OUTLOOK THERAPEUTICS INC (OTLK) Institutional Ownership Changes & 13F Activity
OUTLOOK THERAPEUTICS INC (OTLK). 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 Perceptive Advisors Llc, Vanguard Capital Management Llc, Marshall Wace, Llp, Jane Street Group, Llc, and Susquehanna International Group, Llp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Buy | +376,700 | +231.0% | 539,802 | $858.28K | Q2 2026 | Sep 22, 2026 |
| Cantor Fitzgerald, L. P. | Buy | +225,000 | — | 225,000 | $357.75K | Q2 2026 | Aug 19, 2026 |
| Jefferies Financial Group Inc. | Buy | +62,500 | — | 62,500 | $99.38K | Q2 2026 | Aug 17, 2026 |
| Perceptive Advisors Llc | Buy | +3,139,216 | — | 3,139,216 | $4.99M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +1,425,270 | — | 1,425,270 | $2.27M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +834,106 | +622.1% | 968,190 | $1.54M | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +717,145 | +1058.4% | 784,904 | $1.25M | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Buy | +305,000 | +1127.5% | 332,051 | $527.96K | Q2 2026 | Aug 14, 2026 |
| Group One Trading Llc | Buy | +132,727 | +116.7% | 246,428 | $391.82K | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +57,839 | — | 57,839 | $91.96K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Securities, Llc | Buy | +14,855 | — | 14,855 | $23.62K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Buy | +4,163 | +57.0% | 11,466 | $18.23K | Q2 2026 | Aug 14, 2026 |
| Federation Des Caisses Desjardins Du Quebec | Sell | -1,287 | -98.1% | 25 | $40.00 | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Sell | -1,070 | -43.1% | 1,410 | $2.24K | Q2 2026 | Aug 14, 2026 |
| Quarry Lp | Buy | +176 | — | 176 | $280.00 | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Buy | +71 | +83.5% | 156 | $0.00 | Q2 2026 | Aug 14, 2026 |
| Vanguard Capital Management Llc | Buy | +2,409,712 | +122.5% | 4,376,872 | $6.96M | Q2 2026 | Aug 13, 2026 |
| Marshall Wace, Llp | Buy | +1,987,578 | — | 1,987,578 | $3.16M | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +485,135 | +274.8% | 661,664 | $1.05M | Q2 2026 | Aug 13, 2026 |
| Sanctuary Advisors, Llc | Buy | +344,529 | — | 344,529 | $547.80K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +170,171 | +252.5% | 237,561 | $377.72K | Q2 2026 | Aug 13, 2026 |
| Vanguard Global Advisers, Llc | Buy | +34,230 | +495.6% | 41,137 | $65.41K | Q2 2026 | Aug 13, 2026 |
| Steward Partners Investment Advisory, Llc | Buy | +29,486 | +210614.3% | 29,500 | $46.91K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Buy | +19,146 | +14.4% | 152,215 | $242.02K | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Buy | +13,150 | +345.5% | 16,956 | $26.96K | Q2 2026 | Aug 13, 2026 |
| Rockefeller Capital Management L.P. | Buy | +6,250 | — | 6,250 | $9.94K | Q2 2026 | Aug 13, 2026 |
| Fmr Llc | Buy | +1 | — | 1 | $2.00 | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Buy | +642,262 | +106.4% | 1,245,868 | $1.98M | Q2 2026 | Aug 12, 2026 |
| Simplex Trading, Llc | Buy | +72,347 | +54.5% | 205,013 | $325.97K | Q2 2026 | Aug 12, 2026 |
| Newedge Advisors, Llc | Buy | +16,722 | — | 16,722 | $26.59K | Q2 2026 | Aug 12, 2026 |
Frequently asked questions about OTLK activity
Which institutional owners are buying OTLK?
Institutional owners buying OTLK 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 OTLK activity?
"Buy" means an investor increased their reported position in OTLK compared to the prior reporting period. This reflects growing exposure to OUTLOOK THERAPEUTICS INC (OTLK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in OTLK increasing?
Institutional interest in OTLK 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.
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