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TNGX · Tango Therapeutics, Inc. · Holdings

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$25.25 +1.72 (+7.31%) At close · Oct 20
Russell 2000 member Rebalance outlook locked
Market Cap
$3.97B
Shares
168.61M
Volume · Oct 20 2.67M Avg daily vol (3M) 2.81M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP → See every holder of TNGX: 13F, 13D and 13G, insiders and funds →
Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 247
Total Value: $6,707,584,114
Total Shares: 214,910,950
Showing 1–100 of 255 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 248 13F filers
Top Holder
6.5%
Sep 2023 → Jun 2026 · range 6.5% – 21.8%
of institutional value
Top 5
28.8%
Sep 2023 → Jun 2026 · range 28.8% – 60.0%
of institutional value
Top 10
46.6%
Sep 2023 → Jun 2026 · range 46.6% – 79.8%
of institutional value
HHI
304
Sep 2023 → Jun 2026 · range 304 – 953
Broadly held

Who Holds TNGX

Last 8 quarters through Sep 30, 2026 (filing window open)

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026, the newest closed quarter: 247 filers, like-for-like change +17.9%; actively managed books +13.8%; index-like books +40.6%.

Holder type Share Filers Change
Registered adviser 54.9% 116 +15.1%
Exempt adviser 0.4% 6 -89.5%
Adviser 4.5% 12 +53.7%
Bank 4.9% 14 +48.5%
Insurer 0.1% 2 +184.2%
Broker-dealer 0.0% 2 new
Benefit plan 0.1% 5 +114.1%
Non-US 0.6% 7 -53.6%
Holding company 17.6% 9 +47.4%
Unknown 17.1% 74 +20.6%

The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.

How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Excluded 4 holders with no observed 2026-03-31 13F and 1 holder with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.

Conviction and Crowding

247 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
19
7.69% of filers hold it in their top 10
Mar 31, 2026: 14
Holders above 5%
9
median weight 0.006%
Mar 31, 2026: 6
Crowding
—
holders exceed shares outstanding: 13F filers report more shares than the cover-page count, which predates an issuance, is misstated, or misses shares lent and reported twice
Private-fund advisers
—
of shares outstanding
Institutional ownership
—
holders exceed shares outstanding: 13F filers report more shares than the cover-page count, which predates an issuance, is misstated, or misses shares lent and reported twice
Top 10 holders
46.7%
of 13F shares, Herfindahl 0.031
Active holders
+13.8%
like-for-like share change of active filers
5% stakes on record
10
3 13D, 7 13G (3 institutional, 4 passive, 0 exempt)
How long holders have held it value-weighted 8.2 quarters
Under 1 year 36.1% 1 to 3 years 38.4% 3 years or more 25.5% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net sellers of $117,989,593 (2 buying, 2 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$14.21
estimated per share
Mar 31, 2026: $8.99
Quarter-end price
$31.26
implied by 13F values
Estimated gain or loss
+120.0%
price against the estimated cost
Estimated at a loss
0.000%
of costed 13F value

Estimated cost covers 85.5% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies TNGX's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 SYRE Spyre Therapeutics, Inc. 23
2 AVTX Avalo Therapeutics, Inc. 18
3 ERAS Erasca, Inc. 18
4 LBRX Lb Pharmaceuticals Inc 13
5 ELVN Enliven Therapeutics, Inc. 19
6 AMLX Amylyx Pharmaceuticals, Inc. 15
7 PRAX Praxis Precision Medicines, Inc. 19
8 COGT Cogent Biosciences, Inc. 20
9 DNTH Dianthus Therapeutics, Inc. /DE/ 18
10 GPCR Structure Therapeutics Inc. 17

Shareholder Targets

13F filers that own its peers but not TNGX, quarter ended Jun 30, 2026

Found through its holder-overlap peers: SYRE, AVTX, ERAS, LBRX, ELVN, AMLX, PRAX, COGT, DNTH, GPCR, ORKA, IMVT, OLMA, RVMD, TYRA, MOBI, CGON, KOD, IDYA, CLDX. 814 filers in all.

# Filer In peers
1 Darwin Global Management, Ltd. Exempt adviser, Concentrated $1,990,753,064 1 held
2 Nextech Invest, Ltd. Exempt adviser, Concentrated $1,537,033,077 2 held
3 Capital World Investors Adviser, Diversified active $1,292,881,022 4 held
4 Venrock Adviser, LLC Registered adviser, Concentrated $1,192,921,482 6 held
5 Fairmount Funds Management LLC Registered adviser, Concentrated $907,111,371 4 held
6 BVF INC/IL Unknown, Concentrated $887,769,946 5 held
7 Avoro Capital Advisors LLC Registered adviser, Concentrated $825,138,789 3 held
8 Driehaus Capital Management LLC Registered adviser, Diversified active $789,746,171 7 held
9 ORBIMED ADVISORS LLC Registered adviser, Diversified active $730,287,526 11 held
10 RA CAPITAL MANAGEMENT, L.P. Registered adviser, Concentrated $627,735,320 4 held

Fund Ownership of TNGX by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 12.56% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 2.34% 3,949,673
Index ETFs 10.22% 17,235,767
Active ETFs 0.28% 467,277
Active funds 10.20% 17,195,239
Unclassified 0.00% 1,466
All registered funds 23.04% 38,849,422
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Holder type: Registered adviser 116 Exempt adviser 7 Adviser 12 Bank 14 Insurer 2 Broker-dealer 2 Benefit plan 5 Non-US 7 Holding company 9 Unknown 73
Showing 100 of 255
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
RTW INVESTMENTS, LP $434,533,381 6.48% 13,900,620
BlackRock, Inc. $388,825,752 5.80% 12,438,444
FMR LLC $385,540,174 5.75% 12,333,339
FARALLON CAPITAL MANAGEMENT LLC $383,779,020 5.72% 12,277,000
Boxer Capital Management, LLC $339,990,605 5.07% 10,876,219
GOLDMAN SACHS GROUP INC $311,994,180 4.65% 9,980,620
TCG Crossover Management, LLC $283,878,343 4.23% 9,081,201
TRV GP IV, LLC $199,269,183 2.97% 6,374,574
Paradigm Biocapital Advisors LP $198,736,168 2.96% 6,357,523
PRICE T ROWE ASSOCIATES INC /MD/ $198,464,331 2.96% 6,348,827
Siren, L.L.C. $193,166,918 2.88% 6,179,364
STATE STREET CORP $186,928,735 2.79% 5,979,806
VANGUARD CAPITAL MANAGEMENT LLC $186,226,698 2.78% 5,957,348
ADAGE CAPITAL PARTNERS GP, L.L.C. $175,056,000 2.61% 5,600,000
Jupiter Topco LLC $158,061,562 2.36% 5,056,352
Deep Track Capital, LP $131,292,000 1.96% 4,200,000
DEERFIELD MANAGEMENT COMPANY, L.P. $130,998,499 1.95% 4,190,611
Woodline Partners LP $125,057,724 1.86% 4,000,567
GEODE CAPITAL MANAGEMENT, LLC $116,999,645 1.74% 3,742,791
PERCEPTIVE ADVISORS LLC $105,565,020 1.57% 3,377,000
Seven Fleet Capital Management LP $100,911,781 1.50% 3,228,144
Logos Global Management LP $89,091,000 1.33% 2,850,000
Caligan Partners LP $78,153,219 1.17% 2,500,103
Holocene Advisors, LP $75,365,953 1.12% 2,410,939
Commodore Capital LP $70,335,000 1.05% 2,250,000
Balyasny Asset Management L.P. $63,032,007 0.94% 2,016,379
Jefferies Financial Group Inc. $62,849,292 0.94% 2,010,534
FRANKLIN RESOURCES INC $58,994,215 0.88% 1,887,211
Candriam S.C.A. $50,971,086 0.76% 1,630,553
VANGUARD PORTFOLIO MANAGEMENT LLC $49,550,569 0.74% 1,585,111
Polar Capital Holdings Plc $46,287,932 0.69% 1,480,740
JPMORGAN CHASE & CO $44,332,711 0.66% 1,418,193
Vivo Capital, LLC $43,131,578 0.64% 1,379,769
DV EQUITIES, LLC $41,217,904 0.61% 1,318,551
Cormorant Asset Management, LP $40,638,000 0.61% 1,300,000
NORTHERN TRUST CORP $38,510,223 0.57% 1,231,933
STEMPOINT CAPITAL LP $38,231,573 0.57% 1,223,019
FEDERATED HERMES, INC. $37,968,802 0.57% 1,214,613
VOYA INVESTMENT MANAGEMENT LLC $34,480,716 0.51% 1,103,030
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $33,512,564 0.50% 1,072,059
AMERICAN CENTURY COMPANIES INC $31,691,200 0.47% 1,013,794
Integral Health Asset Management, LLC $31,260,000 0.47% 1,000,000
VANGUARD FIDUCIARY TRUST CO $28,620,561 0.43% 915,565
Nuveen, LLC $27,826,713 0.41% 890,170
SAMLYN CAPITAL, LLC $23,959,944 0.36% 766,473
RENAISSANCE TECHNOLOGIES LLC $23,391,858 0.35% 748,300
Soleus Capital Management, L.P. $22,163,340 0.33% 709,000
ArrowMark Colorado Holdings LLC $22,144,115 0.33% 708,385
Bellevue Group AG $21,700,129 0.32% 694,182
Alyeska Investment Group, L.P. $21,604,067 0.32% 691,109
Connor, Clark & Lunn Investment Management Ltd. $19,883,547 0.30% 636,070
BANK OF AMERICA CORP /DE/ $18,782,069 0.28% 600,834
Pictet Asset Management Holding SA $18,201,510 0.27% 582,262
Fisher Asset Management, LLC $18,073,219 0.27% 578,158
LORD, ABBETT & CO. LLC $16,633,727 0.25% 532,109
JANE STREET GROUP, LLC $16,075,923 0.24% 514,265
MORGAN STANLEY $15,966,918 0.24% 510,778
FIRST TRUST ADVISORS LP $15,920,999 0.24% 509,309
Nantahala Capital Management, LLC $15,650,600 0.23% 500,659
BOOTHBAY FUND MANAGEMENT, LLC $15,645,536 0.23% 500,497
MILLENNIUM MANAGEMENT LLC $15,506,085 0.23% 496,036
DIMENSIONAL FUND ADVISORS LP $15,264,256 0.23% 488,300
Assenagon Asset Management S.A. $14,868,004 0.22% 595,912
Invesco Ltd. $14,464,656 0.22% 462,721
Rock Springs Capital Management LP $14,271,784 0.21% 456,551
BOONE CAPITAL MANAGEMENT LLC $14,242,212 0.21% 455,605
Longaeva Partners L.P. $12,969,836 0.19% 414,902
EVENTIDE ASSET MANAGEMENT, LLC $12,504,000 0.19% 400,000
ACUTA CAPITAL PARTNERS, LLC $12,221,065 0.18% 390,949
Bank of New York Mellon Corp $12,220,155 0.18% 390,920
UBS Group AG $11,994,272 0.18% 383,694
CONGRESS ASSET MANAGEMENT CO $11,937,427 0.18% 478,454
BESSEMER GROUP INC $11,072,479 0.17% 354,206
Mass General Brigham, Inc $11,072,041 0.17% 354,192
LMR Partners LLP $10,850,533 0.16% 347,106
BAKER BROS. ADVISORS LP $10,419,989 0.16% 333,333
PFM Health Sciences, LP $10,192,229 0.15% 326,047
AMERIPRISE FINANCIAL INC $9,576,344 0.14% 306,345
Point72 Asset Management, L.P. $9,326,077 0.14% 298,339
WELLINGTON MANAGEMENT GROUP LLP $9,287,531 0.14% 297,106
Handelsbanken Fonder AB $8,999,754 0.13% 287,900
Russell Investments Group, Ltd. $8,803,845 0.13% 281,633
SCHRODER INVESTMENT MANAGEMENT GROUP $8,706,253 0.13% 278,511
ALGERT GLOBAL LLC $8,489,278 0.13% 271,570
HighVista Strategies LLC $8,129,788 0.12% 260,070
SPHERA FUNDS MANAGEMENT LTD. $7,947,855 0.12% 254,250
T. Rowe Price Investment Management, Inc. $7,880,927 0.12% 252,109
TWO SIGMA INVESTMENTS, LP $7,558,136 0.11% 241,783
KVP Capital Advisors, LP $7,198,052 0.11% 230,264
TD Asset Management Inc $6,938,719 0.10% 221,968
Sio Capital Management, LLC $6,517,710 0.10% 208,500
Atle Fund Management AB $6,206,891 0.09% 198,557
TRV GP VI, LLC $6,069,879 0.09% 194,174
Walleye Capital LLC $6,010,360 0.09% 192,270
Swiss National Bank $5,858,124 0.09% 187,400
MANUFACTURERS LIFE INSURANCE COMPANY, THE $5,664,687 0.08% 181,212
CITADEL ADVISORS LLC $5,659,904 0.08% 181,059
VICTORY CAPITAL MANAGEMENT INC $5,525,142 0.08% 176,748
RHUMBLINE ADVISERS $5,474,657 0.08% 175,133
MARSHALL WACE, LLP $5,467,654 0.08% 174,909

Showing the top 100 of 255 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.

Key facts CIK 1819133 CUSIP 87583X109 13F (30d) 11 filings 11 filers Visit website Investor relations