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Security record · archived quarter

SNDX

Syndax Pharmaceuticals, Inc. · Healthcare · Biotechnology

13.40 -1.3% mkt cap $1.20B quote delayed (FMP) · as of Oct 25 03:59 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
97Tracked holders
+6Δ holders
52.14MShares held
$1.22BReported value
+10New positions
−4Exits
Stable Conviction score 43/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +6.6% · share flow -5.7% · net new positions +6.2% · formula
Ownership fragmentation: more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 3 0 62.74K $1.14M n/a n/a
Q2 2026 94 0 57.51M $1.26B +9 −9
Q1 2026 97 +6 52.14M $1.22B +10 −4
Q4 2025 91 -3 57.71M $1.21B n/a −3
Q3 2025 20 +1 39.69M $610.59M +1 n/a
Q2 2025 16 +1 29.55M $276.77M +1 n/a
Q1 2025 12 -1 16.71M $205.25M n/a −1
Q4 2024 13 +1 16.01M $211.65M +1 n/a
Q3 2024 11 -1 14.02M $269.82M n/a −1
Q2 2024 12 n/a 17.35M $356.12M n/a n/a
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 8.25M +0.2% $192.82M 0.0% ▲ Add 4 SEC ↗ ×16
2 Goldman Sachs Group ✦ 5.00M -12.3% $116.72M 0.0% ▼ Trim 3 SEC ↗ ×2
3 State Street Global Advisors ✦ (passive) 4.43M -3.6% $103.49M 0.0% ▼ Trim 6 SEC ↗
4 Bank Of America Corp /De/ 4.25M -9.8% $99.28M 0.0% ▼ Trim 2 SEC ↗ ×4
5 Vanguard Capital Management Llc 3.82M n/a $89.30M 0.0% n/c 1 SEC ↗
6 Geode Capital Management ✦ (passive) 2.16M +3.2% $50.40M 0.0% ▲ Add 8 SEC ↗ ×2
7 Franklin Resources Inc 2.15M -11.2% $50.23M 0.0% ▼ Trim 2 SEC ↗ ×3
8 Point72 Asset Management ✦ 1.99M -59.3% $46.38M 0.1% ▼ Trim 8 SEC ↗
9 BNP Paribas Asset Management… 1.73M +25.9% $40.47M 0.0% ▲ Add 2 SEC ↗ ×2
10 D. E. Shaw & Co. ✦ 1.60M +31.4% $37.42M 0.0% ▲ Add 8 SEC ↗ ×2
11 Two Sigma Investments ✦ 1.58M +37.7% $36.90M 0.0% ▲ Add 8 SEC ↗
12 Nuveen, LLC 1.49M +0.8% $34.91M 0.0% ▲ Add 2 SEC ↗ ×3
13 UBS Group AG 1.15M +61.1% $26.95M 0.0% ▲ Add 2 SEC ↗ ×3
14 Bank of New York Mellon Corp 1.00M -8.2% $23.47M 0.0% ▼ Trim 2 SEC ↗ ×9
15 Ensign Peak Advisors, Inc 990.97K -38.0% $23.15M 0.0% ▼ Trim 2 SEC ↗
16 AQR Capital Management ✦ 980.31K +5.9% $22.90M 0.0% ▲ Add 8 SEC ↗ ×9
17 Morgan Stanley ✦ 893.93K -16.9% $20.88M 0.0% ▼ Trim 3 SEC ↗ ×7
18 Northern Trust Corp 755.72K +3.7% $17.65M 0.0% ▲ Add 2 SEC ↗ ×5
19 Charles Schwab Investment… 715.15K -1.7% $16.71M 0.0% ▼ Trim 2 SEC ↗
20 Citadel Advisors ✦ 630.94K +242.9% $14.74M 0.0% ▲ Add 8 SEC ↗ ×2
21 Renaissance Technologies ✦ 498.20K -8.6% $11.64M 0.0% ▼ Trim 6 SEC ↗
22 Jane Street Group, Llc 335.53K -55.2% $7.84M 0.0% ▼ Trim 2 SEC ↗ ×3
23 Healthcare Of Ontario Pension Plan… 331.67K +141.0% $7.75M 0.0% ▲ Add 2 SEC ↗
24 Aberdeen Group plc 286.97K -23.0% $6.70M 0.0% ▼ Trim 2 SEC ↗
25 Ameriprise Financial Inc 284.25K +0.6% $6.64M 0.0% ▲ Add 2 SEC ↗ ×3
26 Alliancebernstein L.P. 288.57K +204.1% $6.06M 0.0% ▲ Add 2 SEC ↗
27 Invesco Ltd. 252.76K +57.5% $5.90M 0.0% ▲ Add 2 SEC ↗ ×4
28 JPMorgan Chase ✦ 258.52K -31.7% $5.81M 0.0% ▼ Trim 3 SEC ↗ ×5
29 Canada Pension Plan Investment Board 229.60K 0.0% $5.36M 0.0% Held 2 SEC ↗
30 Sei Investments Co 217.60K +36.3% $5.08M 0.0% ▲ Add 2 SEC ↗ ×2
31 Millennium Management ✦ 199.52K +284.2% $4.66M 0.0% ▲ Add 8 SEC ↗
32 Susquehanna International Group, Llp 196.62K +983.1% $4.59M 0.0% ▲ Add 2 SEC ↗
33 Man Group plc 182.02K +307.8% $4.25M 0.0% ▲ Add 2 SEC ↗
34 Squarepoint Ops LLC 181.55K +816.3% $4.24M 0.0% ▲ Add 2 SEC ↗
35 Nomura Asset Management… 180.00K 0.0% $4.21M 0.0% Held 2 SEC ↗
36 Fidelity (FMR) ✦ 173.99K +23.8% $4.06M 0.0% ▲ Add 4 SEC ↗ ×2
37 Swiss National Bank 161.40K 0.0% $3.77M 0.0% Held 2 SEC ↗
38 UBS AM, a distinct business unit of… 149.80K +5.2% $3.50M 0.0% ▲ Add 2 SEC ↗ ×9
39 Wellington Management ✦ 123.59K +246.9% $2.89M 0.0% ▲ Add 8 SEC ↗ ×4
40 Rhumbline Advisers 114.76K -3.4% $2.68M 0.0% ▼ Trim 2 SEC ↗
41 T. Rowe Price ✦ 107.13K +13.0% $2.50M 0.0% ▲ Add 8 SEC ↗
42 California State Teachers… 103.01K +31.7% $2.41M 0.0% ▲ Add 2 SEC ↗
43 Russell Investments Group, Ltd. 101.49K +13.2% $2.37M 0.0% ▲ Add 2 SEC ↗ ×4
44 Hrt Financial Lp 88.90K New $2.08M 0.0% New 1 SEC ↗
45 Wells Fargo & Company/Mn 80.39K -50.0% $1.88M 0.0% ▼ Trim 2 SEC ↗ ×3
46 Deutsche Bank Ag\ 74.98K +12.6% $1.75M 0.0% ▲ Add 2 SEC ↗ ×2
47 Mariner, LLC 73.20K +33.1% $1.71M 0.0% ▲ Add 2 SEC ↗
48 Tudor Investment Corp Et Al 69.06K +45.6% $1.61M 0.0% ▲ Add 2 SEC ↗
49 Tidal Investments LLC 65.33K New $1.53M 0.0% New 1 SEC ↗
50 Legal & General Group Plc 59.06K -24.5% $1.38M 0.0% ▼ Trim 2 SEC ↗ ×3
51 Marshall Wace ✦ 54.27K New $1.27M 0.0% New 1 SEC ↗
52 Voya Investment Management Llc 53.08K -0.9% $1.24M 0.0% ▼ Trim 2 SEC ↗ ×2
53 Barclays Plc 50.32K -84.0% $1.18M 0.0% ▼ Trim 2 SEC ↗ ×3
54 MIRAE ASSET GLOBAL ETFS HOLDINGS… 49.23K +0.4% $1.14M 0.0% ▲ Add 2 SEC ↗ ×2
55 State Of Wisconsin Investment Board 45.85K +12.5% $1.07M 0.0% ▲ Add 2 SEC ↗
56 Envestnet Asset Management Inc 41.87K +68.8% $978,130 0.0% ▲ Add 2 SEC ↗
57 Assenagon Asset Management S.A. 41.74K 0.0% $974,976 0.0% Held 2 SEC ↗
58 Stifel Financial Corp 41.71K -45.0% $974,439 0.0% ▼ Trim 2 SEC ↗ ×2
59 Bnp Paribas Financial Markets 40.38K +183.8% $943,300 0.0% ▲ Add 2 SEC ↗
60 Manufacturers Life Insurance… 39.90K +56.7% $932,157 0.0% ▲ Add 2 SEC ↗
61 Janus Henderson Group Plc 39.34K 0.0% $920,046 0.0% Held 2 SEC ↗
62 Cerity Partners LLC 39.08K +35.4% $912,979 0.0% ▲ Add 2 SEC ↗ ×3
63 Victory Capital Management Inc 38.33K +294.9% $895,412 0.0% ▲ Add 2 SEC ↗
64 Cwm, Llc 37.05K +16.1% $865,395 0.0% ▲ Add 2 SEC ↗
65 HighTower Advisors, LLC 37.03K +95.5% $865,044 0.0% ▲ Add 2 SEC ↗
66 Qube Research & Technologies Ltd 36.05K -94.8% $842,058 0.0% ▼ Trim 2 SEC ↗
67 Creative Planning 31.90K +29.1% $745,231 0.0% ▲ Add 2 SEC ↗
68 New York State Common Retirement… 25.38K 0.0% $592,970 0.0% Held 2 SEC ↗
69 Zurcher Kantonalbank (Zurich… 24.74K +20.4% $577,903 0.0% ▲ Add 2 SEC ↗
70 Wealth Enhancement Advisory… 22.55K +11.6% $567,007 0.0% ▲ Add 2 SEC ↗
71 Hsbc Holdings Plc 23.46K -48.4% $555,556 0.0% ▼ Trim 2 SEC ↗
72 Mercer Global Advisors Inc /Adv 23.64K +32.8% $552,160 0.0% ▲ Add 2 SEC ↗
73 Royal Bank Of Canada 23.38K -7.7% $546,000 0.0% ▼ Trim 2 SEC ↗ ×2
74 Cetera Investment Advisers 22.76K -1.5% $531,650 0.0% ▼ Trim 2 SEC ↗
75 Quantinno Capital Management LP 22.58K +11.0% $527,375 0.0% ▲ Add 2 SEC ↗
76 Simplex Trading, Llc 20.82K -18.8% $486,472 0.0% ▼ Trim 2 SEC ↗
77 Citigroup Inc 20.33K -14.4% $474,955 0.0% ▼ Trim 2 SEC ↗ ×2
78 Allspring Global Investments… 19.56K +11.4% $467,189 0.0% ▲ Add 2 SEC ↗ ×2
79 State Board Of Administration Of… 18.97K 0.0% $443,092 0.0% Held 2 SEC ↗
80 ProShare Advisors LLC 16.42K -15.3% $383,618 0.0% ▼ Trim 2 SEC ↗
81 Bank Of Montreal /Can/ 15.24K New $356,053 0.0% New 1 SEC ↗ ×3
82 Raymond James Financial Inc 13.84K +24.4% $323,326 0.0% ▲ Add 2 SEC ↗ ×2
83 Prudential Financial Inc 13.41K New $313,258 0.0% New 1 SEC ↗
84 Pictet Asset Management Holding SA 12.36K 0.0% $288,636 0.0% Held 2 SEC ↗
85 Commonwealth Equity Services, Llc 9.78K New $228,340 0.0% New 1 SEC ↗
86 Captrust Financial Advisors 9.56K New $223,319 0.0% New 1 SEC ↗
87 Mirae Asset Global Investments Co.… 4.60K +8.9% $107,456 0.0% ▲ Add 2 SEC ↗
88 Us Bancorp \De\ 4.57K +1.1% $106,825 0.0% ▲ Add 2 SEC ↗ ×2
89 Rockefeller Capital Management L.P. 3.21K +579.9% $74,962 0.0% ▲ Add 2 SEC ↗ ×2
90 Osaic Holdings, Inc. 2.26K -13.5% $52,793 0.0% ▼ Trim 2 SEC ↗ ×2
91 Pnc Financial Services Group, Inc. 2.09K +0.3% $48,729 0.0% ▲ Add 2 SEC ↗ ×3
92 Fifth Third Bancorp 998 New $23,313 0.0% New 1 SEC ↗
93 Jones Financial Companies Lllp 589 +114.2% $13,836 0.0% ▲ Add 2 SEC ↗
94 Walleye Trading LLC 416 New $9,718 0.0% New 1 SEC ↗
95 Optiver Holding B.V. 343 +104.2% $8,012 0.0% ▲ Add 2 SEC ↗
96 Northwestern Mutual Wealth… 74 New $1,729 0.0% New 1 SEC ↗
97 Assetmark, Inc 40 0.0% $934 0.0% Held 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Exited

Dimensional Fund Advisors Lp $594,835 was 0.0%
Lazard Asset Management Llc $297,081 was 0.0%
Group One Trading Llc $247,750 was 0.0%
Daiwa Securities Group Inc. $5,000 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 244 holders, 99.11M shares, $2.29B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2026 · Methodology · Get this via the API