Latest Institutional Transactions on Syndax Pharmaceuticals Inc (SNDX)
This table provides information on the latest institutional transactions involving Syndax Pharmaceuticals Inc (SNDX) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 21, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
349K+ 18185.42% |
$3.11M - $4.94M
|
351K
$5.84M
|
|
|
Aug 14, 2025
Q2 2025
|
Sofinnova Investments, Inc.
Menlo Park, CA |
SELL
|
- |
-751K- 33.0% |
$6.68M - $10.6M
|
1.52M
$25.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Cibc World Markets Corp
New York, NY |
SELL
|
- |
-7.73K- 42.42% |
$68.8K - $109K
|
10.5K
$174K
|
|
|
Aug 14, 2025
Q2 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
7.14KNew |
$63.6K - $101K
|
7.14K
$119K
|
|
|
Aug 14, 2025
Q2 2025
|
Nantahala Capital Management, LLC
New Canaan, CT |
BUY
|
- |
200K+ 36.07% |
$1.78M - $2.83M
|
755K
$12.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Polar Asset Management Partners Inc.
Toronto, A6 |
SELL
|
- |
-9.52K- 8.92% |
$84.7K - $135K
|
97.1K
$1.61M
|
|
|
Aug 14, 2025
Q2 2025
|
Adar1 Capital Management, LLC
Austin, TX |
BUY
|
- |
10KNew |
$89K - $142K
|
10K
$166K
|
|
|
Aug 14, 2025
Q2 2025
|
Balyasny Asset Management LLC
Chicago, IL |
SELL
|
- |
-1.69M- 93.06% |
$15M - $23.9M
|
126K
$2.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Oconnor LLC
Chicago, IL |
BUY
|
- |
31K+ 52.16% |
$276K - $439K
|
90.4K
$1.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Drw Securities, LLC
Chicago, IL |
BUY
|
- |
14.1KNew |
$126K - $200K
|
14.1K
$235K
|
|
|
Aug 14, 2025
Q2 2025
|
Nebula Research & Development LLC
New York, NY |
SELL
|
- |
-45.3K- 62.47% |
$403K - $641K
|
27.2K
$453K
|
|
|
Aug 14, 2025
Q2 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
12.1KNew |
$108K - $171K
|
12.1K
$201K
|
|
|
Aug 14, 2025
Q2 2025
|
Casdin Capital, LLC
New York, NY |
BUY
|
- |
15K+ 2.36% |
$134K - $212K
|
650K
$10.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
- |
323K+ 177.33% |
$2.87M - $4.56M
|
504K
$8.38M
|
|
|
Aug 14, 2025
Q2 2025
|
E Fund Management Co., Ltd.
Guangzhou, F4 |
SELL
|
- |
-2K- 12.46% |
$17.8K - $28.3K
|
14K
$233K
|
|
|
Aug 14, 2025
Q2 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
SELL
|
- |
-13.5K- 65.24% |
$120K - $191K
|
7.18K
$119K
|
|
|
Aug 14, 2025
Q2 2025
|
Freestone Grove Partners LP
San Francisco, CA |
SELL
|
- |
-1.51K- 8.88% |
$13.4K - $21.3K
|
15.5K
$257K
|
|
|
Aug 14, 2025
Q2 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
11KNew |
$97.6K - $155K
|
11K
$182K
|
|
|
Aug 14, 2025
Q2 2025
|
Skopos Labs, Inc.
Riverhead, NY |
BUY
|
- |
249+ 2263.64% |
$2.22K - $3.52K
|
260
$4.32K
|
|
|
Aug 14, 2025
Q2 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
BUY
|
- |
23.5KNew |
$209K - $333K
|
23.5K
$391K
|
|
|
Aug 14, 2025
Q2 2025
|
Atom Investors LP
Austin, TX |
SELL
|
- |
-44.2K- 77.12% |
$393K - $625K
|
13.1K
$218K
|
|
|
Aug 14, 2025
Q2 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
121K+ 308.9% |
$1.08M - $1.71M
|
160K
$2.66M
|
|
|
Aug 14, 2025
Q2 2025
|
Avidity Partners Management LP
Dallas, TX |
SELL
|
CALL |
-60K- 15.0% |
$534K - $849K
|
340K
$5.65M
|
|
|
Aug 14, 2025
Q2 2025
|
Avidity Partners Management LP
Dallas, TX |
SELL
|
- |
-775K- 83.78% |
$6.9M - $11M
|
150K
$2.49M
|
|
|
Aug 13, 2025
Q2 2025
|
Rhenman & Partners Asset Management Ab
Stockholm, V7 |
BUY
|
- |
141K+ 32.56% |
$1.25M - $2M
|
574K
$9.54M
|
|
|
Aug 13, 2025
Q2 2025
|
Aisling Capital Management LP
New York, NY |
BUY
|
- |
292K+ 28.47% |
$2.6M - $4.13M
|
1.32M
$21.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
BUY
|
- |
12.4KNew |
$110K - $175K
|
12.4K
$205K
|
|
|
Aug 13, 2025
Q2 2025
|
Jones Financial Companies Lllp
|
BUY
|
- |
275New |
$2.45K - $3.89K
|
275
$4.57K
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
- |
1.94KNew |
$17.3K - $27.5K
|
1.94K
$32.2K
|
|
|
Aug 13, 2025
Q2 2025
|
Saturn V Capital Management LLC
Austin, TX |
SELL
|
- |
-541K- 51.93% |
$4.81M - $7.65M
|
501K
$8.32M
|
|
|
Aug 13, 2025
Q2 2025
|
Optimize Financial Inc
Laguna Hills, CA |
SELL
|
- |
-86- 0.7% |
$765 - $1.22K
|
12.1K
$202K
|
|
|
Aug 13, 2025
Q2 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
SELL
|
- |
-95K- 38.0% |
$846K - $1.34M
|
155K
$2.58M
|
|
|
Aug 12, 2025
Q2 2025
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
PUT |
50.1KNew |
$446K - $709K
|
50.1K
$833K
|
|
|
Aug 12, 2025
Q2 2025
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
Aug 11, 2025
Q2 2025
|
Principal Securities, Inc.
Des Moines, IA |
BUY
|
- |
400New |
$3.56K - $5.66K
|
400
$6.65K
|
|
|
Aug 11, 2025
Q2 2025
|
Brown Brothers Harriman & CO
New York, NY |
BUY
|
- |
128New |
$1.14K - $1.81K
|
128
$2.13K
|
|
|
Aug 07, 2025
Q2 2025
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
BUY
|
- |
7.28K+ 54.91% |
$64.8K - $103K
|
20.5K
$341K
|
|
|
Aug 07, 2025
Q2 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
46.8KNew |
$417K - $663K
|
46.8K
$778K
|
|
|
Aug 05, 2025
Q2 2025
|
Simplex Trading, LLC
|
BUY
|
- |
18.3K+ 1102.23% |
$163K - $258K
|
19.9K
$331K
|
|
|
Aug 05, 2025
Q2 2025
|
Bryce Point Capital, LLC
Scarsdale, NY |
BUY
|
- |
21.1KNew |
$188K - $299K
|
21.1K
$351K
|
|
|
Jul 30, 2025
Q2 2025
|
Avion Wealth
The Woodlands, TX |
BUY
|
- |
100New |
$890 - $1.42K
|
100
$1.66K
|
|
|
Jul 16, 2025
Q2 2025
|
Signaturefd, LLC
Atlanta, GA |
SELL
|
- |
-1.32K- 94.76% |
$11.8K - $18.7K
|
73
$1.21K
|
|
|
Jul 15, 2025
Q2 2025
|
Td Private Client Wealth LLC
New York, NY |
BUY
|
- |
54New |
$481 - $764
|
54
$897
|
|
|
Jul 08, 2025
Q2 2025
|
Massmutual Trust CO Fsb
|
BUY
|
- |
25+ 54.35% |
$223 - $354
|
71
$1.18K
|
|
|
Jul 07, 2025
Q2 2025
|
Parallel Advisors, LLC
|
SELL
|
- |
-236- 71.08% |
$2.1K - $3.34K
|
96
$1.6K
|
|
| Q1 2025 | |||||||
|
May 21, 2025
Q1 2025
|
Geneos Wealth Management Inc.
|
SELL
|
- |
-75- 50.0% |
$922 - $1.23K
|
75
$1.25K
|
|
|
May 16, 2025
Q1 2025
|
Octagon Capital Advisors LP
New York, NY |
SELL
|
- |
-26.4M- 96.69% |
$325M - $433M
|
904K
$15M
|
|
|
May 15, 2025
Q1 2025
|
Magnetar Financial LLC
Evanston, IL |
BUY
|
- |
10.7KNew |
$132K - $176K
|
10.7K
$178K
|
|
|
May 15, 2025
Q1 2025
|
Wpg Advisers, LLC
Baltimore, MD |
BUY
|
- |
11New |
$135 - $180
|
11
$183
|
|
|
May 15, 2025
Q1 2025
|
Aster Capital Management (Difc) LTD
Dubai, C0 |
BUY
|
- |
167New |
$2.05K - $2.74K
|
167
$2.78K
|
|