MARKER THERAPEUTICS INC (MRKR) Institutional Ownership Changes & 13F Activity
MARKER THERAPEUTICS INC (MRKR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Renaissance Technologies LLC, Concurrent Investment Advisors, Llc, Susquehanna International Group, Llp, Vanguard Capital Management Llc, and Citadel Advisors Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +32,517 | — | 32,517 | $47.80K | Q2 2026 | Sep 02, 2026 |
| Osaic Holdings, Inc. | Buy | +19,528 | +21.0% | 112,649 | $165.59K | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -19,471 | -53.6% | 16,832 | $24.74K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -18,210 | -28.6% | 45,357 | $66.67K | Q2 2026 | Aug 14, 2026 |
| Invst, Llc | Sell | -11,000 | -37.9% | 18,000 | $26.46K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -800 | -1.3% | 60,201 | $88.50K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +63 | — | 63 | $93.00 | Q2 2026 | Aug 14, 2026 |
| Renaissance Technologies LLC | Buy | +74,129 | +42.3% | 249,423 | $366.65K | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Buy | +36,850 | +9.5% | 426,169 | $626.47K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -24,219 | -74.8% | 8,150 | $11.98K | Q2 2026 | Aug 13, 2026 |
| Virtu Financial Llc | Buy | +11,574 | — | 11,574 | $17.00K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +8,620 | +33.1% | 34,629 | $50.91K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -21,094 | -13.1% | 139,816 | $205.56K | Q2 2026 | Aug 12, 2026 |
| Jpmorgan Chase & Co | Buy | +23 | — | 23 | $34.00 | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -2,327 | -74.2% | 810 | $1.19K | Q2 2026 | Aug 11, 2026 |
| Lpl Financial Llc | Buy | +100 | +0.1% | 83,147 | $122.23K | Q2 2026 | Aug 07, 2026 |
| Caitong International Asset Management Co., Ltd | Buy | +6 | +200.0% | 9 | $13.00 | Q2 2026 | Aug 05, 2026 |
| Concurrent Investment Advisors, Llc | Buy | +67,963 | — | 67,963 | $99.91K | Q2 2026 | Jul 27, 2026 |
| Western Wealth Management, Llc | Sell | -368 | -100.0% | 0 | $0.00 | Q2 2026 | May 19, 2026 |
| Susquehanna International Group, Llp | Sell | -48,780 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Two Sigma Securities, Llc | Sell | -11,460 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Hrt Financial Lp | Sell | -11,852 | -100.0% | 0 | $0.00 | Q2 2026 | May 14, 2026 |
| Creative Planning | Sell | -17,312 | -100.0% | 0 | $0.00 | Q2 2026 | May 12, 2026 |
| Matrix Advisors Value Fund | Sell | -15,000 | -100.0% | 0 | $0.00 | Q2 2026 | Apr 22, 2026 |
Frequently asked questions about MRKR activity
Which institutional owners are buying MRKR?
Institutional owners buying MRKR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MRKR activity?
"Buy" means an investor increased their reported position in MRKR compared to the prior reporting period. This reflects growing exposure to MARKER THERAPEUTICS INC (MRKR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MRKR increasing?
Institutional interest in MRKR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MRKR Institutional Insights
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- MRKR Insider Trading & SEC Form 4 Activity
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