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ANAB — ANAPTYSBIO INC

Reported value held$626.88M
Funds holding (latest)40
SectorHealth Care
Funds holding (Q2 2026)32
Institutional value$541.87M · 8.06M sh
New / Add / Cut / Exit2 / 19 / 11 / 3
Top-5 / Top-10 concentration55.2% / 78.1%
Institutional holdings change Accumulating +0.2% (+15.23K sh)
Institutional value change Up +21.9%

As of Q2 2026, 32 SEC-registered investment managers reported holding ANAB (ANAPTYSBIO INC) in their latest 13F filings, with a combined reported value of $541.87M across 8.06M shares. That is +0.2% by share count (+15.23K shares) versus the previous quarter, while reported value moved +21.9%. Ownership is concentrated: the five largest holders account for 55.2% of reported value and the top ten for 78.1%.

Compared with the prior quarter, 2 opened new positions, 19 added to existing stakes, 11 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

ANAB is classified in the Health Care sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 1.84M $124.47M 0.00% Add
Vanguard Group history Q4 2025 1.54M $74.85M 0.00% Add
Millennium Management history Q2 2026 822.32K $55.51M 0.02% Add
Geode Capital Management history Q2 2026 637.87K $43.06M 0.00% Add
Goldman Sachs Group history Q2 2026 584.07K $39.42M 0.00% Add
D. E. Shaw & Co history Q2 2026 539.67K $36.43M 0.02% Reduce
Arrowstreet Capital history Q2 2026 488.65K $32.98M 0.01% Reduce
Bank of America Corp history Q2 2026 417.81K $28.20M 0.00% Reduce
Citadel Advisors history Q2 2026 413.67K $27.92M 0.00% Add
Two Sigma Investments history Q2 2026 263.00K $17.75M 0.01% Reduce
Morgan Stanley history Q2 2026 257.09K $17.35M 0.00% Reduce
Fidelity Management & Research (FMR) history Q2 2026 240.51K $16.23M 0.00% Reduce
Northern Trust Corp history Q2 2026 202.77K $13.69M 0.00% Add
Charles Schwab Investment Management history Q2 2026 202.31K $13.66M 0.00% Add
Invesco Ltd history Q2 2026 202.06K $13.64M 0.00% Add
UBS Group AG history Q2 2026 146.83K $9.91M 0.00% Add
Franklin Resources history Q2 2026 106.95K $7.22M 0.00% Add
Citigroup Inc history Q2 2026 99.11K $6.69M 0.00% Add
Farallon Capital Management history Q3 2024 183.88K $6.16M 0.03% New
Prudential Financial history Q2 2026 85.93K $5.80M 0.01% Add

View all 40 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 2.18M 2.55M 2.18M 1.79M 1.72M 1.73M 1.68M 1.84M
Millennium Management 132.71K 18.05K — 30.29K 28.05K 322.80K 260.11K 397.19K 446.22K 407.03K 647.12K 373.76K 331.57K 146.52K 17.81K 203.54K 1.53M 813.57K 475.57K 822.32K
Geode Capital Management 358.93K 377.86K 355.84K 371.22K 368.60K 391.76K 398.41K 396.02K 399.59K 420.11K 421.70K 452.06K 465.40K 486.60K 491.17K 463.36K 473.63K 469.49K 520.24K 637.87K
Goldman Sachs Group 347.62K 317.24K 229.83K 112.86K 96.09K 107.58K 185.60K 132.04K 178.40K 139.50K 150.43K 194.54K 350.36K 419.11K 280.58K 279.83K 329.82K 398.91K 332.74K 584.07K
D. E. Shaw & Co 253.79K 212.68K 169.56K 131.15K 176.50K 174.20K 207.05K 205.80K 145.89K 160.33K 186.80K 171.45K 224.14K 197.11K 129.65K 112.35K 349.36K 670.29K 579.30K 539.67K
Arrowstreet Capital — 72.50K 9.86K — — — — — — — — — — — — 150.81K 370.46K 559.74K 492.12K 488.65K
Bank of America Corp 14.24K 9.66K 34.21K 46.48K 81.05K 78.38K 114.76K 120.31K 60.80K 25.41K 54.52K 104.00K 166.24K 17.95K 1.14M 1.08M 127.24K 130.77K 501.09K 417.81K
Citadel Advisors 9.70K 7.80K 18.32K 179.47K 471.48K 282.94K 80.92K 156.23K 191.97K 118.57K 330.14K 91.38K 273.25K 398.33K 411.77K 182.39K 66.48K 165.08K 241.15K 413.67K
Two Sigma Investments 144.99K 86.53K 43.21K 16.76K — 26.64K 70.94K 146.14K 107.62K 87.53K 119.97K 140.50K 211.58K 352.03K 265.86K 231.37K 256.42K 256.63K 465.08K 263.00K
Morgan Stanley 71.95K 72.73K 104.99K 146.66K 107.57K 95.92K 98.63K 71.62K 80.99K 602.03K 636.11K 91.77K 177.38K 215.92K 504.64K 1.87M 1.56M 1.03M 993.90K 257.09K
Fidelity Management & Research (FMR) 398 21.96K 178.92K 130.89K 104.08K 290.92K 292.12K 293.57K 267.62K 202.71K 140.75K 2.87M 3.31M 3.03M 1.91M 72.12K 53.16K 27.11K 472.70K 240.51K
Northern Trust Corp 287.85K 281.97K 270.33K 338.08K 336.10K 339.67K 332.56K 202.57K 200.18K 207.15K 201.15K 194.12K 199.91K 219.99K 212.89K 196.26K 195.56K 181.88K 183.52K 202.77K
Charles Schwab Investment Management 135.64K 136.31K 142.13K 142.40K 145.49K 148.83K 149.39K 139.61K 143.01K 144.82K 146.27K 155.28K 160.32K 166.05K 153.36K 157.13K 206.44K 198.66K 192.69K 202.31K
Invesco Ltd 21.25K 19.21K 16.70K 18.95K 18.31K 18.30K — 10.07K 10.02K 9.72K 20.07K 18.91K 51.29K 23.29K 21.34K 83.17K 42.38K 124.01K 121.10K 202.06K
UBS Group AG 27.96K 26.57K 47.94K 22.12K 10.69K 51.79K 3.50K 35.20K 17.59K 18.74K 64.17K 34.58K 36.64K 36.61K 490.27K 1.27M 75.26K 70.03K 79.67K 146.83K
Franklin Resources 14.90K 14.82K 14.83K 10.04K 10.22K — — — 330.09K 405.12K 465.37K 465.37K 354.37K 354.37K 354.39K 354.51K 47.33K — 65.82K 106.95K
Citigroup Inc 22.55K 38.02K 9.60K 41.34K 71.12K 34.24K 64.72K 93.79K 95.13K 63.62K 139.04K 58.56K 15.40K 125.48K 1.09M 1.05M 70.53K 73.45K 73.41K 99.11K
Prudential Financial — — — — — — — — — — — — — — — — — — 64.05K 85.93K
JPMorgan Chase & Co 245.27K 236.34K 234.36K 231.44K 224.73K 214.08K 188.47K 27.51K 28.41K 17.50K 13.37K 11.58K 33.74K 114.94K 14.30K 247.62K 14.85K 10.92K — 80.24K
Renaissance Technologies 68.70K 34.60K 58.30K 29.60K — — 71.60K 58.00K 92.70K 95.60K 100.20K 152.70K 200.40K 193.20K 338.70K 263.09K 123.30K 76.30K 90.90K 58.30K

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