Outlook Therapeutics OTLK Institutional Ownership

NASDAQ OTLK

$0.56 +0.04 (+7.94%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

70 Institutions

Increased 52 74.3%

Unchanged 11 15.7%

Reduced 7 10.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

10.83%

▲+0.58 pp QoQ

Shares Held by Institutions

20.26Mn

of 187.10Mn outstanding

▲+88.91% QoQ

Shares Outstanding

187.10Mn

166.83Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+16 vs prior quarter

Net Shares Added (QoQ)

+9.54Mn

accumulated since last quarter

Value of Holdings

$10.54Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Outlook Therapeutics, Inc. (NASDAQ:OTLK) appeared in the 13F filings of 70 institutional investors for the quarter ended June 30, 2026.

Collectively, these holders controlled 10.83% of Outlook Therapeutics' outstanding shares in Q2 2026, up from 10.25% in Q1 2026.
Total holdings of OTLK shares rose 88.91% from Q1 2026, and the holder count rose 9.38% from Q2 2025.
Of the 70 holders of OTLK in Q2 2026, 52 added to their positions, 7 reduced their stakes and 11 left their positions unchanged.
In total, institutional investors held 20.26Mn shares of Outlook Therapeutics at the end of Q2 2026, up 9.54Mn from the prior quarter and up 14.71Mn from a year earlier.
As of June 30, 2026, the biggest holder of Outlook Therapeutics was Vanguard Capital Management LLC with 4.38Mn shares, or 2.34% of shares outstanding.
Among holders that already owned Outlook Therapeutics, the biggest buyers in Q2 2026 were Vanguard Capital Management LLC (+2.41Mn shares), BlackRock, Inc. (+1.19Mn shares), Susquehanna International Group, LLP (+834.11K shares), HRT Financial LP (+717.14K shares) and Geode Capital Management, LLC (+642.26K shares).
The largest position reductions in OTLK for Q2 2026 were by Gilpin Wealth Management, LLC (-45.16K shares), Vanguard Personalized Indexing Management, LLC (-7.37K shares), Oppenheimer & Co Inc (-1.5K shares), Federation des caisses Desjardins du Quebec (-1.29K shares) and Fortitude Family Office, LLC (-1.12K shares).
Outlook Therapeutics' 10 largest institutional shareholders as of Q2 2026 were Vanguard Capital Management LLC (4.38Mn shares), Perceptive Advisors LLC (3.14Mn shares), Marshall Wace, LLP (1.99Mn shares), BlackRock, Inc. (1.67Mn shares), Jane Street Group, LLC (1.43Mn shares), Geode Capital Management, LLC (1.25Mn shares), Susquehanna International Group, LLP (968.19K shares), HRT Financial LP (784.9K shares), Vanguard Fiduciary Trust Co (661.66K shares) and Gilpin Wealth Management, LLC (555K shares), per Business Quant data.

Form 13F Holdings

70 Institutional Holders

Report period 30 Jun, 2026

Total shares held 20.26Mn

Of outstanding 10.83%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,376,872	2.34%	▲2,409,712	+122.50%	$6.96Mn
2	PERCEPTIVE ADVISORS LLC	0001224962	3,139,216	1.68%	▲3,139,216	0.00%	$4.99Mn
3	MARSHALL WACE, LLP	0001318757	1,987,578	1.06%	▲1,987,578	0.00%	$3.16Mn
4	BlackRock, Inc.	0002012383	1,668,579	0.89%	▲1,191,108	+249.46%	$2.65Mn
5	JANE STREET GROUP, LLC	0001595888	1,425,270	0.76%	▲1,425,270	0.00%	$2.27Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,245,868	0.67%	▲642,262	+106.40%	$1.98Mn
7	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	968,190	0.52%	▲834,106	+622.08%	$1.54Mn
8	HRT FINANCIAL LP	0001475597	784,904	0.42%	▲717,145	+1,058.38%	$1.25K
9	VANGUARD FIDUCIARY TRUST CO	0000933478	661,664	0.35%	▲485,135	+274.82%	$1.05Mn
10	GILPIN WEALTH MANAGEMENT, LLC	0002058144	555,000	0.30%	▼45,162	-7.52%	$882.45K
11	State Street Corp	0000093751	539,802	0.29%	▲376,700	+230.96%	$858.29K
12	Sanctuary Advisors, LLC	0001777271	344,529	0.18%	▲344,529	0.00%	$547.80K
13	Raymond James Financial Inc	0000720005	332,051	0.18%	▲305,000	+1,127.50%	$527.96K
14	GROUP ONE TRADING LLC	0000932540	246,428	0.13%	▲132,727	+116.73%	$391.82K
15	Northern Trust Corp	0000073124	237,561	0.13%	▲170,171	+252.52%	$377.72K
16	CANTOR FITZGERALD, L. P.	0001024896	225,000	0.12%	▲225,000	0.00%	$357.75K
17	SIMPLEX TRADING, LLC	0001488542	205,013	0.11%	▲72,347	+54.53%	$325.97K
18	LPL Financial LLC	0001403438	184,942	0.10%	▲151,315	+449.98%	$294.06K
19	UBS Group AG	0001610520	152,215	0.08%	▲19,146	+14.39%	$242.02K
20	DEUTSCHE BANK AG\	0000948046	130,700	0.07%	▲130,700	0.00%	$207.81K

Showing 1 to 20 of 70 holders