AKTIS ONCOLOGY INC (AKTS) Institutional Shareholders
AKTIS ONCOLOGY INC (AKTS) 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 $1.08B in AKTS holdings during the latest filing period.
Mpm Bioimpact Llc is currently the largest disclosed institutional shareholder of AKTS tracked by InsiderSet, reporting ownership valued at approximately $155.86M 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 $94.15M, representing an estimated loss of -39.59% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 71% of the total disclosed AKTS value among the investors covered in this analysis. Major shareholders include Mpm Bioimpact Llc, Ecor1 Capital, Llc, Blue Owl Capital Holdings Lp, and several other long-term asset managers with concentrated positions in AKTIS ONCOLOGY INC (AKTS).
This page ranks the largest institutional AKTS 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
112
Total Reported Value
$1.08B
Largest Holder
Mpm Bioimpact Llc
Largest Position
$155.86M
Insider Transactions (90d)
28
Latest Filing Quarter
Q2 2026
New Institutional Positions
124
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Mpm Bioimpact Llc | 9.50% | 4,835,872 | $155,860,155 | $94,154,428 | -$61,705,727 | -39.59% | |
| Ecor1 Capital, Llc | 7.71% | 4,824,469 | $155,492,636 | $93,932,411 | -$61,560,225 | -39.59% | |
| Blue Owl Capital Holdings Lp | 15.04% | 3,070,219 | $98,953,158 | $59,777,164 | -$39,175,994 | -39.59% | |
| Blackrock, Inc. | 0.00% | 2,278,358 | $73,431,479 | $44,359,630 | -$29,071,849 | -39.59% | |
| T. Rowe Price Investment Management, Inc. | 0.04% | 2,051,447 | $66,119,000 | $39,941,673 | -$26,177,327 | -39.59% | |
| Wellington Management Group Llp | 0.01% | 1,966,244 | $63,372,044 | $38,282,771 | -$25,089,273 | -39.59% | |
| Rtw Investments, Lp | 0.44% | 1,592,043 | $51,311,546 | $30,997,077 | -$20,314,469 | -39.59% | |
| Ra Capital Management, L.P. | 0.37% | 1,314,405 | $42,363,273 | $25,591,465 | -$16,771,808 | -39.59% | |
| Baker Bros. Advisors Lp | 0.16% | 996,351 | $32,112,393 | $19,398,954 | -$12,713,439 | -39.59% | |
| Octagon Capital Advisors Lp | 2.84% | 960,847 | $30,968,099 | $18,707,691 | -$12,260,408 | -39.59% | |
| Merck & Co., Inc. | 5.83% | 952,844 | $30,710,162 | $18,551,873 | -$12,158,289 | -39.59% | |
| Vanguard Capital Management Llc | 0.00% | 817,075 | $26,334,327 | $15,908,450 | -$10,425,877 | -39.59% | |
| Janus Henderson Group Plc | 0.01% | 1,454,267 | $26,022,437 | $28,314,578 | +$2,292,141 | +8.81% | |
| Price T Rowe Associates Inc | 0.00% | 763,499 | $24,608,000 | $14,865,326 | -$9,742,674 | -39.59% | |
| Tcg Crossover Management, Llc | 0.54% | 696,560 | $22,450,129 | $13,562,023 | -$8,888,106 | -39.59% | |
| Geode Capital Management, Llc | 0.00% | 520,737 | $16,787,478 | $10,138,749 | -$6,648,729 | -39.61% | |
| Eventide Asset Management, Llc | 0.22% | 507,000 | $16,340,610 | $9,871,290 | -$6,469,320 | -39.59% | |
| Avidity Partners Management Lp | 2.50% | 484,200 | $15,605,766 | $9,427,374 | -$6,178,392 | -39.59% | |
| State Street Corp | 0.00% | 484,010 | $15,599,642 | $9,423,675 | -$6,175,967 | -39.59% | |
| A16Z Capital Management, L.L.C. | 0.09% | 415,000 | $13,375,450 | $8,080,050 | -$5,295,400 | -39.59% | |
| Alyeska Investment Group, L.P. | 0.02% | 290,000 | $9,346,700 | $5,646,300 | -$3,700,400 | -39.59% | |
| Fmr Llc | 0.00% | 285,631 | $9,205,887 | $5,561,236 | -$3,644,651 | -39.59% | |
| Arrowmark Colorado Holdings Llc | 0.33% | 245,872 | $7,924,455 | $4,787,128 | -$3,137,327 | -39.59% | |
| Northern Trust Corp | 0.00% | 180,575 | $5,819,933 | $3,515,795 | -$2,304,138 | -39.59% | |
| Charles Schwab Investment Management Inc | 0.00% | 166,842 | $5,377,318 | $3,248,414 | -$2,128,904 | -39.59% | |
| Barclays Plc | 0.00% | 151,696 | $4,889,163 | $2,953,521 | -$1,935,642 | -39.59% | |
| Vanguard Portfolio Management Llc | 0.00% | 145,220 | $4,680,441 | $2,827,433 | -$1,853,008 | -39.59% | |
| Vanguard Fiduciary Trust Co | 0.00% | 133,834 | $4,313,470 | $2,605,748 | -$1,707,722 | -39.59% | |
| Td Asset Management Inc | 0.00% | 105,902 | $3,413,221 | $2,061,912 | -$1,351,309 | -39.59% | |
| Soros Fund Management Llc | 0.04% | 100,000 | $3,223,000 | $1,947,000 | -$1,276,000 | -39.59% | |
| Woodline Partners Lp | 0.01% | 100,000 | $3,223,000 | $1,947,000 | -$1,276,000 | -39.59% | |
| Ubs Group Ag | 0.00% | 99,960 | $3,221,711 | $1,946,221 | -$1,275,490 | -39.59% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 95,400 | $3,074,742 | $1,857,438 | -$1,217,304 | -39.59% |
| Bank Of America Corp | 0.00% | 72,835 | $2,347,472 | $1,418,097 | -$929,375 | -39.59% | |
| Polen Capital Management | David M. Polen | 0.02% | 63,514 | $2,047,056 | $1,236,618 | -$810,438 | -39.59% |
| Morgan Stanley | 0.00% | 62,636 | $2,018,758 | $1,219,523 | -$799,235 | -39.59% | |
| Tidal Investments Llc | 0.00% | 57,059 | $1,839,012 | $1,110,939 | -$728,073 | -39.59% | |
| Raymond James Financial Inc | 0.00% | 50,464 | $1,626,455 | $982,534 | -$643,921 | -39.59% | |
| Nuveen, Llc | 0.00% | 49,816 | $1,605,569 | $969,918 | -$635,651 | -39.59% | |
| Bank Of New York Mellon Corp | 0.00% | 49,250 | $1,587,324 | $958,898 | -$628,427 | -39.59% | |
| Aqr Capital Management Llc | 0.00% | 48,123 | $1,551,005 | $936,955 | -$614,050 | -39.59% | |
| Manufacturers Life Insurance Company, The | 0.00% | 48,044 | $1,548,458 | $935,417 | -$613,041 | -39.59% | |
| Quantinno Capital Management Lp | 0.00% | 46,887 | $1,511,168 | $912,890 | -$598,278 | -39.59% | |
| Great Lakes Advisors, Llc | 0.01% | 43,612 | $1,405,615 | $849,126 | -$556,489 | -39.59% | |
| Mirador Capital Partners Lp | 0.16% | 40,124 | $1,293,197 | $781,214 | -$511,983 | -39.59% | |
| Squarepoint Ops Llc | 0.00% | 38,381 | $1,237,020 | $747,278 | -$489,742 | -39.59% | |
| Jump Financial, Llc | 0.01% | 32,779 | $1,056,467 | $638,207 | -$418,260 | -39.59% | |
| Sofinnova Investments, Inc. | 0.06% | 32,436 | $1,045,412 | $631,529 | -$413,883 | -39.59% | |
| Two Sigma Investments, Lp | 0.00% | 30,914 | $996,358 | $601,896 | -$394,462 | -39.59% | |
| Readystate Asset Management Lp | 0.04% | 30,000 | $966,900 | $584,100 | -$382,800 | -39.59% |
Frequently asked questions about AKTS
Who are the largest institutional holders of AKTS?
The largest institutional holders of AKTS reported in the latest SEC Form 13F filings include Mpm Bioimpact Llc, Ecor1 Capital, Llc, Blue Owl Capital Holdings Lp, Blackrock, Inc., and T. Rowe Price Investment Management, Inc.. InsiderSet ranks institutional holders by their latest reported AKTS position.
What is AKTS institutional ownership?
This page tracks AKTS positions reported by institutional investment managers through SEC Form 13F. AKTIS ONCOLOGY INC (AKTS) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own AKTS?
InsiderSet currently tracks 112 institutional managers reporting AKTS holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of AKTS shareholders.
How much AKTS stock do institutions own?
Institutional investment managers disclosed approximately $1.08B in AKTS holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was AKTS institutional ownership last updated?
The latest AKTS institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional AKTS holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its AKTS position after the reporting date.
Are institutions buying or selling AKTS?
Institutional buying and selling can be analyzed by comparing AKTS positions across consecutive 13F reporting periods. InsiderSet's AKTS Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View AKTS ownership changes.
How has AKTS institutional ownership changed over time?
InsiderSet tracks AKTS institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.