SNDX

Syndax Pharmaceuticals Inc$22.71 3.44%
Health CareUSCUSIP 87164F105· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
194
+10 QoQ
13F Value (tracked)
$2.1B
Insider Net · 180d
-$2.7M
0↑ 3↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)41 adding · 19 trimming
Insider net (180d)-$2.7M

Price & smart-money activity

$22.71 3.44%5Y +48.3%
$7.38$13.07$18.75$24.43$30.12202120222023202420252026181522191822416212430331533717362840261934334929422845305032394644736451416645353594664955
Hover for who · click for detailEnd-of-day closing prices52w $9.25 – $25.15
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Ask your agent what changed in SNDX

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/SNDX/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for SNDX.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

194 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$192.8M
8.3M
+0.2%
Added · +15K sh
Q1 2026
2Kynam Capital Management, LP
$188.1M
8.1M
Held
Q1 2026
3GOLDMAN SACHS GROUP INC
$116.7M
5.0M
−12%
Reduced · −699K sh
Q1 2026
4STATE STREET CORP
$103.5M
4.4M
−3.6%
Reduced · −166K sh
Q1 2026
5BANK OF AMERICA CORP /DE/
$99.3M
4.2M
−9.8%
Reduced · −461K sh
Q1 2026
6VANGUARD CAPITAL MANAGEMENT LLC
$89.3M
3.8M
New
+3.8M sh
Q1 2026
7DEERFIELD MANAGEMENT COMPANY, L.P.
$88.3M
3.8M
New
+3.8M sh
Q1 2026
8Eversept Partners, LP
$67.4M
2.9M
−13%
Reduced · −429K sh
Q1 2026
9KINGDON CAPITAL MANAGEMENT, L.L.C.
$58.4M
2.5M
+6.4%
Added · +150K sh
Q1 2026
10Hood River Capital Management LLC
$55.0M
2.4M
+1.6%
Added · +38K sh
Q1 2026
11GEODE CAPITAL MANAGEMENT, LLC
$50.4M
2.2M
+3.2%
Added · +66K sh
Q1 2026
12FRANKLIN RESOURCES INC
$50.2M
2.2M
−11%
Reduced · −272K sh
Q1 2026
13Point72 Asset Management, L.P.
$46.4M
2.0M
−59%
Reduced · −2.9M sh
Q1 2026
14VANGUARD PORTFOLIO MANAGEMENT LLC
$40.6M
1.7M
New
+1.7M sh
Q1 2026
15BNP Paribas Asset Management Holding S.A.
$40.5M
1.7M
+26%
Added · +357K sh
Q1 2026
16Soleus Capital Management, L.P.
$40.3M
1.7M
−23%
Reduced · −520K sh
Q1 2026
17D. E. Shaw & Co., Inc.
$37.4M
1.6M
+31%
Added · +382K sh
Q1 2026
18TWO SIGMA INVESTMENTS, LP
$36.9M
1.6M
+38%
Added · +433K sh
Q1 2026
19Nuveen, LLC
$34.9M
1.5M
+0.8%
Added · +12K sh
Q1 2026
20MPM BioImpact LLC
$31.3M
1.3M
+0.2%
Added · +3K sh
Q1 2026
21Woodline Partners LP
$29.2M
1.3M
~0%
Added · +92 sh
Q1 2026
22STEMPOINT CAPITAL LP
$28.4M
1.2M
−9.2%
Reduced · −124K sh
Q1 2026
23UBS Group AG
$26.9M
1.2M
+61%
Added · +437K sh
Q1 2026
24Catalio Capital Management, LP
$24.4M
1.0M
−13%
Reduced · −153K sh
Q1 2026
25Bank of New York Mellon Corp
$23.5M
1.0M
−8.2%
Reduced · −90K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
7
funds
Added
34
funds
Reduced
19
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$2.7M
3 insiders
Net
-$2.7M
9 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 8, 2026Metzger Michael AChief Executive Officer, DirectorOption exercise (M)32K$207K
Jul 8, 2026Metzger Michael AChief Executive Officer, DirectorSell (S)32K$785K
Jul 8, 2026Metzger Michael AChief Executive Officer, DirectorOption exercise (M)32K$0
Jun 12, 2026Botwood Nicholas A.J.Head of R&D, CMOOption exercise (M)31K$432K
Jun 12, 2026Botwood Nicholas A.J.Head of R&D, CMOSell (S)31K$567K
Jun 12, 2026Botwood Nicholas A.J.Head of R&D, CMOOption exercise (M)31K$0
Jun 11, 2026Botwood Nicholas A.J.Head of R&D, CMOOption exercise (M)23K$311K
Jun 11, 2026Botwood Nicholas A.J.Head of R&D, CMOSell (S)34K$617K
Jun 11, 2026Botwood Nicholas A.J.Head of R&D, CMOOption exercise (M)23K$0
Jun 1, 2026Goldan Keith A.Chief Financial OfficerSell (S)1K$22K
Jun 1, 2026Metzger Michael AChief Executive Officer, DirectorSell (S)7K$130K
Feb 9, 2026Goldan Keith A.Chief Financial OfficerSell (S)3K$72K

Institutional ownership over time

193 funds+51 since Q3 2024
097193Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $2.1B

Funds that own SNDX also own

CompanyCo-held byCombined value
ELI LILLY & COLLY72 funds$9.0B
BOSTON SCIENTIFIC CORPBSX72 funds$2.4B
INTUITIVE SURGICAL INCISRG71 funds$2.9B
GILEAD SCIENCES INCGILD69 funds$2.8B
STRYKER CORPSYK69 funds$1.3B
MICRON TECHNOLOGY INCMU68 funds$8.2B
NEUROCRINE BIOSCIENCES INCNBIX68 funds$722.3M
MICROSOFT CORPMSFT67 funds$32.6B
BROADCOM INCAVGO67 funds$19.1B
COSTCO WHOLESALE CORPCOST67 funds$5.7B
PALANTIR TECHNOLOGIES INC-APLTR67 funds$5.2B
LAM RESEARCH CORPLRCX67 funds$4.4B

Ranked by how many of SNDX's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SNDX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.