Vault-13

THE ONCOLOGY INSTITUTE INC STLN

COM · Common Stock · CUSIP 68236X100

80 institutional holders +36 vs Q1 2025
32,244,69032.2m shares reported held*
34.5% of all shares outstanding*
$66.1mreported value*
42 new 24 added 4 reduced 6 sold out net bought ≈ $31.2m (+15.2m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($31.5k this quarter). Holder counts are more reliable. Shares outstanding: 93.5m as of 2025-08-06, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $2.05.

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 39Q4 22: 41Q1 23: 40Q2 23: 39Q3 23: 37Q4 23: 46Q1 24: 48Q2 24: 40Q3 24: 35Q4 24: 32Q1 25: 44Q2 25: 8080Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202239
Q4 202241
Q1 202340
Q2 202339
Q3 202337
Q4 202346
Q1 202448
Q2 202440
Q3 202435
Q4 202432
Q1 202544
Q2 202580

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 23: 20 bought or addedQ3 23: 21 cut or sold outQ4 23: 25 bought or addedQ4 23: 12 cut or sold outQ4 23Q1 24: 21 bought or addedQ1 24: 17 cut or sold outQ2 24: 13 bought or addedQ2 24: 25 cut or sold outQ2 24Q3 24: 13 bought or addedQ3 24: 13 cut or sold outQ4 24: 14 bought or addedQ4 24: 11 cut or sold outQ4 24Q1 25: 23 bought or addedQ1 25: 10 cut or sold outQ2 25: 66 bought or addedQ2 25: 10 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20232021
Q4 20232512
Q1 20242117
Q2 20241325
Q3 20241313
Q4 20241411
Q1 20252310
Q2 20256610

Biggest buyers

BlackRock, Inc. Added +3,044,554+3.0m
VANGUARD GROUP INC Added +2,530,173+2.5m
MARSHALL WACE, LLP New +1,476,946+1.5m
WEXFORD CAPITAL LP New +1,118,679+1.1m
GEODE CAPITAL MANAGEMENT, LLC Added +893,696+893.7k
JOSH ARNOLD INVESTMENT CONSULTANT, LLC Added +748,800+748.8k
CenterBook Partners LP New +715,899+715.9k
TIFF ADVISORY SERVICES, LLC Added +655,324+655.3k
STATE STREET CORP Added +544,957+545.0k
UBS Group AG Added +410,296+410.3k

Biggest sellers

CINCINNATI INSURANCE CO Sold out -1,240,795-1.2m
FreeGulliver LLC Reduced -200,561-200.6k
QUATTRO FINANCIAL ADVISORS LLC Sold out -162,724-162.7k
Manatuck Hill Partners, LLC Reduced -100,200-100.2k
GSA CAPITAL PARTNERS LLP Sold out -28,529-28.5k
HRT FINANCIAL LP Sold out -16,658-16.7k
Jain Global LLC Sold out -15,900-15.9k
TWO SIGMA SECURITIES, LLC Sold out -14,713-14.7k
XTX Topco Ltd Reduced -6,255-6.3k
Tower Research Capital LLC (TRC) Reduced -1,894-1.9k

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 1 buyingQ4 23: 1 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24Q3 24: 0 buyingQ3 24: 0 sellingQ4 24: 1 buyingQ4 24: 0 sellingQ4 24Q1 25: 8 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 2 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20231$127.0k1$174.4k—
Q1 20240—0——
Q2 20240—0——
Q3 20240—0——
Q4 20241$50.0k0——
Q1 20258$1.6m0——
Q2 20250—2$13.4m—
DateInsiderTradeSharesPrice ValueTheir holding
2025-06-05 M33 Growth I L.P. +2 Director Sold 673,676 $3.05 $2.1m673.7k shares -5%
2025-06-05 M33 Growth I L.P. +2 Director Sold 76,324 $3.05 $232.8k76.3k shares -6%
2025-06-03 Hively Brad Director Sold 1,976,137 $2.87 $5.7m2.0m shares -77%
2025-05-20 M33 Growth I L.P. +2 Director Sold 1,796,468 $2.71 $4.9m1.8m shares -11%
2025-05-20 M33 Growth I L.P. +2 Director Sold 203,532 $2.71 $551.6k203.5k shares -13%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 4,280,8874.3m $8.8m $8.8m 0.00% Added +2.5m +2,530,173
2 TIFF ADVISORY SERVICES, LLC 1.76% of their portfolio RADNOR, PA 3,634,4653.6m $7.5m $7.5m 1.76% Added +655.3k +655,324
3 DEERFIELD MANAGEMENT COMPANY, L.P. 0.13% of their portfolio New York, NY 3,360,0523.4m $6.9m $6.9m 0.13% Unchanged
4 BlackRock, Inc. 0.00% of their portfolio New York, NY 3,306,9043.3m $6.8m $6.8m 0.00% Added +3.0m +3,044,554
5 JOSH ARNOLD INVESTMENT CONSULTANT, LLC 2.53% of their portfolio EDINA, MN 2,737,7002.7m $5.6m $5.6m 2.53% Added +748.8k +748,800
6 Balyasny Asset Management L.P. 0.01% of their portfolio Chicago, IL 2,518,3372.5m $5.2m $5.2m 0.01% Added +371.0k +371,005
7 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 1,476,9461.5m $3.0m $3.0m 0.00% New
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,279,4431.3m $2.6m $2.6m 0.00% Added +893.7k +893,696
9 WEXFORD CAPITAL LP 0.64% of their portfolio WEST PALM BEACH, FL 1,118,6791.1m $2.3m $2.3m 0.64% New
10 CenterBook Partners LP 0.08% of their portfolio GREENWICH, CT 715,899715.9k $1.5m $1.5m 0.08% New
11 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 646,257646.3k $1.3m $1.3m 0.00% Added +545.0k +544,957
12 BRC Group Holdings, Inc. 1.11% of their portfolio LOS ANGELES, CA 462,000462.0k $947.1k $947.1k 1.11% Added +312.0k +312,000
13 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 457,500457.5k $937.9k $937.9k 0.00% Added +209.9k +209,900
14 UBS Group AG 0.00% of their portfolio ZURICH, V8 420,373420.4k $861.8k $861.8k 0.00% Added +410.3k +410,296
15 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 411,357411.4k $843.3k $843.3k 0.00% Added +334.4k +334,364
16 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 405,009405.0k $830.3k $830.3k 0.00% New
17 Massar Capital Management, LP 0.62% of their portfolio STAMFORD, CT 400,000400.0k $820.0k $820.0k 0.62% Added +300.0k +300,000
18 FourWorld Capital Management LLC 0.58% of their portfolio NEW YORK, NY 391,650391.6k $802.9k $802.9k 0.58% Added +134.7k +134,650
19 FreeGulliver LLC 0.32% of their portfolio NEW ORLEANS, LA 343,800343.8k $704.8k $704.8k 0.32% Reduced -200.6k -200,561
20 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 278,165278.2k $570.2k $570.2k 0.00% New
21 Manatuck Hill Partners, LLC 0.19% of their portfolio WESTPORT, CT 249,800249.8k $512.1k $512.1k 0.19% Reduced -100.2k -100,200
22 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 248,646248.6k $509.7k $509.7k 0.00% Added +123.5k +123,505
23 Portolan Capital Management, LLC 0.03% of their portfolio BOSTON, MA 221,512221.5k $454.1k $454.1k 0.03% New
24 Informed Momentum Co LLC 0.06% of their portfolio SOLANA BEACH, CA 195,837195.8k $401.5k $401.5k 0.06% New
25 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 175,373175.4k $359.5k $359.5k 0.00% Added +144.9k +144,885
26 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 154,632154.6k $317.0k $317.0k 0.00% Added +39.5k +39,492
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 147,534147.5k $302.4k $302.4k 0.00% New
28 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 139,763139.8k $286.5k $286.5k 0.00% New
29 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 126,985127.0k $260.3k $260.3k 0.00% New
30 CITIZENS FINANCIAL GROUP INC/RI 0.00% of their portfolio PROVIDENCE, RI 119,000119.0k $243.9k $243.9k 0.00% Added +56.3k +56,300
31 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 113,676113.7k $233.0k $233.0k 0.00% Added +91.3k +91,288
32 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 103,670103.7k $212.5k $212.5k 0.00% New
33 Saba Capital Management, L.P. 0.01% of their portfolio NEW YORK, NY 94,26494.3k $193.2k $193.2k 0.01% Unchanged
34 Graham Capital Management, L.P. 0.01% of their portfolio ROWAYTON, CT 86,20686.2k $176.7k $176.7k 0.01% New
35 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 85,23185.2k $174.7k $174.7k 0.00% New
36 Lee Financial Co 0.02% of their portfolio Dallas, TX 81,36281.4k $166.8k $166.8k 0.02% Unchanged
37 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 81,36281.4k $166.8k $166.8k 0.00% Unchanged
38 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 79,75379.8k $163.9k $163.9k 0.00% New
39 Mount Lucas Management LP 0.08% of their portfolio Newtown, PA 77,00077.0k $157.8k $157.8k 0.08% New
40 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 76,67276.7k $157.2k $157.2k 0.00% New
41 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 76,01376.0k $155.8k $155.8k 0.00% New
42 Fielder Capital Group LLC 0.04% of their portfolio NASHVILLE, TN 70,19270.2k $143.9k $143.9k 0.04% Unchanged
43 WealthShield Partners, LLC 0.02% of their portfolio CARY, NC 70,15470.2k $143.8k $143.8k 0.02% Unchanged
44 KINGSWOOD WEALTH ADVISORS, LLC 0.01% of their portfolio SAN DIEGO, CA 64,40064.4k $132.0k $132.0k 0.01% New
45 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 64,28864.3k $132.0k $132.0k 0.00% New
46 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 49,44349.4k $101.4k $101.4k 0.00% Reduced -6.3k -6,255
47 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 44,70044.7k $91.6k $91.6k 0.00% New
48 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 39,94539.9k $81.9k $81.9k 0.00% New
49 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 38,70838.7k $79.4k $79.4k 0.00% New
50 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 38,00038.0k $77.9k $77.9k 0.00% New
51 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 34,69734.7k $71.1k $71.1k 0.00% New
52 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 32,26032.3k $66.1k $66.1k 0.00% New
53 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 30,50430.5k $62.5k $62.5k 0.00% New
54 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 29,76429.8k $62.0k $62.0k 0.00% New
55 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 28,61428.6k $58.7k $58.7k 0.00% New
56 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 27,93527.9k $57.3k $57.3k 0.00% Added +27.9k +27,881
57 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 25,80825.8k $52.9k $52.9k 0.00% Added +22.9k +22,875
58 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 20,96021.0k $43.0k $43.0k 0.00% Added +21.0k +20,957
59 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 20,89120.9k $42.8k $42.8k 0.00% New
60 State of Wyoming 0.00% of their portfolio CHEYENNE, WY 18,04818.0k $37.0k $37.0k 0.00% New
61 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 17,54517.5k $36.0k $36.0k 0.00% Added +4.5k +4,545
62 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 16,99117.0k $34.8k $34.8k 0.00% New
63 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 15,38615.4k $31.5k $31.5k 0.00% New
64 Hudson Bay Capital Management LP 0.00% of their portfolio STAMFORD, CT 15,20015.2k $31.2k $31.2k 0.00% Unchanged
65 ProShare Advisors LLC 0.00% of their portfolio BETHESDA, MD 12,10412.1k $24.8k $24.8k 0.00% New
66 AMG National Trust Bank 0.00% of their portfolio GREENWOOD VILLAGE, CO 10,00010.0k $20.5k $20.5k 0.00% Unchanged
67 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 7,6497.6k $15.7k $15.7k 0.00% Reduced -1.9k -1,894
68 Legal & General Group Plc 0.00% of their portfolio London, X0 6,5766.6k $13.5k $13.5k 0.00% New
69 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 6,0266.0k $12.4k $12.4k 0.00% New
70 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 5,0285.0k $10.3k $10.3k 0.00% Added +5.0k +5,023
71 FNY Investment Advisers, LLC 0.00% of their portfolio NEW YORK, NY 4,0004.0k $8.0k $8.0k 0.00% New
72 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 3,6833.7k $7.5k $7.5k 0.00% New
73 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 3,0003.0k $6.2k $6.2k 0.00% Added +2.8k +2,800
74 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 2,3312.3k $4.8k $4.8k 0.00% New
75 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 2,0162.0k $4.0k $4.0k 0.00% New
76 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 1,6351.6k $3.4k $3.4k 0.00% New
77 Capital Advisors, Ltd. LLC 0.00% of their portfolio SHAKER HEIGHTS, OH 1,2191.2k $2.0k $2.0k 0.00% Unchanged
78 FMR LLC 0.00% of their portfolio BOSTON, MA 519519 $1.1k $1.1k 0.00% New
79 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 143143 $293 $293 0.00% New
80 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged