,768 | $31,200,988 | -$49,312,780 | -61.25% | |
| Suvretta Capital Management, Llc | 2.05% | 14,307,379 | $75,686,035 | $29,330,127 | -$46,355,908 | -61.25% | |
| Vivo Capital, Llc | 4.21% | 9,545,466 | $50,495,515 | $19,568,205 | -$30,927,310 | -61.25% | |
| Blackrock, Inc. | 0.00% | 9,506,080 | $50,287,163 | $19,487,464 | -$30,799,699 | -61.25% | |
| Adage Capital Partners Gp, L.L.C. | 0.07% | 8,486,500 | $44,893,585 | $17,397,325 | -$27,496,260 | -61.25% | |
| Enavate Sciences Gp, Llc | 11.72% | 7,788,150 | $41,199,314 | $15,965,707 | -$25,233,607 | -61.25% | |
| Bvf Inc/Il | 1.31% | 7,764,842 | $41,076,014 | $15,917,926 | -$25,158,088 | -61.25% | |
| State Street Corp | 0.00% | 6,694,976 | $35,416,423 | $13,724,701 | -$21,691,722 | -61.25% | |
| Vanguard Capital Management Llc | 0.00% | 6,037,175 | $31,936,656 | $12,376,209 | -$19,560,447 | -61.25% | |
| Rtw Investments, Lp | 0.22% | 4,186,599 | $22,147,109 | $8,582,528 | -$13,564,581 | -61.25% | |
| Deerfield Management Company, L.P. | 0.23% | 3,606,000 | $19,075,740 | $7,392,300 | -$11,683,440 | -61.25% | |
| Geode Capital Management, Llc | 0.00% | 3,565,770 | $18,867,863 | $7,309,828 | -$11,558,035 | -61.26% | |
| Rock Springs Capital Management Lp | 1.03% | 3,305,308 | $17,485,079 | $6,775,881 | -$10,709,198 | -61.25% | |
| Logos Global Management Lp | 0.86% | 3,150,000 | $16,663,500 | $6,457,500 | -$10,206,000 | -61.25% | |
| Blue Owl Capital Holdings Lp | 4.18% | 2,941,525 | $15,560,667 | $6,030,126 | -$9,530,541 | -61.25% | |
| Qube Research & Technologies Ltd | 0.02% | 2,550,356 | $13,491,383 | $5,228,230 | -$8,263,153 | -61.25% | |
| Ubs Group Ag | 0.00% | 2,391,333 | $12,650,151 | $4,902,233 | -$7,747,918 | -61.25% | |
| Sofinnova Investments, Inc. | 0.54% | 2,056,161 | $10,877,092 | $4,215,130 | -$6,661,962 | -61.25% | |
| Goldman Sachs Group Inc | 0.00% | 1,995,394 | $10,555,635 | $4,090,558 | -$6,465,077 | -61.25% | |
| Braidwell Lp | 0.35% | 1,965,106 | $10,395,411 | $4,028,467 | -$6,366,944 | -61.25% | |
| Blackstone Inc. | 0.04% | 1,857,848 | $9,828,016 | $3,808,588 | -$6,019,428 | -61.25% | |
| Fmr Llc | 0.00% | 1,801,721 | $9,531,104 | $3,693,528 | -$5,837,576 | -61.25% | |
| Royce & Associates Lp | 0.08% | 1,619,798 | $8,568,731 | $3,320,586 | -$5,248,145 | -61.25% | |
| Ameriprise Financial Inc | 0.00% | 1,596,815 | $8,447,151 | $3,273,471 | -$5,173,680 | -61.25% | |
| Palo Alto Investors Lp | 1.23% | 1,514,504 | $8,011,726 | $3,104,733 | -$4,906,993 | -61.25% | |
| Birchview Capital, Lp | 4.41% | 1,465,867 | $7,754,436 | $3,005,027 | -$4,749,409 | -61.25% | |
| Great Point Partners Llc | 1.75% | 1,350,000 | $7,141,500 | $2,767,500 | -$4,374,000 | -61.25% | |
| Fisher Asset Management, Llc | 0.00% | 1,348,259 | $7,132,289 | $2,763,931 | -$4,368,358 | -61.25% | |
| Balyasny Asset Management L.P. | 0.01% | 1,119,090 | $5,919,986 | $2,294,135 | -$3,625,852 | -61.25% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,082,651 | $5,727,224 | $2,219,435 | -$3,507,789 | -61.25% | |
| Schonfeld Strategic Advisors Llc | 0.05% | 1,076,004 | $5,692,060 | $2,205,808 | -$3,486,252 | -61.25% | |
| Northern Trust Corp | 0.00% | 1,048,558 | $5,546,871 | $2,149,544 | -$3,397,327 | -61.25% | |
| Vanguard Fiduciary Trust Co | 0.00% | 998,140 | $5,280,161 | $2,046,187 | -$3,233,974 | -61.25% | |
| Bank Of America Corp | 0.00% | 865,613 | $4,579,093 | $1,774,507 | -$2,804,586 | -61.25% | |
| Silverarc Capital Management, Llc | 0.54% | 859,049 | $4,544,369 | $1,761,050 | -$2,783,319 | -61.25% | |
| Acuta Capital Partners, Llc | 3.19% | 849,076 | $4,491,612 | $1,740,606 | -$2,751,006 | -61.25% | |
| Nextbio Capital Management Lp | 2.08% | 848,204 | $4,486,999 | $1,738,818 | -$2,748,181 | -61.25% | |
| Millennium Management Llc | 0.00% | 846,220 | $4,476,504 | $1,734,751 | -$2,741,753 | -61.25% | |
| Y-Intercept (Hong Kong) Ltd | 0.08% | 828,879 | $4,384,770 | $1,699,202 | -$2,685,568 | -61.25% | |
| Barclays Plc | 0.00% | 790,041 | $4,179,317 | $1,619,584 | -$2,559,733 | -61.25% | |
| Citadel Advisors Llc | 0.00% | 721,410 | $3,816,259 | $1,478,890 | -$2,337,369 | -61.25% | |
| Burkehill Global Management, Lp | 0.18% | 700,000 | $3,703,000 | $1,435,000 | -$2,268,000 | -61.25% | |
| Citigroup Inc | 0.00% | 598,238 | $3,164,680 | $1,226,388 | -$1,938,292 | -61.25% | |
| Atle Fund Management Ab | 0.99% | 41,831 | $3,051,055 | $85,754 | -$2,965,301 | -97.19% | |
| Seven Fleet Capital Management Lp | 0.87% | 516,972 | $2,734,782 | $1,059,793 | -$1,674,989 | -61.25% | |
| Arrowmark Colorado Holdings Llc | 0.07% | 514,793 | $2,723,255 | $1,055,326 | -$1,667,929 | -61.25% | |
| Kvp Capital Advisors, Lp | 1.98% | 500,000 | $2,645,000 | $1,025,000 | -$1,620,000 | -61.25% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 497,818 | $2,633,457 | $1,020,527 | -$1,612,930 | -61.25% | |
| Prudential Financial Inc | 0.00% | 494,300 | $2,614,847 | $1,013,315 | -$1,601,532 | -61.25% |
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.