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 |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Parkman Healthcare Partners LLC
Stamford, CT |
BUY
|
- |
273K+ 45.85% |
$2.43M - $3.86M
|
868K
$11.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Optiver Holding B.V.
Amsterdam, P7 |
BUY
|
- |
240+ 88.56% |
$2.14K - $3.4K
|
511
$6.84K
|
|
|
Aug 14, 2025
Q2 2025
|
Drw Securities, LLC
Chicago, IL |
BUY
|
- |
14.1KNew |
$126K - $200K
|
14.1K
$189K
|
|
|
Aug 14, 2025
Q2 2025
|
Nebula Research & Development LLC
New York, NY |
SELL
|
- |
-45.3K- 62.47% |
$403K - $641K
|
27.2K
$365K
|
|
|
Aug 14, 2025
Q2 2025
|
Granahan Investment Management, LLC
Waltham, MA |
BUY
|
- |
441K+ 80.27% |
$3.93M - $6.25M
|
991K
$13.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
BUY
|
- |
801K+ 126.78% |
$7.13M - $11.3M
|
1.43M
$19.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Rafferty Asset Management, LLC
New York, NY |
SELL
|
- |
-45.5K- 26.52% |
$405K - $644K
|
126K
$1.69M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
193K+ 77.32% |
$1.72M - $2.74M
|
443K
$5.94M
|
|
|
Aug 14, 2025
Q2 2025
|
Prosight Management, LP
Dallas, TX |
BUY
|
- |
470K+ 77.21% |
$4.19M - $6.66M
|
1.08M
$14.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
- |
-280K- 16.34% |
$2.5M - $3.97M
|
1.44M
$19.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
831K+ 99.55% |
$7.4M - $11.8M
|
1.67M
$22.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Oconnor LLC
Chicago, IL |
BUY
|
- |
31K+ 52.16% |
$276K - $439K
|
90.4K
$1.21M
|
|
|
Aug 14, 2025
Q2 2025
|
Prelude Capital Management, LLC
New York, NY |
SELL
|
- |
-1.88K- 2.05% |
$16.8K - $26.7K
|
89.8K
$1.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Ieq Capital, LLC
|
SELL
|
- |
-46.1K- 77.77% |
$410K - $652K
|
13.2K
$176K
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
111K+ 259.42% |
$992K - $1.58M
|
154K
$2.07M
|
|
|
Aug 14, 2025
Q2 2025
|
Stem Point Capital LP
New York, NY |
BUY
|
- |
774K+ 48.42% |
$6.89M - $11M
|
2.37M
$31.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-1.88K- 5.22% |
$16.7K - $26.6K
|
34.1K
$456K
|
|
|
Aug 14, 2025
Q2 2025
|
Sei Investments CO
Oaks, PA |
SELL
|
- |
-11.4K- 45.73% |
$102K - $162K
|
13.6K
$181K
|
|
|
Aug 14, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
37.3KNew |
$332K - $527K
|
37.3K
$499K
|
|
|
Aug 14, 2025
Q2 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
52.8K+ 41.74% |
$470K - $747K
|
179K
$2.4M
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
77K+ 120.12% |
$685K - $1.09M
|
141K
$1.89M
|
|
|
Aug 14, 2025
Q2 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
SELL
|
- |
-111K- 22.0% |
$985K - $1.57M
|
392K
$5.25M
|
|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-529K- 13.32% |
$4.71M - $7.49M
|
3.44M
$46.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
12.1KNew |
$108K - $171K
|
12.1K
$162K
|
|
|
Aug 14, 2025
Q2 2025
|
Zimmer Partners, LP
New York, NY |
BUY
|
- |
393K+ 184.2% |
$3.49M - $5.56M
|
606K
$8.11M
|
|
|
Aug 14, 2025
Q2 2025
|
Twinbeech Capital LP
Purchase, NY |
SELL
|
- |
-143K- 55.91% |
$1.27M - $2.02M
|
113K
$1.51M
|
|
|
Aug 14, 2025
Q2 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
SELL
|
- |
-13.9K- 20.8% |
$124K - $197K
|
53.1K
$710K
|
|
|
Aug 14, 2025
Q2 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
218K+ 470.63% |
$1.94M - $3.09M
|
265K
$3.54M
|
|
|
Aug 14, 2025
Q2 2025
|
Sphera Funds Management Ltd.
Tel Aviv, L3 |
SELL
|
- |
-92.4K- 5.55% |
$822K - $1.31M
|
1.57M
$21M
|
|
|
Aug 14, 2025
Q2 2025
|
Kingdon Capital Management, L.L.C.
New York, NY |
BUY
|
- |
100K+ 5.0% |
$890K - $1.42M
|
2.1M
$28.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
BUY
|
- |
23.5KNew |
$209K - $333K
|
23.5K
$315K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
34.3K+ 173.23% |
$305K - $485K
|
54.1K
$724K
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-2.27M- 78.04% |
$20.2M - $32.2M
|
640K
$8.57M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
75.3K+ 81.63% |
$670K - $1.07M
|
167K
$2.24M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
13.6K+ 66.02% |
$121K - $192K
|
34.2K
$458K
|
|
|
Aug 14, 2025
Q2 2025
|
Skopos Labs, Inc.
Riverhead, NY |
BUY
|
- |
249+ 2263.64% |
$2.22K - $3.52K
|
260
$3.48K
|
|
|
Aug 14, 2025
Q2 2025
|
Soleus Capital Management, L.P.
Greenwich, CT |
BUY
|
- |
276K+ 33.74% |
$2.45M - $3.9M
|
1.09M
$14.6M
|
|
|
Aug 14, 2025
Q2 2025
|
E Fund Management Co., Ltd.
Guangzhou, F4 |
SELL
|
- |
-2K- 12.46% |
$17.8K - $28.3K
|
14K
$188K
|
|
|
Aug 14, 2025
Q2 2025
|
Tower Research Capital LLC (Trc)
New York, NY |
BUY
|
- |
4.31K+ 103.26% |
$38.3K - $61K
|
8.48K
$114K
|
|
|
Aug 14, 2025
Q2 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
SELL
|
- |
-13.5K- 65.24% |
$120K - $191K
|
7.18K
$96.2K
|
|
|
Aug 14, 2025
Q2 2025
|
Summit Tx Capital, L.P.
Fort Worth, TX |
BUY
|
- |
47K+ 28.62% |
$418K - $665K
|
211K
$2.83M
|
|
|
Aug 14, 2025
Q2 2025
|
Freestone Grove Partners LP
San Francisco, CA |
SELL
|
- |
-1.51K- 8.88% |
$13.4K - $21.3K
|
15.5K
$207K
|
|
|
Aug 14, 2025
Q2 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
11KNew |
$97.6K - $155K
|
11K
$147K
|
|
|
Aug 14, 2025
Q2 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-4K- 7.03% |
$35.6K - $56.6K
|
52.8K
$708K
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 (Difc) LTD
Dubai, C0 |
BUY
|
- |
4.33KNew |
$38.5K - $61.2K
|
4.33K
$57.9K
|
|
|
Aug 14, 2025
Q2 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
SELL
|
- |
-32.1K- 53.22% |
$286K - $454K
|
28.2K
$378K
|
|
|
Aug 14, 2025
Q2 2025
|
Atom Investors LP
Austin, TX |
SELL
|
- |
-44.2K- 77.12% |
$393K - $625K
|
13.1K
$175K
|
|
|
Aug 14, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
349K+ 18185.42% |
$3.11M - $4.94M
|
351K
$4.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
1.17M+ 272.94% |
$10.4M - $16.6M
|
1.6M
$21.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Sofinnova Investments, Inc.
Menlo Park, CA |
SELL
|
- |
-751K- 33.0% |
$6.68M - $10.6M
|
1.52M
$20.4M
|