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Olema Pharmaceuticals OLMA

US equityMarket cap rank #3516

$7.94 +$0.02 (+0.25%)

Pre-market · Oct 8, 7:40 am ET · After hours $7.84 -1.32%

Open$7.90

Prev close$7.92

Day range$7.79 – $8.23

Volume819.5K

Market cap$694.73M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership118.4%-2.79 pts vs. prior quarter

Institutions holding224-2 vs. prior quarter

Insider trades (recent)23 buys / 25 sellsNet selling

Short interest18.36% of floatDays to cover 15.9 · as of 15 Sep 2026

Short-sale volume share19.4%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$4.94M (8 inflow days, 12 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 47.7% of shares outstanding.

Largest holders

FMR13.88%
Paradigm Biocapital Advisors LP9.91%
Janus Henderson Group plc8.11%
Bain Capital Life Sciences Investors, LLC8.10%
BlackRock7.67%
BVF Partners L.P.6.05%
Artal Group S.A.5.55%
State Street Global Advisors4.93%

By investor type

Mutual Fund59.26%
Hedge Fund34.40%
VC/PE Fund17.68%
Public Company4.74%
Individual/Insider2.68%
Family Office/Trust1.15%
Private Company0.59%
Government Pension Fund0.36%

Reported short interest has risen from 16.07% to 18.36% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
FMR	Mutual Fund	2026/Q3	+1,756,257	13.9%
Deep Track Capital, LP	VC/PE Fund	2026/Q3	+1,500,000	1.7%
Franklin Resources	Mutual Fund	2026/Q3	+1,130,857	2.7%
Vanguard Portfolio Management, LLC	Mutual Fund	2026/Q3	+1,070,187	1.9%
BlackRock	Mutual Fund	2026/Q3	+1,062,556	7.7%
Point72 Asset Management, L.P.	Hedge Fund	2026/Q3	+999,842	1.2%
Columbia Management Investment Advisers, LLC	Mutual Fund	2026/Q3	+783,284	1.0%
Morgan Stanley	Public Company	2026/Q3	+714,822	2.1%
Paradigm Biocapital Advisors LP	Hedge Fund	2026/Q3	+650,000	9.9%
Readystate Asset Management LP	Hedge Fund	2026/Q3	+593,829	0.7%
Jones Hill Capital LP	Hedge Fund	2026/Q3	+574,166	0.7%
The Goldman Sachs Group, Inc.	Public Company	2026/Q3	+566,117	1.6%
Hudson Bay Capital Management LP	Hedge Fund	2026/Q3	+411,630	0.6%
State Street Global Advisors	Mutual Fund	2026/Q3	+378,227	4.9%
Qube Research & Technologies Ltd	Mutual Fund	2026/Q3	+350,507	0.8%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
31 Aug 2026	Jason O'Byrne		Other Derivative Acquisition	+650,000	$10.56	650,000
23 Jul 2026	Cyrus Harmon	Director	Intent to Sell (Form 144)	-12,500	$11.71	–
23 Jul 2026	Cyrus Harmon	Director	Open Market Disposition	-25,000	$11.71	819,798
22 Jul 2026	Cyrus Harmon	Director	Intent to Sell (Form 144)	-12,500	$11.58	–
17 Jun 2026	Andrew Rappaport	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Cynthia Butitta	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Ian T. Clark	Independent Chairperson of the Board	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	BVF Partners L.P.		Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Sandra Horning	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Scott Garland	Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Graham L. Walmsley	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Yi Larson	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Prakash Raman	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Gorjan Hrustanovic	Independent Director	Other Derivative Acquisition	+29,500	$9.51	29,500
17 Jun 2026	Cyrus Harmon	Director	Other Derivative Acquisition	+29,500	$9.51	29,500
27 Apr 2026	Prakash Raman	Independent Director	Other Derivative Acquisition	+27,061	$14.59	24,150
15 Mar 2026	Shane William Kovacs	Chief Operating & Financial Officer	Intent to Sell (Form 144)	-100,000	$16.08	–
15 Mar 2026	Shane William Kovacs	Chief Operating & Financial Officer	Intent to Sell (Form 144)	-4,166	$16.61	–
10 Mar 2026	Shane William Kovacs	Chief Operating & Financial Officer	Intent to Sell (Form 144)	-50,000	$15.94	–
9 Mar 2026	Shane William Kovacs	Chief Operating & Financial Officer	Intent to Sell (Form 144)	-53,206	$17.00	–

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	16,068,469	18.4%	15.9
31 Aug 2026	15,663,548	17.9%	18.5
14 Aug 2026	15,808,921	18.1%	14.3
31 Jul 2026	15,963,215	18.3%	18.2
15 Jul 2026	15,101,848	17.3%	11.3
30 Jun 2026	14,033,964	16.1%	5.7

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