| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | 3.3% | $348,646,141 | 1,265,687 | T. Rowe Price Associates, Inc. | 31 Dec 2024 |
As of 30 Sep 2025, 416 institutional investors reported holding 36,284,241 shares of Penumbra Inc - COMMON STOCK (PEN). This represents 95% of the company’s total 38,354,152 outstanding shares.
The largest institutional shareholders of Penumbra Inc - COMMON STOCK (PEN) together control 73% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 15% | 5,891,665 | +0.58% | 0.08% | $1,492,476,488 |
| BlackRock, Inc. | 11% | 4,170,892 | -1% | 0.02% | $1,056,570,361 |
| VANGUARD GROUP INC | 10% | 3,835,483 | -0.65% | 0.01% | $971,604,553 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 4.7% | 1,794,267 | +31% | 0.05% | $454,524,000 |
| STATE STREET CORP | 3% | 1,164,950 | -0.49% | 0.01% | $295,105,134 |
| CITADEL ADVISORS LLC | 2.5% | 970,998 | +343% | 0.2% | $245,973,213 |
| BAILLIE GIFFORD & CO | 2.4% | 908,546 | -1.5% | 0.17% | $230,152,873 |
| RTW INVESTMENTS, LP | 2.3% | 866,499 | +0.34% | 2.7% | $219,501,527 |
| JPMORGAN CHASE & CO | 2.2% | 843,697 | +12% | 0.01% | $213,725,330 |
| Clearbridge Investments, LLC | 2% | 757,508 | +8.4% | 0.14% | $191,891,909 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 747,772 | +5.9% | 0.01% | $189,460,235 |
| Champlain Investment Partners, LLC | 1.9% | 717,900 | -3.5% | 1.4% | $181,858,428 |
| MORGAN STANLEY | 1.8% | 693,453 | +39% | 0.01% | $175,665,985 |
| Invesco Ltd. | 1.6% | 631,094 | -0.38% | 0.03% | $159,868,733 |
| JANUS HENDERSON GROUP PLC | 1.2% | 468,848 | -12% | 0.05% | $118,769,663 |
| CONGRESS ASSET MANAGEMENT CO | 1.1% | 429,172 | -5.6% | 0.72% | $108,717,851 |
| Capital World Investors | 1.1% | 415,732 | -24% | 0.01% | $105,313,230 |
| Thrivent Financial for Lutherans | 0.96% | 367,062 | +14% | 0.18% | $92,984,000 |
| Allspring Global Investments Holdings, LLC | 0.95% | 365,097 | +13% | 0.15% | $91,139,164 |
| NORTHERN TRUST CORP | 0.83% | 319,113 | +0.25% | 0.01% | $80,837,705 |
| Holocene Advisors, LP | 0.81% | 310,219 | 0.18% | $78,584,677 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.79% | 303,374 | +4.5% | 0.01% | $76,850,702 |
| DIMENSIONAL FUND ADVISORS LP | 0.77% | 296,584 | +41% | 0.02% | $75,126,124 |
| GOLDMAN SACHS GROUP INC | 0.75% | 288,410 | +0.45% | 0.01% | $73,059,925 |
| Bank of New York Mellon Corp | 0.69% | 264,591 | -3.6% | 0.01% | $67,026,069 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 895,480 | $278,459,482 | -$15,189,904 | $310.91 | 42 |
| 2025 Q3 | 36,284,241 | $9,189,932,068 | +$117,815,595 | $253.32 | 416 |
| 2025 Q2 | 35,791,284 | $9,182,490,367 | +$262,212,375 | $256.63 | 446 |
| 2025 Q1 | 34,694,470 | $9,279,886,306 | -$21,040,391 | $267.41 | 416 |
| 2024 Q4 | 34,914,429 | $8,295,805,983 | -$22,960,301 | $237.48 | 367 |
| 2024 Q3 | 34,957,650 | $6,797,589,836 | -$55,501,169 | $194.31 | 331 |
| 2024 Q2 | 35,585,274 | $6,402,080,550 | +$313,523,500 | $179.97 | 341 |
| 2024 Q1 | 33,385,707 | $7,447,021,516 | -$233,271,531 | $223.18 | 341 |
| 2023 Q4 | 87,621 | $22,040,187 | -$5,881,508 | $251.54 | 4 |
| 2023 Q3 | 32,713,211 | $7,910,810,250 | -$334,418,845 | $241.91 | 306 |
| 2023 Q2 | 33,852,861 | $11,643,218,636 | -$418,599,961 | $344.06 | 356 |
| 2023 Q1 | 34,930,991 | $9,735,527,909 | +$152,454,635 | $278.69 | 302 |
| 2022 Q4 | 34,537,336 | $7,684,514,736 | +$572,426,358 | $222.46 | 284 |
| 2022 Q3 | 31,672,041 | $6,005,761,556 | +$33,234,189 | $189.60 | 241 |
| 2022 Q2 | 31,314,281 | $3,898,577,312 | +$125,112,011 | $124.52 | 238 |
| 2022 Q1 | 30,221,982 | $6,710,114,897 | -$57,234,050 | $222.13 | 262 |
| 2021 Q4 | 30,288,168 | $8,698,989,211 | +$159,390,769 | $287.32 | 265 |
| 2021 Q3 | 29,792,385 | $7,941,346,615 | -$8,959,885 | $266.50 | 274 |
| 2021 Q2 | 29,821,389 | $8,172,304,554 | -$280,806,974 | $274.06 | 283 |
| 2021 Q1 | 31,059,224 | $8,404,397,852 | -$790,903,414 | $270.58 | 269 |
| 2020 Q4 | 34,140,790 | $5,974,953,500 | +$301,709,903 | $175.00 | 252 |
| 2020 Q3 | 32,316,872 | $6,281,192,892 | +$314,196,505 | $194.38 | 264 |
| 2020 Q2 | 30,683,313 | $5,495,502,943 | +$177,687,441 | $178.82 | 245 |
| 2020 Q1 | 29,779,705 | $4,803,500,472 | -$41,357,820 | $161.33 | 237 |
| 2019 Q4 | 30,054,976 | $4,936,831,131 | -$553,614,553 | $164.27 | 242 |
| 2019 Q3 | 33,589,386 | $4,517,676,648 | +$456,711,359 | $134.49 | 216 |
| 2019 Q2 | 30,128,608 | $4,820,643,760 | +$81,024,473 | $160.00 | 201 |
| 2019 Q1 | 28,438,003 | $4,180,678,530 | +$146,753,504 | $147.01 | 193 |
| 2018 Q4 | 28,240,899 | $3,450,179,944 | +$350,762,862 | $122.20 | 183 |
| 2018 Q3 | 25,261,637 | $3,781,666,591 | -$35,645,329 | $149.70 | 195 |
| 2018 Q2 | 25,590,544 | $3,534,294,976 | +$9,177,196 | $138.15 | 198 |
| 2018 Q1 | 25,714,327 | $2,972,607,223 | +$88,087,103 | $115.65 | 166 |
| 2017 Q4 | 25,048,051 | $2,357,142,110 | +$13,714,646 | $94.10 | 148 |
| 2017 Q3 | 24,535,099 | $2,216,626,599 | +$42,559,903 | $90.30 | 133 |
| 2017 Q2 | 24,083,990 | $2,113,372,215 | +$105,952,953 | $87.75 | 130 |
| 2017 Q1 | 22,846,183 | $1,906,491,543 | +$432,104,199 | $83.45 | 126 |
| 2016 Q4 | 19,065,123 | $1,216,836,796 | +$59,532,494 | $63.80 | 117 |
| 2016 Q3 | 18,259,915 | $1,387,564,684 | +$165,472,798 | $75.99 | 130 |
| 2016 Q2 | 16,313,588 | $970,660,317 | +$319,269,420 | $59.50 | 105 |
| 2016 Q1 | 11,008,075 | $506,360,554 | +$65,974,158 | $46.00 | 75 |
| 2015 Q4 | 9,545,505 | $507,118,183 | +$54,437,774 | $53.81 | 54 |
| 2015 Q3 | 8,608,613 | $333,556,000 | +$328,520,947 | $40.10 | 51 |